:root {
  --bg-primary: #070b14;
  --bg-secondary: #0d1320;
  --bg-card: #111827;
  --bg-card-hover: #182032;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #6366f1;
  --accent-light: #818cf8;
  --accent-glow: rgba(99, 102, 241, 0.25);
  --gradient-1: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a78bfa 100%);
  --gradient-2: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
  --gradient-3: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  --gradient-4: linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%);
  --border: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.04);
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.5);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
a { color: inherit; text-decoration: none; }
.section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag {
  display: inline-block;
  font-size: 13px; font-weight: 600; color: var(--accent-light);
  text-transform: uppercase; letter-spacing: 2px;
  margin-bottom: 16px;
  background: rgba(99, 102, 241, 0.1);
  padding: 6px 16px; border-radius: 20px;
  border: 1px solid rgba(99, 102, 241, 0.15);
}
.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800; margin-bottom: 16px;
  letter-spacing: -0.01em; line-height: 1.25;
}
.sec-label {
  text-align: center;
  font-size: 12px; font-weight: 700;
  letter-spacing: 4px;
  color: var(--accent-light);
  margin-bottom: 12px;
  text-transform: uppercase;
}
.section-desc {
  font-size: 17px; color: var(--text-secondary);
  max-width: 650px; margin: 0 auto; line-height: 1.8;
}

/* ===== Navbar (保持) ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(7, 11, 20, 0.88);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.navbar .container {
  display: flex; align-items: center; justify-content: space-between;
}
.logo { display: flex; align-items: center; }
.logo-img { height: 30px; width: auto; display: block; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-link {
  padding: 8px 18px; border-radius: 8px;
  font-size: 14px; font-weight: 500; color: var(--text-secondary);
  transition: all 0.25s ease; position: relative;
}
.nav-link:hover { color: var(--text-primary); background: rgba(255,255,255,0.06); }
.nav-link::after {
  content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%);
  width: 0; height: 2px; background: var(--accent-light);
  border-radius: 1px; transition: width 0.25s ease;
}
.nav-link:hover::after { width: 60%; }
.btn-nav {
  background: var(--gradient-2);
  color: #fff; padding: 10px 24px;
  border-radius: 8px; font-size: 14px; font-weight: 600;
  transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55), box-shadow 0.3s ease;
}
.btn-nav:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 0 8px rgba(99, 102, 241, 0.5), 0 0 20px rgba(99, 102, 241, 0.3), 0 0 40px rgba(99, 102, 241, 0.15);
}

/* ===== Buttons ===== */
.btn-primary {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--gradient-2);
  color: #fff; padding: 16px 36px;
  border-radius: var(--radius);
  font-size: 16px; font-weight: 600;
  transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55), box-shadow 0.3s ease;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 8px rgba(99, 102, 241, 0.5), 0 0 20px rgba(99, 102, 241, 0.3), 0 0 40px rgba(99, 102, 241, 0.15);
}
.btn-outline {
  display: inline-flex; align-items: center;
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--text-primary); padding: 16px 36px;
  border-radius: var(--radius);
  font-size: 16px; font-weight: 500;
  transition: border-color 0.2s, background 0.2s;
}
.btn-outline:hover {
  border-color: rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.04);
}
.btn-ghost {
  display: inline-flex; align-items: center;
  color: var(--text-secondary); padding: 16px 36px;
  border-radius: var(--radius);
  font-size: 16px; font-weight: 500;
  transition: color 0.2s;
}
.btn-ghost:hover { color: var(--text-primary); }
.btn-large { padding: 18px 44px; font-size: 17px; }

/* ===== Hero (完全保持不变) ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 140px 0 80px;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
}
.hero-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center;
  position: relative; z-index: 1;
}
.hero-content { max-width: 700px; }
.hero-visual { display: flex; align-items: center; justify-content: center; }
.hero-illustration {
  width: 100%; max-width: 500px; height: auto;
  filter: drop-shadow(0 0 60px rgba(99, 102, 241, 0.08));
}

/* Hero animations (保持不变) */
.orbit-ring { transform-origin: 240px 240px; }
.orbit-1 { animation: orbitSpin1 20s linear infinite; }
.orbit-2 { animation: orbitSpin2 25s linear infinite; }
.orbit-3 { animation: orbitSpin3 18s linear infinite; }
.orbit-4 { animation: orbitSpin4 22s linear infinite; }
@keyframes orbitSpin1 { 100% { transform: rotate(360deg); } }
@keyframes orbitSpin2 { 100% { transform: rotate(-360deg); } }
@keyframes orbitSpin3 { 100% { transform: rotate(360deg); } }
@keyframes orbitSpin4 { 100% { transform: rotate(-360deg); } }
.orbit-dot { transform-origin: 240px 240px; }
.od1 { animation: dotCruise1 5s linear infinite; }
.od2 { animation: dotCruise2 7s linear infinite; }
@keyframes dotCruise1 { 100% { transform: rotate(360deg); } }
@keyframes dotCruise2 { 100% { transform: rotate(-360deg); } }

