:root {
  --primary: #FF6B00;
  --primary-dark: #E55A00;
  --primary-light: #FF8C33;
  --primary-glow: rgba(255, 107, 0, 0.4);
  --secondary: #0A0E1A;
  --dark: #000000;
  --darker: #000000;
  --gray-900: #0A0E1A;
  --gray-800: #111827;
  --gray-700: #1F2937;
  --gray-600: #374151;
  --gray-500: #6B7280;
  --gray-400: #9CA3AF;
  --gray-300: #D1D5DB;
  --gray-200: #E5E7EB;
  --gray-100: #F3F4F6;
  --white: #FFFFFF;
  --gradient-primary: linear-gradient(135deg, #FF6B00 0%, #FF8C33 50%, #FFB366 100%);
  --gradient-dark: #000000;
  --gradient-card: linear-gradient(145deg, rgba(255, 107, 0, 0.08) 0%, rgba(255, 107, 0, 0.02) 100%);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.2);
  --shadow-glow: 0 0 40px rgba(255, 107, 0, 0.3);
  --shadow-glow-lg: 0 0 80px rgba(255, 107, 0, 0.4);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--dark);
  color: var(--gray-200);
  line-height: 1.7;
  overflow-x: hidden;
}

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

.container {
  max-width: 1480px;
  margin: 0 auto;
  padding: 0 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 500;
  border-radius: var(--radius-sm);
  padding: 12px 28px;
  transition: all 0.3s ease;
  cursor: pointer;
  border: 2px solid transparent;
  font-size: 15px;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(255, 107, 0, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 107, 0, 0.5);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 107, 0, 0.6);
}
.btn-outline:hover {
  background: rgba(255, 107, 0, 0.1);
  border-color: var(--primary);
}

.btn-outline-light {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.4);
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--white);
}

.btn-sm { padding: 8px 20px; font-size: 14px; }
.btn-lg { padding: 14px 36px; font-size: 16px; }

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(6, 9, 18, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.3s ease;
}
.header.scrolled { background: rgba(6, 9, 18, 0.95); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.logo-icon svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 4px 12px rgba(255, 107, 0, 0.35));
}
.logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
}
.logo-img {
  height: 44px;
  width: auto;
  display: block;
  filter: drop-shadow(0 4px 12px rgba(255, 107, 0, 0.35));
}

.logo-sub {
  font-size: 12px;
  color: var(--gray-400);
  margin-left: 6px;
  padding-left: 10px;
  border-left: 1px solid rgba(255, 255, 255, 0.15);
}

.nav {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-link {
  position: relative;
  font-size: 15px;
  color: var(--gray-300);
  font-weight: 400;
  transition: color 0.3s;
}
.nav-link:hover, .nav-link.active { color: var(--primary-light); }
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
}

.header-actions { display: flex; align-items: center; gap: 16px; }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 1px;
  transition: all 0.3s;
}

/* ===== Hero Section ===== */
.hero {
  position: relative;
  min-height: auto;
  padding: 100px 0 72px;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 107, 0, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 107, 0, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-glow {
  position: absolute;
  top: 50%;
  left: 30%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 107, 0, 0.25) 0%, transparent 70%);
  filter: blur(80px);
  animation: glow-pulse 6s ease-in-out infinite;
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}

.hero-particles {
  position: absolute;
  inset: 0;
}
.hero-particles span {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--primary);
  border-radius: 50%;
  opacity: 0.6;
  animation: float-particle 15s linear infinite;
}
.hero-particles span:nth-child(1) { top: 15%; left: 10%; animation-delay: 0s; }
.hero-particles span:nth-child(2) { top: 25%; left: 80%; animation-delay: 2s; width: 6px; height: 6px; }
.hero-particles span:nth-child(3) { top: 60%; left: 5%; animation-delay: 4s; }
.hero-particles span:nth-child(4) { top: 80%; left: 70%; animation-delay: 6s; width: 3px; height: 3px; }
.hero-particles span:nth-child(5) { top: 40%; left: 90%; animation-delay: 8s; }
.hero-particles span:nth-child(6) { top: 70%; left: 30%; animation-delay: 1s; width: 5px; height: 5px; }
.hero-particles span:nth-child(7) { top: 10%; left: 50%; animation-delay: 3s; }
.hero-particles span:nth-child(8) { top: 90%; left: 45%; animation-delay: 5s; width: 3px; height: 3px; }
.hero-particles span:nth-child(9) { top: 35%; left: 25%; animation-delay: 7s; }
.hero-particles span:nth-child(10) { top: 55%; left: 65%; animation-delay: 9s; width: 4px; height: 4px; }

@keyframes float-particle {
  0%, 100% { transform: translateY(0) translateX(0); opacity: 0.6; }
  25% { transform: translateY(-30px) translateX(15px); opacity: 1; }
  50% { transform: translateY(-10px) translateX(-20px); opacity: 0.8; }
  75% { transform: translateY(-40px) translateX(10px); opacity: 0.4; }
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  padding: 0;
}

.hero-content { max-width: 720px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(255, 107, 0, 0.12);
  border: 1px solid rgba(255, 107, 0, 0.3);
  border-radius: 100px;
  color: var(--primary-light);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 28px;
}
.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--primary);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-title {
  font-size: 56px;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 24px;
}
.title-line { display: block; color: var(--white); }
.title-highlight {
  display: block;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 8px 0;
}

.hero-desc {
  font-size: 18px;
  color: var(--gray-400);
  margin-bottom: 36px;
  max-width: 500px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 60px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.stat-item { text-align: center; }
.stat-num-wrap {
  display: inline-flex;
  align-items: baseline;
  justify-content: center;
  white-space: nowrap;
}
.stat-num {
  font-size: 36px;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
}
.stat-suffix {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-left: 2px;
}
.stat-label {
  font-size: 13px;
  color: var(--gray-400);
  margin-top: 4px;
  white-space: nowrap;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
}

/* Hero Visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-device {
  position: relative;
  width: 380px;
  height: 560px;
}

.device-frame {
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, #1a1f2e 0%, #0d1117 100%);
  border-radius: 40px;
  padding: 12px;
  box-shadow:
    0 0 0 2px rgba(255, 107, 0, 0.2),
    0 0 60px rgba(255, 107, 0, 0.2),
    0 30px 80px rgba(0, 0, 0, 0.5);
}