.pulse-node { animation: nodePulse 2s ease-in-out infinite; }
.pn1 { animation-delay: 0s; }
.pn2 { animation-delay: 0.5s; }
.pn3 { animation-delay: 1s; }
.pn4 { animation-delay: 0.3s; }
.pn5 { animation-delay: 0.8s; }
@keyframes nodePulse { 0%, 100% { opacity: 0.4; } 50% { opacity: 1; } }

@keyframes brandBreathe { 0%, 100% { opacity: 0.9; } 50% { opacity: 1; } }
.hero-illustration [filter="url(#brandGlow)"] { animation: brandBreathe 3s ease-in-out infinite; }

.nexa-glow { animation: neonBreathe 1.8s ease-in-out infinite; }
@keyframes neonBreathe {
  0%   { opacity: 0.15; } 15%  { opacity: 0.9; } 30%  { opacity: 0.4; }
  45%  { opacity: 1; } 60%  { opacity: 0.25; } 75%  { opacity: 0.95; }
  90%  { opacity: 0.5; } 100% { opacity: 0.15; }
}

.flow-dot { animation: flowIn 3s ease-in-out infinite; }
.fd1 { animation-delay: 0s; }
.fd2 { animation-delay: 1.5s; }
.fd3 { animation-delay: 0.75s; }
.fd4 { animation-delay: 2.25s; }
@keyframes flowIn {
  0% { opacity: 0; transform: scale(0); } 30% { opacity: 0.9; transform: scale(1); }
  70% { opacity: 0.8; } 100% { opacity: 0; transform: scale(0.3); }
}
.flow-line { animation: flowPulse 3s ease-in-out infinite; }
.fl1 { animation-delay: 0s; }
.fl2 { animation-delay: 1.5s; }
.fl3 { animation-delay: 0.75s; }
.fl4 { animation-delay: 2.25s; }
@keyframes flowPulse { 0%, 100% { opacity: 0.15; } 50% { opacity: 0.5; } }

.wave-bar { animation: wavePulse var(--w, 1s) ease-in-out infinite alternate; transform-origin: center bottom; }
@keyframes wavePulse { 0% { transform: scaleY(0.4); } 100% { transform: scaleY(1); } }

.particles { position: absolute; inset: 0; pointer-events: none; }
.particle {
  position: absolute; width: 4px; height: 4px;
  border-radius: 50%; background: var(--accent-light); opacity: 0;
  animation: particleFloat 8s ease-in-out infinite;
}
.p1 { left: 10%; top: 20%; animation-delay: 0s; }
.p2 { left: 25%; top: 60%; animation-delay: 1.5s; width: 3px; height: 3px; }
.p3 { left: 40%; top: 30%; animation-delay: 3s; }
.p4 { left: 55%; top: 70%; animation-delay: 4.5s; width: 2px; height: 2px; }
.p5 { left: 70%; top: 15%; animation-delay: 2s; }
.p6 { left: 80%; top: 50%; animation-delay: 5s; width: 3px; height: 3px; background: #06b6d4; }
.p7 { left: 90%; top: 80%; animation-delay: 6s; width: 2px; height: 2px; background: #a78bfa; }
.p8 { left: 15%; top: 85%; animation-delay: 3.5s; background: #06b6d4; }
@keyframes particleFloat {
  0% { opacity: 0; transform: translateY(0) scale(0); }
  10% { opacity: 0.6; transform: translateY(0) scale(1); }
  90% { opacity: 0.6; transform: translateY(-120px) scale(1); }
  100% { opacity: 0; transform: translateY(-140px) scale(0); }
}
.bubble-float { animation: floatUp 6s ease-in-out infinite; animation-delay: var(--t, 0s); }
@keyframes floatUp {
  0%, 100% { transform: translateY(0); opacity: 0.35; }
  50% { transform: translateY(-8px); opacity: 0.55; }
}
.hero-glow { position: absolute; border-radius: 50%; filter: blur(140px); opacity: 0.12; }
.hero-glow-1 { width: 700px; height: 700px; background: var(--accent); top: -300px; right: -150px; }
.hero-glow-2 { width: 500px; height: 500px; background: #06b6d4; bottom: -150px; left: -100px; }
.hero-glow-3 { width: 400px; height: 400px; background: #8b5cf6; top: 40%; left: 40%; opacity: 0.06; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.2);
  padding: 10px 20px; border-radius: 20px;
  font-size: 14px; color: var(--accent-light); margin-bottom: 32px;
  transition: box-shadow 0.4s ease, border-color 0.3s ease;
}
.hero-badge:hover {
  border-color: rgba(129, 140, 248, 0.5);
  box-shadow: 0 0 6px rgba(99, 102, 241, 0.3), 0 0 16px rgba(99, 102, 241, 0.15);
}
.badge-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent-light); animation: pulse 2s infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }
.hero-title {
  font-size: clamp(40px, 7vw, 68px);
  font-weight: 800; line-height: 1.12;
  margin-bottom: 28px; letter-spacing: -0.02em;
}
.gradient-text {
  background: var(--gradient-1);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 18px; color: var(--text-secondary);
  line-height: 1.9; margin-bottom: 40px; max-width: 620px;
}
.hero-actions { display: flex; gap: 16px; margin-bottom: 64px; align-items: center; }
.hero-stats { display: flex; gap: 40px; align-items: center; }
.stat-item { display: flex; flex-direction: column; }
.stat-value {
  font-size: 36px; font-weight: 800;
  background: var(--gradient-3);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-plus { font-size: 22px; }
.stat-label { font-size: 14px; color: var(--text-muted); margin-top: 6px; }
.stat-divider { width: 1px; height: 40px; background: rgba(255,255,255,0.1); }

/* ==========================================
   板块2: 信任背书 (Trust)
   ========================================== */
.trust-new { padding: 100px 0; background: var(--bg-secondary); }

/* Glass morphism trust cards */
.trust-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}
.trust-glass-card {
  text-align: center;
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-xl);
  padding: 40px 20px;
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
  position: relative;
  overflow: hidden;
}
.trust-glass-card::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(99, 102, 241, 0.08), transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
}
.trust-glass-card:hover {
  transform: translateY(-6px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.1), 0 8px 32px rgba(0, 0, 0, 0.3);
}
.trust-glass-card:hover::before { opacity: 1; }
.trust-glass-num {
  font-size: clamp(44px, 6vw, 56px);
  font-weight: 800;
  background: var(--gradient-1);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 10px;
  line-height: 1.1;
}
.trust-glass-label {
  font-size: 14px; color: var(--text-muted);
  font-weight: 500;
}

/* Industry logos */
.trust-industries { margin-bottom: 40px; }
.industry-logos {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
}
.industry-logo-item {
  display: flex; flex-direction: column;
  align-items: center; gap: 8px;
  cursor: default;
  transition: transform 0.3s ease;
}
.industry-logo-item:hover { transform: translateY(-4px); }
.industry-logo-item svg {
  width: 64px; height: 64px;
  transition: filter 0.3s ease;
}
.industry-logo-item:hover svg {
  filter: drop-shadow(0 0 8px rgba(99, 102, 241, 0.3));
}
.industry-logo-item span {
  font-size: 12px; color: var(--text-muted);
  transition: color 0.3s ease;
}
.industry-logo-item:hover span { color: var(--accent-light); }

/* Cert badges */
.cert-badges {
  display: flex; justify-content: center; gap: 16px; flex-wrap: wrap;
}
.cert-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px;
  background: rgba(99, 102, 241, 0.06);
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: 20px;
  font-size: 13px; color: var(--text-secondary);
  transition: all 0.3s ease;
}
.cert-badge:hover {
  background: rgba(99, 102, 241, 0.15);
  border-color: rgba(99, 102, 241, 0.3);
  transform: translateY(-2px);
  color: var(--accent-light);
}

/* ==========================================
   板块3: 差异化定位 (Platform VS)
   ========================================== */
.platform-vs { padding: 100px 0; }
.platform-vs-row {
  display: flex;
  align-items: stretch;
  gap: 0;
  max-width: 1100px;
  margin: 0 auto;
}
.platform-vs-panel {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
}
.vs-tools { border-color: rgba(239, 68, 68, 0.12); background: linear-gradient(135deg, rgba(239,68,68,0.03), var(--bg-card)); transition: all 0.5s ease; }
.vs-tools:hover {
  border-color: rgba(239, 68, 68, 0.35);
  background: linear-gradient(135deg, rgba(239,68,68,0.08), var(--bg-card));
  box-shadow: 0 0 30px rgba(239, 68, 68, 0.08), inset 0 0 60px rgba(239, 68, 68, 0.03);
}
.vs-tools:hover .vs-compare-item { filter: grayscale(0.3); opacity: 0.85; }

.vs-nexai { border-color: rgba(99,102,241,0.3); background: linear-gradient(135deg, rgba(99,102,241,0.05), var(--bg-card)); transition: all 0.5s ease; }
.vs-nexai:hover {
  border-color: rgba(129, 140, 248, 0.6);
  background: linear-gradient(135deg, rgba(99,102,241,0.12), var(--bg-card));
  box-shadow: 0 0 8px rgba(99, 102, 241, 0.5), 0 0 30px rgba(99, 102, 241, 0.2), 0 0 60px rgba(99, 102, 241, 0.1);
}
.vs-nexai:hover .vs-compare-item { filter: brightness(1.1); }
.vs-nexai:hover .vs-bar-good .vs-bar-inner { filter: drop-shadow(0 0 6px rgba(99, 102, 241, 0.6)); }
.platform-vs-panel::after {
  content: ''; position: absolute; top: 0; right: -80px; width: 200px; height: 200px;
  pointer-events: none; border-radius: 50%;
}
.vs-tools::after { background: radial-gradient(circle, rgba(239,68,68,0.04), transparent 70%); }
.vs-nexai::after { background: radial-gradient(circle, rgba(99,102,241,0.08), transparent 70%); }