.device-screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, #060912 0%, #0a0e1a 100%);
  border-radius: 30px;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.screen-content {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ai-brain {
  position: relative;
  width: 220px;
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brain-core {
  position: absolute;
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  z-index: 3;
  box-shadow: 0 0 40px rgba(255, 107, 0, 0.8);
  animation: core-pulse 3s ease-in-out infinite;
}

@keyframes core-pulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 40px rgba(255, 107, 0, 0.8); }
  50% { transform: scale(1.1); box-shadow: 0 0 60px rgba(255, 107, 0, 1); }
}

.brain-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255, 107, 0, 0.4);
}
.ring-1 {
  width: 120px;
  height: 120px;
  animation: rotate 8s linear infinite;
  border-style: dashed;
}
.ring-2 {
  width: 170px;
  height: 170px;
  animation: rotate 12s linear infinite reverse;
  border-color: rgba(255, 107, 0, 0.3);
}
.ring-3 {
  width: 220px;
  height: 220px;
  animation: rotate 16s linear infinite;
  border-color: rgba(255, 107, 0, 0.2);
}

@keyframes rotate {
  to { transform: rotate(360deg); }
}

.brain-nodes span {
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--primary-light);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--primary);
}
.brain-nodes span:nth-child(1) { top: 0; left: 50%; transform: translateX(-50%); animation: node-pulse 2s ease-in-out infinite; }
.brain-nodes span:nth-child(2) { top: 25%; right: 0; animation: node-pulse 2s ease-in-out infinite 0.3s; }
.brain-nodes span:nth-child(3) { bottom: 25%; right: 0; animation: node-pulse 2s ease-in-out infinite 0.6s; }
.brain-nodes span:nth-child(4) { bottom: 0; left: 50%; transform: translateX(-50%); animation: node-pulse 2s ease-in-out infinite 0.9s; }
.brain-nodes span:nth-child(5) { bottom: 25%; left: 0; animation: node-pulse 2s ease-in-out infinite 1.2s; }
.brain-nodes span:nth-child(6) { top: 25%; left: 0; animation: node-pulse 2s ease-in-out infinite 1.5s; }
.brain-nodes span:nth-child(7) { top: 10%; left: 20%; animation: node-pulse 2s ease-in-out infinite 0.5s; }
.brain-nodes span:nth-child(8) { bottom: 10%; right: 20%; animation: node-pulse 2s ease-in-out infinite 1s; }

@keyframes node-pulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.3); }
}

.data-streams { position: absolute; inset: 0; }
.stream {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  opacity: 0.5;
  animation: stream-flow 4s linear infinite;
}
.stream-1 { top: 30%; left: 0; right: 0; animation-delay: 0s; }
.stream-2 { top: 60%; left: 0; right: 0; animation-delay: 1.5s; }
.stream-3 { top: 80%; left: 0; right: 0; animation-delay: 3s; }

@keyframes stream-flow {
  0% { transform: translateX(-100%); opacity: 0; }
  20% { opacity: 0.6; }
  80% { opacity: 0.6; }
  100% { transform: translateX(100%); opacity: 0; }
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 40px;
  border: 2px solid rgba(255, 107, 0, 0.4);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}
.hero-scroll span {
  width: 3px;
  height: 8px;
  background: var(--primary);
  border-radius: 2px;
  animation: scroll-dot 1.5s ease-in-out infinite;
}
@keyframes scroll-dot {
  0% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(14px); }
}

/* ===== Section Base ===== */
.section {
  padding: 72px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-tag {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--primary);
  margin-bottom: 16px;
}
.section-tag.light { color: rgba(255, 255, 255, 0.7); }

.section-title {
  font-size: 42px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 17px;
  color: var(--gray-400);
  max-width: 600px;
  margin: 0 auto;
}

.section-divider {
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
  margin: 24px auto 0;
}

/* ===== Products Section ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 32px;
}

.feature-block {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.feature-block-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.feature-block:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 107, 0, 0.4);
  background: rgba(255, 107, 0, 0.05);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-block-num {
  font-size: 48px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 20px;
  line-height: 1;
}

.feature-block-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 107, 0, 0.1);
  border-radius: 14px;
  flex-shrink: 0;
  transition: all 0.3s;
}

.feature-block:hover .feature-block-icon {
  background: var(--primary);
  box-shadow: var(--shadow-glow);
}

.feature-block-icon svg {
  width: 36px;
  height: 36px;
  color: var(--primary-light);
  transition: color 0.3s;
}

.feature-block:hover .feature-block-icon svg {
  color: white;
}

.feature-block-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--white);
  margin: 0;
}

.feature-block-desc {
  font-size: 15px;
  color: var(--gray-400);
  line-height: 1.8;
}

.feature-block-section {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.feature-block-section:first-of-type {
  margin-top: 12px;
}

.feature-block-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.feature-block-label::before {
  content: '|';
  color: var(--primary);
  font-weight: 900;
}

.feature-block-section .feature-block-desc {
  font-size: 13px;
  line-height: 1.7;
  margin: 0;
}

/* ===== Core Features Unified Wrapper (Solutions + Products + AI Services + Tech) ===== */
.core-features-wrap {
  background:
    linear-gradient(180deg, rgba(255, 107, 0, 0.03) 0%, transparent 20%, transparent 80%, rgba(255, 107, 0, 0.03) 100%),
    radial-gradient(circle at 50% 50%, rgba(255, 107, 0, 0.025) 0%, transparent 60%),
    #000000;
  position: relative;
  overflow: hidden;
  border-top: 1px solid rgba(255, 107, 0, 0.12);
  border-bottom: 1px solid rgba(255, 107, 0, 0.12);
}
.core-features-wrap::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255, 107, 0, 0.4), transparent);
}
.core-features-wrap::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255, 107, 0, 0.4), transparent);
}
.core-features-wrap > section {
  position: relative;
  z-index: 1;
}

/* ===== AI Services Section ===== */
.ai-services {
  background: transparent;
  position: relative;
}
.ai-services::before {
  display: none;
}