.vs-panel-header {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 28px;
}
.vs-panel-icon {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 12px;
}
.vs-icon-fail { background: rgba(239,68,68,0.12); color: #ef4444; }
.vs-icon-success { background: rgba(99,102,241,0.12); color: #818cf8; }
.vs-panel-title { font-size: 20px; font-weight: 700; margin-bottom: 2px; }
.vs-title-fail { color: #f87171; }
.vs-title-success { color: var(--accent-light); }
.vs-panel-sub { font-size: 12px; color: var(--text-muted); letter-spacing: 1px; }

/* VS Center */
.platform-vs-center {
  display: flex; align-items: center; justify-content: center;
  width: 120px; min-width: 120px;
  position: relative; z-index: 2;
}
.vs-battle {
  position: relative;
  display: flex; align-items: center; justify-content: center;
}
.vs-text {
  font-size: 36px; font-weight: 900;
  background: var(--gradient-1);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative; z-index: 2;
  animation: vsPulse 2.5s ease-in-out infinite;
}
.vs-pulse-ring {
  position: absolute; width: 80px; height: 80px;
  border-radius: 50%;
  border: 1px solid rgba(99,102,241,0.3);
  animation: vsRingPulse 2.5s ease-in-out infinite;
}
@keyframes vsPulse {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  50% { transform: scale(1.08); opacity: 1; }
}
@keyframes vsRingPulse {
  0%, 100% { transform: scale(1); opacity: 0.3; }
  50% { transform: scale(1.3); opacity: 0.05; }
}

/* Compare list inside panels */
.vs-compare-list {
  display: flex; flex-direction: column; gap: 12px;
  margin-bottom: 20px;
}
.vs-compare-item { display: flex; align-items: center; gap: 10px; }
.vs-compare-label {
  font-size: 13px; color: var(--text-secondary);
  min-width: 70px; font-weight: 500;
}
.vs-compare-bar-wrap {
  flex: 1; display: flex; align-items: center; gap: 8px;
}
.vs-compare-bar {
  flex: 1; height: 6px;
  border-radius: 3px;
  overflow: hidden;
}
.vs-bar-bad { background: rgba(239,68,68,0.1); }
.vs-bar-good { background: rgba(99,102,241,0.1); }
.vs-bar-inner {
  height: 100%; border-radius: 3px;
  transition: width 1.2s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.vs-bar-bad .vs-bar-inner { background: linear-gradient(90deg, #f87171, #ef4444); width: 0; }
.vs-bar-good .vs-bar-inner { background: var(--gradient-2); width: 0; }
.vs-bar-pct {
  font-size: 12px; color: var(--text-muted);
  min-width: 56px; text-align: right;
}
.vs-pct-accent { color: var(--accent-light) !important; font-weight: 600; }

/* Tags */
.vs-tag-list { display: flex; flex-wrap: wrap; gap: 8px; padding-top: 16px; border-top: 1px solid var(--border); }
.vs-tag-fail {
  padding: 4px 10px; border-radius: 5px;
  font-size: 11px; color: #f87171;
  background: rgba(239,68,68,0.08);
  border: 1px solid rgba(239,68,68,0.15);
}
.vs-tag-good {
  padding: 4px 10px; border-radius: 5px;
  font-size: 11px; color: #34d399;
  background: rgba(52,211,153,0.08);
  border: 1px solid rgba(52,211,153,0.15);
}

/* ==========================================
   板块4: 产品矩阵 (Products Tabs)
   ========================================== */
.products-tabs { padding: 100px 0; background: var(--bg-secondary); }
.product-tabs-nav {
  display: flex; justify-content: center; gap: 4px;
  margin-bottom: 48px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 4px;
  max-width: 560px;
  margin-left: auto; margin-right: auto;
}
.product-tab {
  flex: 1;
  padding: 14px 24px;
  border: none;
  border-radius: 10px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 14px; font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}
.product-tab:hover { color: var(--text-primary); }
.product-tab.active {
  background: var(--gradient-2);
  color: #fff;
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.3);
}
.product-tab-content {
  display: none;
  animation: tabFadeIn 0.4s ease;
}
.product-tab-content.active { display: block; }
@keyframes tabFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Skill Cards (Product) */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.skill-card-new {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  position: relative;
  transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1.2);
}
.skill-card-new:hover {
  transform: translateY(-4px);
  border-color: rgba(129, 140, 248, 0.6);
  box-shadow: 0 0 8px rgba(99, 102, 241, 0.35), 0 0 20px rgba(99, 102, 241, 0.2), 0 12px 32px rgba(0, 0, 0, 0.3);
}
.skill-card-kpi {
  position: absolute; top: 16px; right: 16px;
  font-size: 11px; font-weight: 700; color: #34d399;
  background: rgba(52, 211, 153, 0.1);
  border: 1px solid rgba(52, 211, 153, 0.2);
  padding: 3px 8px;
  border-radius: 4px;
  white-space: nowrap;
}
.skill-icon-wrap {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 12px;
  margin-bottom: 16px;
  transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55), background 0.3s ease;
}
.skill-card-new:hover .skill-icon-wrap {
  transform: scale(1.15) rotate(-5deg);
  background: rgba(99, 102, 241, 0.2);
}
.skill-svg { width: 22px; height: 22px; color: var(--accent-light); }
.skill-card-new h4 { font-size: 16px; margin-bottom: 10px; }
.skill-card-new p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

.solution-tags {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-top: 16px;
}
.solution-tags span {
  padding: 5px 12px;
  background: rgba(99, 102, 241, 0.06);
  border: 1px solid rgba(99, 102, 241, 0.1);
  border-radius: 6px;
  font-size: 12px; color: var(--accent-light);
}

/* ==========================================
   板块5: 典型场景 (Scenes)
   ========================================== */
.scenes { padding: 100px 0; }
.scenes-list { display: flex; flex-direction: column; gap: 48px; max-width: 1000px; margin: 0 auto; }

.scene-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
  transition: all 0.35s ease;
}
.scene-card:hover {
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.06), 0 8px 32px rgba(0,0,0,0.2);
}
.scene-card.scene-right .scene-visual { order: -1; }

.scene-icon {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 14px;
  color: var(--accent-light);
  margin-bottom: 20px;
  transition: transform 0.3s ease, background 0.3s ease;
}
.scene-card:hover .scene-icon {
  transform: scale(1.1);
  background: rgba(99, 102, 241, 0.18);
}

.scene-info h3 {
  font-size: 22px; margin-bottom: 14px;
  color: var(--text-primary);
}
.scene-info > p {
  font-size: 15px; color: var(--text-secondary);
  line-height: 1.8; margin-bottom: 24px;
}
.scene-kpi { display: flex; gap: 32px; }
.scene-kpi-item { display: flex; flex-direction: column; }
.scene-kpi-num {
  font-size: 28px; font-weight: 800;
  background: var(--gradient-3);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.scene-kpi-label { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

.scene-visual {
  display: flex; align-items: center; justify-content: center;
}
.scene-svg {
  width: 100%; max-width: 260px; height: auto;
}

/* Scene SVG animations */
.scene-anim { opacity: 0; transition: opacity 0.6s ease; }
.card-reveal.revealed .scene-anim { opacity: 1; }

.scene-bar {
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.6s cubic-bezier(0.25, 0.8, 0.25, 1.2);
  transition-delay: var(--d, 0s);
}
.card-reveal.revealed .scene-bar { transform: scaleY(1); }

.scene-line { stroke-dasharray: 400; stroke-dashoffset: 400; transition: stroke-dashoffset 1.2s ease 0.8s; }
.card-reveal.revealed .scene-line { stroke-dashoffset: 0; }

.scene-dot { opacity: 0; transition: opacity 0.3s ease 1.5s; }
.card-reveal.revealed .scene-dot { opacity: 1; }

.scene-ring { stroke-dasharray: 345; stroke-dashoffset: 345; transition: stroke-dashoffset 1.5s cubic-bezier(0.25, 0.8, 0.25, 1); }
.card-reveal.revealed .scene-ring { stroke-dashoffset: 69; }

.scene-ring-text { opacity: 0; transition: opacity 0.5s ease 0.8s; }
.card-reveal.revealed .scene-ring-text { opacity: 1; }

.scene-bubbles rect {
  opacity: 0; 
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.scene-bubbles rect:nth-child(1) { transition-delay: 0.3s; transform: translateX(-10px); }
.scene-bubbles rect:nth-child(2) { transition-delay: 0.5s; transform: translateX(10px); }
.scene-bubbles rect:nth-child(3) { transition-delay: 0.7s; transform: translateX(-10px); }
.scene-bubbles rect:nth-child(4) { transition-delay: 0.9s; transform: translateX(10px); }
.card-reveal.revealed .scene-bubbles rect { opacity: 1; transform: translateX(0); }

.scene-line-anim { stroke-dasharray: 400; stroke-dashoffset: 400; transition: stroke-dashoffset 1.5s ease 0.3s; }
.card-reveal.revealed .scene-line-anim { stroke-dashoffset: 0; }

.scene-breathe-dot { animation: breathePulse 1.8s ease-in-out infinite; }
@keyframes breathePulse { 0%,100%{opacity:0.5;r:5} 50%{opacity:1;r:7} }

.scene-doc-line {
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s cubic-bezier(0.25, 0.8, 0.25, 1.2);
  transition-delay: var(--d, 0s);
}
.card-reveal.revealed .scene-doc-line { transform: scaleX(1); }

.scene-search-dot, .scene-tag-dot {
  opacity: 0;
  transform: scale(0);
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  transition-delay: var(--d, 0.5s);
}
.card-reveal.revealed .scene-search-dot,
.card-reveal.revealed .scene-tag-dot { opacity: 1; transform: scale(1); }