.services-banner {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 40px;
  background: linear-gradient(135deg, rgba(255, 107, 0, 0.15) 0%, rgba(255, 150, 50, 0.08) 100%);
  border: 1px solid rgba(255, 107, 0, 0.3);
  border-radius: 50px;
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
}

.services-banner span {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 28px;
}

.service-card {
  padding: 20px 16px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 107, 0, 0.4);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.3);
}

.service-card:hover::before {
  opacity: 1;
}

.service-card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(255, 107, 0, 0.15) 0%, rgba(255, 150, 50, 0.1) 100%);
  border-radius: 14px;
  color: var(--primary);
  margin-bottom: 16px;
}

.service-card-icon svg {
  width: 24px;
  height: 24px;
}

.service-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.service-card p {
  font-size: 13px;
  color: var(--gray-400);
  line-height: 1.7;
}

/* ===== Tech Foundation Section ===== */
.tech-foundation {
  background: transparent;
  position: relative;
}

.tech-foundation::before {
  display: none;
}

.tech-banner {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 40px;
  background: linear-gradient(135deg, rgba(255, 107, 0, 0.15) 0%, rgba(255, 150, 50, 0.08) 100%);
  border: 1px solid rgba(255, 107, 0, 0.3);
  border-radius: 50px;
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
}

.tech-banner span {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 28px;
}

.tech-card {
  padding: 28px 24px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.tech-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.tech-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 107, 0, 0.4);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.3);
}

.tech-card:hover::before {
  opacity: 1;
}

.tech-card-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(255, 107, 0, 0.15) 0%, rgba(255, 150, 50, 0.1) 100%);
  border-radius: 16px;
  color: var(--primary);
  margin-bottom: 24px;
}

.tech-card-icon svg {
  width: 28px;
  height: 28px;
}

.tech-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.tech-card p {
  font-size: 14px;
  color: var(--gray-400);
  line-height: 1.9;
}

/* ===== Products Section (Old) ===== */
.products {
  background: transparent;
  position: relative;
}
.products::before {
  display: none;
}

.product-tabs {
  max-width: 1140px;
  margin: 0 auto;
}

.tab-nav {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 12px 28px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--gray-300);
  border-radius: 100px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s;
  font-family: inherit;
}
.tab-btn:hover {
  background: rgba(255, 107, 0, 0.1);
  border-color: rgba(255, 107, 0, 0.3);
  color: var(--primary-light);
}
.tab-btn.active {
  background: var(--gradient-primary);
  color: var(--white);
  border-color: transparent;
  box-shadow: 0 4px 20px rgba(255, 107, 0, 0.4);
}

.tab-content {
  position: relative;
  min-height: 440px;
}

.tab-panel {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: all 0.5s ease;
}
.tab-panel.active {
  opacity: 1;
  visibility: visible;
  position: relative;
}

.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.product-tag {
  display: inline-block;
  font-size: 13px;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.product-name {
  font-size: 36px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
}

.product-desc {
  font-size: 16px;
  color: var(--gray-400);
  margin-bottom: 28px;
  line-height: 1.8;
}

.product-features {
  margin-bottom: 20px;
}
.product-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 6px 0;
  color: var(--gray-300);
  font-size: 14px;
  line-height: 1.6;
}

.feature-groups {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.feature-group {
  background: linear-gradient(145deg, rgba(255, 107, 0, 0.06), rgba(255, 107, 0, 0.01));
  border: 1px solid rgba(255, 107, 0, 0.12);
  border-radius: 14px;
  padding: 18px 20px;
  transition: all 0.3s ease;
}

.feature-group:hover {
  border-color: rgba(255, 107, 0, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 107, 0, 0.1);
}

.feature-group-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 6px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 107, 0, 0.15);
}

.feature-platform {
  font-size: 11px;
  color: var(--primary-light);
  margin-bottom: 8px;
  opacity: 0.85;
  letter-spacing: 0.5px;
}

.feature-group .product-features {
  margin-bottom: 0;
}

.feature-group .product-features li {
  padding: 4px 0;
  font-size: 13px;
  color: var(--gray-400);
  position: relative;
  padding-left: 14px;
}

.feature-group .product-features li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

.visual-badges { display: none; }

/* ========== NEW NETWORK DESIGN ========== */
.network-svg {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 1;
  pointer-events: none;
}

/* AI Card - Center Hub */
.network-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
  text-align: center;
}

.center-ring-outer {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 2px solid rgba(255, 140, 50, 0.5);
  animation: center-rotate 12s linear infinite;
}

.center-ring-inner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 1.5px dashed rgba(255, 180, 100, 0.4);
  animation: center-rotate 8s linear infinite reverse;
}

@keyframes center-rotate {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.center-core {
  width: 64px;
  height: 64px;
  background: linear-gradient(145deg, #ff8c32, #ff6b00);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 900;
  font-size: 20px;
  box-shadow: 0 0 50px rgba(255, 107, 0, 0.8), 0 0 25px rgba(255, 140, 50, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.3);
  margin: 0 auto;
  animation: core-pulse 2s ease-in-out infinite;
  border: 2px solid rgba(255, 200, 150, 0.6);
}

@keyframes core-pulse {
  0%, 100% { box-shadow: 0 0 50px rgba(255, 107, 0, 0.8), 0 0 25px rgba(255, 140, 50, 0.5); }
  50% { box-shadow: 0 0 70px rgba(255, 107, 0, 1), 0 0 40px rgba(255, 140, 50, 0.7); }
}

.center-label {
  display: block;
  margin-top: 8px;
  font-size: 11px;
  color: rgba(255, 200, 150, 0.9);
  font-weight: 500;
  letter-spacing: 2px;
}

/* Platform Nodes */
.node {
  position: absolute;
  z-index: 5;
  text-align: center;
  animation: node-float 3s ease-in-out infinite;
}

@keyframes node-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

.node-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(145deg, #ff8c32, #ff6b00);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 6px;
  box-shadow: 0 4px 16px rgba(255, 107, 0, 0.5), 0 0 20px rgba(255, 140, 50, 0.3);
  border: 2px solid rgba(255, 200, 150, 0.5);
  transition: all 0.3s ease;
}