.scene-bar-text { opacity: 0; transition: opacity 0.4s ease 0.8s; }
.card-reveal.revealed .scene-bar-text { opacity: 1; }

/* ==========================================
   板块6: 对比优势 (Compare Cards)
   ========================================== */
.compare-cards { padding: 100px 0; background: var(--bg-secondary); }
.compare-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
}
.compare-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1.2);
  position: relative;
  overflow: hidden;
}
.compare-item:hover {
  transform: translateY(-4px);
  border-color: rgba(129, 140, 248, 0.6);
  box-shadow: 0 0 8px rgba(99, 102, 241, 0.35), 0 0 20px rgba(99, 102, 241, 0.2);
}
.compare-icon {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(99, 102, 241, 0.08);
  border-radius: 10px;
  margin-bottom: 14px;
  transition: transform 0.3s ease, background 0.3s ease;
}
.compare-item:hover .compare-icon {
  transform: scale(1.1);
  background: rgba(99, 102, 241, 0.16);
}
.compare-title {
  font-size: 16px; font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}
.compare-other {
  font-size: 12px; color: var(--text-muted);
  margin-bottom: 4px;
}
.compare-nexai {
  font-size: 13px; color: var(--accent-light);
  font-weight: 600;
  margin-bottom: 14px;
  min-height: 18px;
}
.compare-bar {
  height: 3px;
  background: rgba(255,255,255,0.06);
  border-radius: 2px;
  overflow: hidden;
}
.compare-bar-fill {
  height: 100%;
  border-radius: 2px;
  background: var(--gradient-2);
  width: 0;
}

/* ==========================================
   板块7: 交付流程 (Timeline)
   ========================================== */
.delivery-timeline { padding: 100px 0; }

.timeline-flow {
  max-width: 1000px;
  margin: 0 auto 32px;
  position: relative;
}
.timeline-track {
  position: absolute;
  top: 42px;
  left: 0; right: 0;
  height: 4px;
  z-index: 0;
}
.timeline-line {
  width: 100%; height: 4px;
  position: absolute; top: 0; left: 0;
}
.timeline-line-active { transition: x2 1.5s cubic-bezier(0.25, 0.8, 0.25, 1); }

.timeline-nodes {
  display: flex;
  justify-content: space-between;
  position: relative;
  z-index: 1;
}
.timeline-node {
  display: flex; flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 140px;
  padding-top: 8px;
  transition: transform 0.3s ease;
}
.timeline-node:hover { transform: translateY(-6px); }
.timeline-node-dot {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-card);
  border: 2px solid rgba(99, 102, 241, 0.4);
  border-radius: 50%;
  margin-bottom: 16px;
  position: relative;
  z-index: 2;
  transition: all 0.3s ease;
}
.timeline-node:hover .timeline-node-dot {
  border-color: var(--accent-light);
  box-shadow: 0 0 16px rgba(99, 102, 241, 0.4);
  background: rgba(99, 102, 241, 0.1);
}
.node-inner {
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  background: var(--gradient-2);
  border-radius: 50%;
  font-size: 14px; font-weight: 800; color: #fff;
}
.timeline-node h4 { font-size: 16px; margin-bottom: 6px; }
.timeline-node p { font-size: 13px; color: var(--text-muted); line-height: 1.5; margin-bottom: 10px; }
.timeline-time {
  display: inline-block;
  font-size: 12px; color: var(--accent-light);
  background: rgba(99, 102, 241, 0.1);
  padding: 4px 10px; border-radius: 5px;
}

.delivery-note { text-align: center; margin-top: 48px; }
.delivery-note p {
  font-size: 14px; color: var(--text-muted); margin-bottom: 8px;
}

/* ==========================================
   板块8: CTA
   ========================================== */
.cta-final {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
}
.cta-final-bg {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse at 50% 50%, rgba(99, 102, 241, 0.08), transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(6, 182, 212, 0.04), transparent 40%);
}
.cta-final-wrapper {
  position: relative; z-index: 1;
  text-align: center;
  background: linear-gradient(160deg, rgba(99, 102, 241, 0.1), rgba(59, 130, 246, 0.05), rgba(6, 182, 212, 0.03));
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-xl);
  padding: 72px 40px;
  transition: border-color 0.4s ease, box-shadow 0.4s ease;
  position: relative;
  overflow: hidden;
}
.cta-final-wrapper:hover {
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.05);
}
.cta-final-wrapper::before {
  content: ''; position: absolute;
  top: -60%; left: -60%; width: 220%; height: 220%;
  background: conic-gradient(
    from 0deg,
    transparent, rgba(99, 102, 241, 0.02), transparent,
    rgba(6, 182, 212, 0.02), transparent, rgba(99, 102, 241, 0.02)
  );
  animation: rotateGlow 20s linear infinite;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
}
.cta-final-wrapper:hover::before { opacity: 1; }
@keyframes rotateGlow { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

.cta-final-eyebrow {
  display: block;
  font-size: 13px; color: var(--accent-light);
  margin-bottom: 20px; letter-spacing: 2px;
  text-transform: uppercase;
}
.cta-final-title {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 800; margin-bottom: 16px;
  line-height: 1.2;
}
.cta-final-desc {
  font-size: 17px; color: var(--text-secondary);
  margin-bottom: 40px; line-height: 1.8;
}
.cta-final-actions {
  display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
  margin-bottom: 24px;
}
.cta-final-note {
  font-size: 13px; color: var(--text-muted);
}

/* ==========================================
   Footer (保持)
   ========================================== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px; margin-bottom: 44px;
}
.footer-logo {
  display: flex; align-items: center;
  margin-bottom: 14px;
}
.footer-brand p { font-size: 14px; color: var(--text-muted); max-width: 280px; line-height: 1.7; }
.footer-col h4 { font-size: 15px; margin-bottom: 18px; color: var(--text-primary); }
.footer-col ul { list-style: none; }
.footer-col li, .footer-col a {
  font-size: 14px; color: var(--text-muted);
  padding: 6px 0; display: block;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--text-secondary); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 28px;
  text-align: center;
}
.footer-bottom p { font-size: 13px; color: var(--text-muted); margin-bottom: 4px; }
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--text-secondary); }

/* ==========================================
   Modal (保持)
   ========================================== */
.modal-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  padding: 20px;
}
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
  max-width: 480px; width: 100%;
  position: relative;
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.2), 0 0 30px rgba(99, 102, 241, 0.1), 0 20px 60px rgba(0, 0, 0, 0.6);
  animation: modalIn 0.3s ease;
}
@keyframes modalIn {
  from { transform: translateY(30px) scale(0.95); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}
.modal-close {
  position: absolute; top: 16px; right: 16px;
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); padding: 4px;
  border-radius: 8px; transition: all 0.2s ease;
  display: flex; align-items: center; justify-content: center;
}
.modal-close:hover { color: var(--text-primary); background: rgba(255,255,255,0.08); }
.modal-header { text-align: center; margin-bottom: 28px; }
.modal-icon {
  width: 56px; height: 56px; border-radius: 16px;
  background: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(139,92,246,0.15));
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--accent-light); margin-bottom: 16px;
}
.modal-header h3 { font-size: 22px; margin-bottom: 6px; }
.modal-header p { font-size: 14px; color: var(--text-muted); }
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block; font-size: 13px; font-weight: 600;
  color: var(--text-secondary); margin-bottom: 6px;
}
.form-group .required { color: var(--accent-light); }
.form-group input,
.form-group textarea {
  width: 100%; padding: 12px 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 10px; color: var(--text-primary);
  font-size: 14px; font-family: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}
.form-group textarea { resize: vertical; min-height: 80px; }
.field-error { display: block; color: #f87171; font-size: 12px; margin-top: 4px; min-height: 18px; }
.form-group input.error { border-color: #f87171; box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.12); }
.btn-submit {
  width: 100%; padding: 14px;
  background: var(--gradient-2);
  color: #fff; border: none;
  border-radius: 12px; font-size: 16px; font-weight: 600;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  gap: 8px; transition: all 0.3s ease; margin-top: 8px;
}
.btn-submit:hover { box-shadow: 0 0 20px rgba(99, 102, 241, 0.4); transform: translateY(-1px); }
.btn-submit:disabled { opacity: 0.7; cursor: not-allowed; transform: none; }
.spinner {
  width: 18px; height: 18px; border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff; border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.modal-success {
  flex-direction: column; align-items: center; text-align: center;
  padding: 20px 0;
}
.success-icon { margin-bottom: 16px; }
.modal-success h4 { font-size: 20px; margin-bottom: 8px; }
.modal-success p { font-size: 14px; color: var(--text-muted); max-width: 300px; margin-bottom: 24px; }
.btn-close-modal {
  padding: 10px 40px; background: rgba(99,102,241,0.15);
  color: var(--accent-light); border: 1px solid rgba(99,102,241,0.2);
  border-radius: 10px; font-size: 14px; font-weight: 600;
  cursor: pointer; transition: all 0.2s ease;
}
.btn-close-modal:hover { background: rgba(99,102,241,0.25); }

/* ==========================================
   Global Reveal Animations (IntersectionObserver)
   ========================================== */
.section-reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.25, 0.8, 0.25, 1.2);
}
.section-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.card-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.25, 0.8, 0.25, 1.2);
}
.card-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays for grid cards */
.trust-stats-grid .trust-glass-card:nth-child(1) { transition-delay: 0s; }
.trust-stats-grid .trust-glass-card:nth-child(2) { transition-delay: 0.08s; }
.trust-stats-grid .trust-glass-card:nth-child(3) { transition-delay: 0.16s; }
.trust-stats-grid .trust-glass-card:nth-child(4) { transition-delay: 0.24s; }