.node:hover .node-icon {
  transform: scale(1.15);
  box-shadow: 0 6px 24px rgba(255, 107, 0, 0.7), 0 0 30px rgba(255, 140, 50, 0.5);
}

.node-icon svg {
  width: 22px;
  height: 22px;
  color: #fff;
}

.node-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: rgba(255, 220, 180, 0.95);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
  white-space: nowrap;
}

/* Node positions - hexagon layout */
.visual-card-1 .node.n-1 { top: 8%; left: 50%; transform: translateX(-50%); animation-delay: 0s; }
.visual-card-1 .node.n-2 { top: 24%; right: 8%; animation-delay: 0.4s; }
.visual-card-1 .node.n-3 { bottom: 24%; right: 8%; animation-delay: 0.8s; }
.visual-card-1 .node.n-4 { bottom: 8%; left: 50%; transform: translateX(-50%); animation-delay: 1.2s; }
.visual-card-1 .node.n-5 { bottom: 24%; left: 8%; animation-delay: 1.6s; }
.visual-card-1 .node.n-6 { top: 24%; left: 8%; animation-delay: 2s; }
.visual-card-1 .node.n-7 { bottom: 2%; left: 25%; animation-delay: 2.4s; }

.visual-card-1 .node.n-1,
.visual-card-1 .node.n-4 {
  animation-name: node-float-y;
}

@keyframes node-float-y {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-5px); }
}

/* IP Card - Phone mockup center */
.ip-center-new {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
}

.phone-mockup {
  width: 80px;
  height: 100px;
  background: linear-gradient(145deg, #2a2a35, #1a1a22);
  border-radius: 16px;
  padding: 6px;
  position: relative;
  box-shadow: 0 0 40px rgba(255, 107, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.5);
  border: 1.5px solid rgba(255, 140, 50, 0.3);
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(145deg, #ff8c32, #ff6b00);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone-content {
  text-align: center;
}

.phone-emoji {
  display: block;
  font-size: 24px;
  line-height: 1;
}

.phone-text {
  display: block;
  font-size: 16px;
  font-weight: 900;
  color: #fff;
  margin-top: 2px;
}

.phone-notch {
  position: absolute;
  top: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 4px;
  background: #333;
  border-radius: 2px;
}

.ip-glow-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 140px;
  height: 140px;
  border-radius: 50%;
  border: 1.5px dashed rgba(255, 140, 50, 0.4);
  animation: center-rotate 15s linear infinite;
  pointer-events: none;
}

/* IP Tool nodes */
.ip-tool-node {
  position: absolute;
  z-index: 5;
  text-align: center;
  animation: node-float 3s ease-in-out infinite;
}

.ip-tool-node .tool-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(145deg, #ff8c32, #ff6b00);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 5px;
  box-shadow: 0 4px 14px rgba(255, 107, 0, 0.5);
  border: 1.5px solid rgba(255, 200, 150, 0.5);
  transition: all 0.3s ease;
}

.ip-tool-node:hover .tool-icon {
  transform: scale(1.15) rotate(5deg);
}

.ip-tool-node .tool-icon svg {
  width: 20px;
  height: 20px;
  color: #fff;
}

.ip-tool-node span {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: rgba(255, 220, 180, 0.95);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
  white-space: nowrap;
}

/* IP tool positions - VERTICAL LAYOUT */
.visual-card-3 .ip-center-new {
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 5;
}

.visual-card-3 .ip-tool-node.t-1 { 
  top: 6%; 
  left: 8%; 
  animation-delay: 0s; 
}
.visual-card-3 .ip-tool-node.t-2 { 
  top: 6%; 
  right: 8%; 
  animation-delay: 0.8s; 
}
.visual-card-3 .ip-tool-node.t-3 { 
  top: 52%; 
  left: 50%; 
  transform: translateX(-50%); 
  animation-delay: 1.6s; 
}

/* IP Stats - bottom bar */
.ip-stats {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0;
  padding: 8px 16px;
  background: rgba(255, 107, 0, 0.08);
  border: 1px solid rgba(255, 140, 50, 0.25);
  border-radius: 12px;
  backdrop-filter: blur(10px);
  z-index: 6;
}

.ip-stats .stat-item {
  text-align: center;
  padding: 0 12px;
}

.ip-stats .stat-divider {
  width: 1px;
  height: 28px;
  background: linear-gradient(to bottom, transparent, rgba(255, 140, 50, 0.5), transparent);
}

.ip-stats .stat-num {
  display: block;
  font-size: 14px;
  font-weight: 800;
  color: #ffcc99;
  text-shadow: 0 0 8px rgba(255, 140, 50, 0.5);
}

.ip-stats .stat-desc {
  display: block;
  font-size: 10px;
  color: rgba(255, 220, 180, 0.8);
  margin-top: 2px;
}

.badge-orbit {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 3;
}

.badge-wrap {
  position: absolute;
  pointer-events: auto;
  animation: badge-float 3s ease-in-out infinite;
}

/* ============================================
   AI REDESIGN - Match IP Card Style
   ============================================ */

.visual-card-1.ai-redesign {
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 14px;
  height: auto;
  min-height: 400px;
  overflow: visible;
}

.ai-card-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 20%, rgba(255, 140, 50, 0.15) 0%, transparent 55%),
              radial-gradient(ellipse at 50% 80%, rgba(255, 107, 0, 0.06) 0%, transparent 50%);
  pointer-events: none;
}

/* Center Logo */
.ai-center-logo {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-top: 2px;
}

.ai-logo-ring {
  position: absolute;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, transparent, rgba(255, 140, 50, 0.4), transparent);
  animation: ip-ring-spin 4s linear infinite;
}

.ai-logo {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: linear-gradient(145deg, #ff8c32, #ff6b00);
  box-shadow: 0 8px 24px rgba(255, 107, 0, 0.4);
  position: relative;
  z-index: 2;
}

.ai-logo svg {
  width: 36px;
  height: 36px;
}

.ai-center-label {
  font-size: 14px;
  font-weight: 700;
  color: #ffcc99;
  letter-spacing: 1px;
}

/* Platform Tags */
.ai-platforms-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  padding: 0 4px;
}