.industry-logo-item { transition-delay: var(--i, 0s); }
.industry-logos .industry-logo-item:nth-child(1) { transition-delay: 0s; }
.industry-logos .industry-logo-item:nth-child(2) { transition-delay: 0.05s; }
.industry-logos .industry-logo-item:nth-child(3) { transition-delay: 0.1s; }
.industry-logos .industry-logo-item:nth-child(4) { transition-delay: 0.15s; }
.industry-logos .industry-logo-item:nth-child(5) { transition-delay: 0.2s; }
.industry-logos .industry-logo-item:nth-child(6) { transition-delay: 0.25s; }
.industry-logos .industry-logo-item:nth-child(7) { transition-delay: 0.3s; }
.industry-logos .industry-logo-item:nth-child(8) { transition-delay: 0.35s; }

/* Timeline nodes stagger */
.timeline-node:nth-child(1) { transition-delay: 0s; }
.timeline-node:nth-child(2) { transition-delay: 0.1s; }
.timeline-node:nth-child(3) { transition-delay: 0.2s; }
.timeline-node:nth-child(4) { transition-delay: 0.3s; }
.timeline-node:nth-child(5) { transition-delay: 0.4s; }

/* Scene cards stagger */
.scene-card:nth-child(odd) { transition-delay: 0s; }
.scene-card:nth-child(even) { transition-delay: 0.1s; }

/* ==========================================
   Responsive
   ========================================== */
/* ==========================================
   Nav Dropdown (Hover Menu)
   ========================================== */
.nav-item { position: relative; }
.nav-dropdown {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 14px; padding: 20px 0; min-width: 720px;
  opacity: 0; visibility: hidden;
  transition: all 0.25s ease;
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
  display: grid; grid-template-columns: 1fr 2fr;
  z-index: 100;
}
.nav-item:hover .nav-dropdown { opacity: 1; visibility: visible; }
.nd-col { padding: 0 20px; }
.nd-col:first-child { border-right: 1px solid var(--border); }
.nd-title {
  font-size: 11px; font-weight: 700; letter-spacing: 2px;
  color: var(--accent-light); text-transform: uppercase;
  padding: 0 12px; margin-bottom: 10px;
}
.nd-item {
  display: block; padding: 8px 12px; font-size: 13px;
  color: var(--text-secondary); border-radius: 6px;
  transition: all 0.2s ease; white-space: nowrap;
}
.nd-item:hover { background: rgba(99,102,241,0.1); color: var(--accent-light); }
.nd-subitems { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; }

/* ==========================================
   Scroll Hint
   ========================================== */
.sh-scroll-hint {
  position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
  z-index: 2; opacity: 0; animation: fadeUpHint 0.8s 0.8s ease both;
}
.sh-scroll-hint span {
  display: block; width: 24px; height: 40px; border-radius: 12px;
  border: 2px solid rgba(34,211,238,0.3); margin: 0 auto 8px;
  position: relative;
}
.sh-scroll-hint span::after {
  content: ''; position: absolute; top: 6px; left: 50%; transform: translateX(-50%);
  width: 4px; height: 8px; border-radius: 2px; background: rgba(34,211,238,0.6);
  animation: scrollDot 2s ease-in-out infinite;
}
@keyframes scrollDot {
  0% { opacity: 0; transform: translateX(-50%) translateY(0); }
  30% { opacity: 1; }
  100% { opacity: 0; transform: translateX(-50%) translateY(16px); }
}
@keyframes fadeUpHint {
  from { opacity: 0; transform: translateX(-50%) translateY(20px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}
.sh-scroll-hint p {
  font-size: 11px; color: var(--text-muted); letter-spacing: 2px; text-transform: uppercase;
}

@media (max-width: 1024px) {
  .hero-row { grid-template-columns: 1fr; gap: 0; }
  .hero-visual { display: none; }
  .platform-vs-row { flex-direction: column; gap: 24px; }
  .platform-vs-center { width: 100%; min-width: auto; padding: 16px 0; }
  .vs-text { font-size: 32px; }
  .trust-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .compare-grid { grid-template-columns: repeat(2, 1fr); }
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .scene-card { grid-template-columns: 1fr; gap: 24px; }
  .scene-card.scene-right .scene-visual { order: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .timeline-nodes { flex-wrap: wrap; gap: 20px; justify-content: center; }
  .timeline-track { display: none; }
  .timeline-node { max-width: 160px; }
}

@media (max-width: 768px) {
  .hero { padding: 110px 0 60px; min-height: auto; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .stat-divider { display: none; }
  .hero-actions { flex-direction: column; }
  .trust-stats-grid { grid-template-columns: 1fr 1fr; }
  .compare-grid { grid-template-columns: 1fr 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .scene-card { padding: 28px 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .product-tabs-nav { flex-direction: column; gap: 4px; background: transparent; border: none; padding: 0; }
  .product-tab { border-radius: var(--radius); }
  .timeline-nodes { flex-direction: column; align-items: center; }
  .timeline-node { max-width: 100%; width: 100%; flex-direction: row; gap: 16px; text-align: left; }
}