.platform-tag {
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 500;
  color: #ffcc99;
  background: rgba(255, 140, 50, 0.1);
  border: 1px solid rgba(255, 140, 50, 0.2);
  border-radius: 12px;
  white-space: nowrap;
}

/* Tools List */
.ai-tools-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ai-tool-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 140, 50, 0.15);
  border-radius: 12px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.ai-tool-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--ai-tool-color, #ff8c32);
  opacity: 0.6;
}

.ai-tool-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 140, 50, 0.3);
  transform: translateX(4px);
  box-shadow: 0 4px 16px rgba(255, 107, 0, 0.15);
}

.tool-video { --ai-tool-color: #ff8c32; }
.tool-growth { --ai-tool-color: #ff9a44; }
.tool-market { --ai-tool-color: #ffaa55; }
.tool-service { --ai-tool-color: #ffcc99; }

.ai-tool-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(145deg, rgba(255, 140, 50, 0.2), rgba(255, 107, 0, 0.3));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #ffcc99;
}

.ai-tool-icon svg {
  width: 20px;
  height: 20px;
}

.ai-tool-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ai-tool-name {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
}

.ai-tool-desc {
  font-size: 11px;
  color: rgba(255, 204, 153, 0.6);
}

/* Stats Bar */
.ai-stats-bar {
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 12px 12px;
  background: rgba(255, 107, 0, 0.08);
  border: 1px solid rgba(255, 140, 50, 0.2);
  border-radius: 16px;
  backdrop-filter: blur(10px);
}

.ai-stat-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.ai-stat-value {
  font-size: 18px;
  font-weight: 800;
  color: #ffcc99;
  text-shadow: 0 0 10px rgba(255, 140, 50, 0.5);
}

.ai-stat-lbl {
  font-size: 11px;
  color: rgba(255, 204, 153, 0.7);
}

.ai-stat-sep {
  width: 1px;
  height: 28px;
  background: linear-gradient(to bottom, transparent, rgba(255, 140, 50, 0.4), transparent);
}

/* ============================================
   IP REDESIGN - Modern Clean Layout
   ============================================ */

.visual-card-3.ip-redesign {
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: stretch;
  gap: 14px;
  height: auto;
  min-height: 400px;
  overflow: visible;
}

.ip-card-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 25%, rgba(255, 140, 50, 0.15) 0%, transparent 60%),
              radial-gradient(ellipse at 50% 75%, rgba(255, 107, 0, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

/* Center Logo */
.ip-center-logo {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-top: 2px;
  padding-bottom: 4px;
}

.ip-logo-ring {
  position: absolute;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, transparent, rgba(255, 140, 50, 0.4), transparent);
  animation: ip-ring-spin 4s linear infinite;
}

@keyframes ip-ring-spin {
  to { transform: rotate(360deg); }
}

.ip-logo {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: linear-gradient(145deg, #ff8c32, #ff6b00);
  box-shadow: 0 8px 24px rgba(255, 107, 0, 0.4);
  position: relative;
  z-index: 2;
}

.ip-logo svg {
  width: 36px;
  height: 36px;
}

.ip-center-label {
  font-size: 14px;
  font-weight: 700;
  color: #ffcc99;
  letter-spacing: 1px;
}

/* Tools Row */
.ip-tools-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ip-tool-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 140, 50, 0.15);
  border-radius: 12px;
  transition: all 0.3s ease;
  cursor: default;
  position: relative;
  overflow: hidden;
}

.ip-tool-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--tool-color, #ff8c32);
  opacity: 0.6;
}

.ip-tool-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 140, 50, 0.3);
  transform: translateX(4px);
  box-shadow: 0 4px 16px rgba(255, 107, 0, 0.15);
}

.tool-create { --tool-color: #ff8c32; }
.tool-edit { --tool-color: #ffaa55; }
.tool-voice { --tool-color: #ffcc99; }

.tool-card-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(145deg, rgba(255, 140, 50, 0.2), rgba(255, 107, 0, 0.3));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #ffcc99;
}

.tool-card-icon svg {
  width: 20px;
  height: 20px;
}

.tool-card-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.tool-card-name {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
}

.tool-card-desc {
  font-size: 11px;
  color: rgba(255, 204, 153, 0.6);
}

/* Stats Bar */
.ip-stats-bar {
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 12px 12px;
  background: rgba(255, 107, 0, 0.08);
  border: 1px solid rgba(255, 140, 50, 0.2);
  border-radius: 16px;
  backdrop-filter: blur(10px);
}

.stat-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.stat-value {
  font-size: 18px;
  font-weight: 800;
  color: #ffcc99;
  text-shadow: 0 0 10px rgba(255, 140, 50, 0.5);
}

.stat-lbl {
  font-size: 11px;
  color: rgba(255, 204, 153, 0.7);
}

.stat-sep {
  width: 1px;
  height: 28px;
  background: linear-gradient(to bottom, transparent, rgba(255, 140, 50, 0.4), transparent);
}

.badge-wrap .badge-item {
  display: block;
  padding: 9px 20px;
  background: linear-gradient(145deg, #ff8c32, #ff6b00);
  border: 2px solid #ffcc99;
  border-radius: 26px;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
  box-shadow: 0 6px 24px rgba(255, 107, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.3);
  transition: all 0.3s ease;
  cursor: default;
  white-space: nowrap;
  letter-spacing: 0.5px;
}

.badge-wrap:hover .badge-item {
  background: linear-gradient(145deg, #ffa04d, #ff7a1a);
  transform: scale(1.1);
  box-shadow: 0 10px 35px rgba(255, 107, 0, 0.7);
  border-color: #ffe0b3;
}

/* AI Card - 6 badges around the ring */
.visual-card-1 .badge-wrap.b-1 { top: 12%; left: 50%; transform: translateX(-50%); animation-delay: 0s; }
.visual-card-1 .badge-wrap.b-2 { top: 28%; right: 6%; animation-delay: 0.5s; }
.visual-card-1 .badge-wrap.b-3 { bottom: 28%; right: 6%; animation-delay: 1s; }
.visual-card-1 .badge-wrap.b-4 { bottom: 12%; left: 50%; transform: translateX(-50%); animation-delay: 1.5s; }
.visual-card-1 .badge-wrap.b-5 { bottom: 28%; left: 6%; animation-delay: 2s; }
.visual-card-1 .badge-wrap.b-6 { top: 28%; left: 6%; animation-delay: 0.8s; }

/* IP Card - 4 badges */
.visual-card-3 .badge-wrap.b-1 { top: 8%; left: 50%; transform: translateX(-50%); animation-delay: 0s; }
.visual-card-3 .badge-wrap.b-2 { top: 50%; right: 0%; transform: translateY(-50%); animation-delay: 0.7s; }
.visual-card-3 .badge-wrap.b-3 { bottom: 8%; left: 50%; transform: translateX(-50%); animation-delay: 1.4s; }
.visual-card-3 .badge-wrap.b-4 { top: 50%; left: 0%; transform: translateY(-50%); animation-delay: 2.1s; }

@keyframes badge-float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-8px) scale(1.03); }
}

.visual-card-1 .badge-wrap.b-1,
.visual-card-1 .badge-wrap.b-4,
.visual-card-3 .badge-wrap.b-1,
.visual-card-3 .badge-wrap.b-3 {
  animation-name: badge-float-y;
}

@keyframes badge-float-y {
  0%, 100% { transform: translateX(-50%) translateY(0) scale(1); }
  50% { transform: translateX(-50%) translateY(-8px) scale(1.03); }
}

.visual-card-3 .badge-wrap.b-2,
.visual-card-3 .badge-wrap.b-4 {
  animation-name: badge-float-x;
}

@keyframes badge-float-x {
  0%, 100% { transform: translateY(-50%) translateX(0) scale(1); }
  50% { transform: translateY(-50%) translateX(8px) scale(1.03); }
}

.check-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  background: rgba(255, 107, 0, 0.15);
  border: 1px solid rgba(255, 107, 0, 0.3);
  border-radius: 50%;
  position: relative;
}
.check-icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 4px;
  border-left: 2px solid var(--primary);
  border-bottom: 2px solid var(--primary);
  transform: translate(-50%, -60%) rotate(-45deg);
}

.product-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.visual-card {
  width: 420px;
  height: 400px;
  background: linear-gradient(145deg, rgba(255, 107, 0, 0.1), rgba(255, 107, 0, 0.03));
  border: 1.5px solid rgba(255, 140, 50, 0.35);
  border-radius: var(--radius-xl);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: 0 0 40px rgba(255, 107, 0, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}
.visual-card::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, rgba(255, 107, 0, 0.3), transparent);
  z-index: -1;
  opacity: 0.5;
}

/* Visual Card 1 - AI Brain */
.visual-card-1 .card-ring {
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  border: 2px solid rgba(255, 140, 50, 0.35);
  animation: rotate 20s linear infinite;
}

.visual-card-1 .card-ring-inner {
  position: absolute;
  width: 230px;
  height: 230px;
  border-radius: 50%;
  border: 1px dashed rgba(255, 140, 50, 0.25);
  animation: rotate 15s linear infinite reverse;
}

.visual-card-1 .card-ring::before,
.visual-card-1 .card-ring::after {
  content: '';
  position: absolute;
  width: 10px;
  height: 10px;
  background: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 15px var(--primary);
}
.visual-card-1 .card-ring::before { top: 0; left: 50%; transform: translateX(-50%); }
.visual-card-1 .card-ring::after { bottom: 0; left: 50%; transform: translateX(-50%); background: var(--primary-light); }

.visual-card-1 .card-center {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
}
.visual-card-1 .pulse-ring {
  position: absolute;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: rgba(255, 107, 0, 0.2);
  animation: pulse-ring 2s ease-in-out infinite;
}
.visual-card-1 .pulse-ring.ring-2 {
  animation-delay: 1s;
  background: rgba(255, 107, 0, 0.15);
}
@keyframes pulse-ring {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 0.3; }
}
.visual-card-1 .pulse-core {
  width: 72px;
  height: 72px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 900;
  font-size: 22px;
  box-shadow: 0 0 60px rgba(255, 107, 0, 0.8), 0 0 30px rgba(255, 140, 50, 0.6);
  position: relative;
  z-index: 2;
  border: 2px solid rgba(255, 180, 100, 0.6);
}

.visual-card-1 .orbit-dots span {
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--primary-light);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--primary);
}
.visual-card-1 .orbit-dots span:nth-child(1) { top: 20%; left: 30%; }
.visual-card-1 .orbit-dots span:nth-child(2) { top: 30%; right: 20%; }
.visual-card-1 .orbit-dots span:nth-child(3) { bottom: 30%; right: 25%; }
.visual-card-1 .orbit-dots span:nth-child(4) { bottom: 25%; left: 20%; }
.visual-card-1 .orbit-dots span:nth-child(5) { top: 50%; left: 10%; }
.visual-card-1 .orbit-dots span:nth-child(6) { top: 15%; right: 40%; }
.visual-card-1 .orbit-dots span:nth-child(7) { bottom: 20%; left: 40%; }
.visual-card-1 .orbit-dots span:nth-child(8) { top: 60%; right: 10%; }

/* Visual Card 2 - Chart */
.visual-card-2 { flex-direction: column; }
.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  height: 200px;
  padding: 20px;
  position: relative;
  z-index: 2;
}
.chart-bars .bar {
  flex: 1;
  height: var(--h);
  background: linear-gradient(180deg, var(--primary-light), var(--primary));
  border-radius: 6px 6px 0 0;
  position: relative;
  animation: bar-grow 1.5s ease-out forwards;
  transform-origin: bottom;
}
.chart-bars .bar::after {
  content: '';
  position: absolute;
  top: -4px;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary-light);
  border-radius: 2px;
  box-shadow: 0 0 10px var(--primary);
}
@keyframes bar-grow {
  from { transform: scaleY(0); }
  to { transform: scaleY(1); }
}

.chart-line {
  width: 80%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  margin-top: 16px;
  position: relative;
}
.chart-line::before,
.chart-line::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  top: -3px;
  box-shadow: 0 0 10px var(--primary);
}
.chart-line::before { left: 20%; }
.chart-line::after { right: 20%; }

.glow-points span {
  position: absolute;
  width: 10px;
  height: 10px;
  background: var(--primary-light);
  border-radius: 50%;
  box-shadow: 0 0 15px var(--primary);
  animation: glow-pulse 2s ease-in-out infinite;
}
.glow-points span:nth-child(1) { top: 30%; left: 15%; }
.glow-points span:nth-child(2) { top: 50%; right: 10%; animation-delay: 0.5s; }
.glow-points span:nth-child(3) { bottom: 20%; left: 40%; animation-delay: 1s; }

/* Visual Card 3 - IP */
.ip-center {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ip-avatar {
  width: 100px;
  height: 100px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 900;
  font-size: 32px;
  box-shadow: 0 0 70px rgba(255, 107, 0, 0.8), 0 0 40px rgba(255, 140, 50, 0.5);
  position: relative;
  z-index: 2;
  border: 3px solid rgba(255, 180, 100, 0.7);
}
.ip-ring {
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: 2px dashed rgba(255, 140, 50, 0.5);
  animation: rotate 15s linear infinite;
}

.ip-ring.ring-2 {
  width: 220px;
  height: 220px;
  border: 1.5px solid rgba(255, 140, 50, 0.3);
  animation: rotate 25s linear infinite reverse;
}

.scan-line {
  position: absolute;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255, 107, 0, 0.6), transparent);
  z-index: 4;
  animation: scan 3s ease-in-out infinite;
  border-radius: 2px;
}

@keyframes scan {
  0% { top: 10%; opacity: 0; }
  5% { opacity: 1; }
  95% { opacity: 1; }
  100% { top: 90%; opacity: 0; }
}

.ip-floaters { position: absolute; inset: 0; }
.floater {
  position: absolute;
  padding: 8px 16px;
  background: rgba(255, 107, 0, 0.15);
  border: 1px solid rgba(255, 107, 0, 0.3);
  border-radius: 100px;
  color: var(--primary-light);
  font-size: 13px;
  font-weight: 500;
  animation: float-bob 3s ease-in-out infinite;
}
.f-1 { top: 10%; left: 10%; animation-delay: 0s; }
.f-2 { top: 15%; right: 5%; animation-delay: 0.7s; }
.f-3 { bottom: 15%; right: 10%; animation-delay: 1.4s; }
.f-4 { bottom: 10%; left: 15%; animation-delay: 2.1s; }

@keyframes float-bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Visual Card 4 - Training */
.book-stack {
  position: relative;
  width: 180px;
  height: 160px;
  z-index: 2;
}
.book {
  position: absolute;
  width: 160px;
  height: 22px;
  border-radius: 4px;
  left: 10px;
}
.b-1 {
  bottom: 0;
  background: linear-gradient(90deg, #FF6B00, #FF8C33);
  transform: perspective(200px) rotateX(10deg);
  width: 170px;
  left: 5px;
}
.b-2 {
  bottom: 28px;
  background: linear-gradient(90deg, #FF8C33, #FFB366);
  transform: perspective(200px) rotateX(10deg);
}
.b-3 {
  bottom: 56px;
  background: linear-gradient(90deg, #FFB366, #FFD499);
  transform: perspective(200px) rotateX(10deg);
  width: 150px;
  left: 20px;
}

.graduation-cap {
  position: absolute;
  top: 15%;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 40px;
  background: var(--primary);
  clip-path: polygon(50% 0%, 0% 40%, 50% 60%, 100% 40%);
  z-index: 3;
}
.graduation-cap::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 20px;
  background: var(--primary-light);
  border-radius: 2px;
}

.knowledge-flow span {
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--primary-light);
  border-radius: 50%;
  box-shadow: 0 0 15px var(--primary);
  animation: flow-move 3s linear infinite;
}
.knowledge-flow span:nth-child(1) { top: 10%; left: 20%; }
.knowledge-flow span:nth-child(2) { top: 20%; right: 20%; animation-delay: 1s; }
.knowledge-flow span:nth-child(3) { bottom: 30%; left: 30%; animation-delay: 2s; }

@keyframes flow-move {
  0%, 100% { transform: translateY(0) scale(1); opacity: 0.6; }
  50% { transform: translateY(-20px) scale(1.3); opacity: 1; }
}

/* ===== Meteor Decoration ===== */
.meteor {
  position: absolute;
  width: 3px;
  height: 3px;
  background: #FFD499;
  border-radius: 50%;
  box-shadow: 0 0 8px 1px rgba(255, 140, 51, 0.7);
  pointer-events: none;
  z-index: 0;
  opacity: 0;
}
.meteor::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 100%;
  width: 50px;
  height: 1px;
  background: linear-gradient(to right, rgba(255, 140, 51, 0.5), transparent);
  transform: translateY(-50%) rotate(-45deg);
  transform-origin: left center;
  border-radius: 50%;
}
.meteor-1 { top: 15%; right: 8%; animation: meteor-fly 6s linear infinite; }
.meteor-2 { top: 35%; right: 25%; animation: meteor-fly 8s linear infinite 2.5s; }
.meteor-3 { top: 55%; right: 12%; animation: meteor-fly 7s linear infinite 4s; }

@keyframes meteor-fly {
  0% {
    transform: translate(0, 0);
    opacity: 0;
  }
  8% { opacity: 1; }
  70% { opacity: 1; }
  100% {
    transform: translate(-220px, 220px);
    opacity: 0;
  }
}

/* ===== Pricing + Comparison Unified Wrapper ===== */
.pricing-comparison-wrap {
  background:
    linear-gradient(180deg, rgba(255, 107, 0, 0.05) 0%, rgba(255, 107, 0, 0.02) 50%, rgba(255, 107, 0, 0.05) 100%),
    repeating-linear-gradient(45deg, transparent 0, transparent 40px, rgba(255, 107, 0, 0.015) 40px, rgba(255, 107, 0, 0.015) 41px),
    repeating-linear-gradient(-45deg, transparent 0, transparent 40px, rgba(255, 107, 0, 0.015) 40px, rgba(255, 107, 0, 0.015) 41px),
    #050306;
  position: relative;
  overflow: hidden;
  border-top: 1px solid rgba(255, 107, 0, 0.2);
  border-bottom: 1px solid rgba(255, 107, 0, 0.2);
  box-shadow: inset 0 1px 0 rgba(255, 107, 0, 0.1), inset 0 -1px 0 rgba(255, 107, 0, 0.1);
}
.pricing-comparison-wrap::before {
  content: '';
  position: absolute;
  top: 10%;
  left: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 107, 0, 0.12) 0%, transparent 70%);
  filter: blur(100px);
  pointer-events: none;
}
.pricing-comparison-wrap::after {
  content: '';
  position: absolute;
  bottom: 10%;
  right: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 107, 0, 0.10) 0%, transparent 70%);
  filter: blur(100px);
  pointer-events: none;
}
.pricing-comparison-wrap .pricing-section {
  padding-bottom: 24px;
}
.pricing-comparison-wrap .comparison-section {
  padding-top: 24px;
}

/* ===== Pricing Section ===== */
.pricing-section {
  background: transparent;
  position: relative;
}

.pricing-table {
  max-width: 100%;
  margin: 0 auto 48px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  z-index: 1;
  backdrop-filter: blur(10px);
}

.pricing-header, .pricing-row {
  display: grid;
  grid-template-columns: 1.2fr repeat(5, 1fr);
}

.pricing-header {
  background: var(--gradient-primary);
}

.pricing-cell {
  padding: 18px 12px;
  text-align: center;
  font-size: 16px;
  font-weight: 500;
  color: var(--white);
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}
.pricing-cell:last-child { border-right: none; }

.pricing-label {
  text-align: left;
  padding-left: 32px;
  font-weight: 700;
}

.pricing-row .pricing-cell {
  color: var(--gray-200);
  border-right-color: rgba(255, 255, 255, 0.05);
}
.pricing-row .pricing-cell:last-child { border-right: none; }

.pricing-row .price {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
}

.pricing-notes {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

/* 手机端卡片布局 - 默认隐藏，仅移动端显示 */
.pricing-cards {
  display: none;
}

.pricing-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 107, 0, 0.15);
  border-radius: 16px;
  padding: 20px 16px;
  text-align: center;
  transition: all 0.3s ease;
}

.pricing-card:active {
  transform: scale(0.97);
}

.pricing-card-label {
  font-size: 15px;
  color: var(--gray-400);
  margin-bottom: 8px;
  font-weight: 500;
}

.pricing-card-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}

.pricing-card-unit {
  font-size: 12px;
  color: var(--gray-500);
  margin-top: 4px;
}

.pricing-card-special {
  background: linear-gradient(135deg, rgba(255, 107, 0, 0.08) 0%, rgba(255, 150, 50, 0.04) 100%);
  border-color: rgba(255, 107, 0, 0.3);
}

.note-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--gray-300);
  font-size: 16px;
}

.note-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 107, 0, 0.15);
  border: 1px solid rgba(255, 107, 0, 0.3);
  border-radius: 50%;
  color: var(--primary);
  font-size: 14px;
  font-weight: 700;
}

/* ===== Pricing Custom Section ===== */
.pricing-custom {
  max-width: 1000px;
  margin: 64px auto 0;
  padding: 56px 56px;
  background: linear-gradient(135deg, rgba(255, 107, 0, 0.12), rgba(255, 107, 0, 0.03));
  border: 1px solid rgba(255, 107, 0, 0.25);
  border-radius: var(--radius-xl);
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.pricing-custom::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
}

.custom-glow {
  position: absolute;
  top: -30%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 107, 0, 0.2) 0%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
}

.custom-content { position: relative; z-index: 1; }

.custom-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  background: rgba(255, 107, 0, 0.15);
  border: 1px solid rgba(255, 107, 0, 0.4);
  border-radius: 100px;
  color: var(--primary-light);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.custom-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.custom-desc {
  font-size: 15px;
  color: var(--gray-300);
  line-height: 1.8;
  margin-bottom: 24px;
}

.custom-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.custom-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--gray-200);
}

.custom-action {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 32px;
  background: rgba(6, 9, 18, 0.4);
  border: 1px solid rgba(255, 107, 0, 0.2);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
}

.custom-price {
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.price-label {
  display: block;
  font-size: 13px;
  color: var(--gray-400);
  margin-bottom: 8px;
}

.price-value {
  display: block;
  font-size: 28px;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.custom-btn {
  width: 100%;
  margin-bottom: 12px;
}

.custom-hint {
  font-size: 13px;
  color: var(--gray-400);
}

/* ===== Comparison Section ===== */
.comparison-section {
  background: transparent;
}

.comparison-banner {
  display: inline-block;
  margin: 16px auto 0;
  padding: 12px 48px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 50px;
  text-align: center;
}

.comparison-banner span {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 3px;
}

.comparison-grid {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 24px;
  margin-top: 32px;
  position: relative;
  z-index: 1;
}

.comparison-card {
  flex: 1;
  max-width: 100%;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}

.comparison-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.comparison-card-header {
  padding: 24px 20px;
  text-align: center;
}

.traditional-header {
  background: linear-gradient(135deg, rgba(255, 80, 80, 0.15) 0%, rgba(255, 120, 80, 0.1) 100%);
  border-bottom: 3px solid rgba(255, 80, 80, 0.5);
}

.ai-header {
  background: linear-gradient(135deg, rgba(255, 107, 0, 0.2) 0%, rgba(255, 150, 50, 0.15) 100%);
  border-bottom: 3px solid var(--primary);
}

.comparison-card-header h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 6px;
}

.traditional-header h3 {
  color: #FF7850;
}

.ai-header h3 {
  color: var(--primary);
}

.comparison-card-header p {
  font-size: 14px;
  color: var(--gray-400);
  margin: 0;
}

.comparison-card-body {
  padding: 24px 20px;
}

.comparison-price {
  text-align: center;
  margin-bottom: 24px;
}

.comparison-price .currency {
  font-size: 24px;
  font-weight: 600;
  margin-right: 2px;
}

.comparison-price .amount {
  font-size: 48px;
  font-weight: 900;
  letter-spacing: -1px;
}

.comparison-price .unit {
  font-size: 18px;
  font-weight: 500;
  margin-left: 4px;
}

.comparison-price .label {
  display: block;
  font-size: 13px;
  color: var(--gray-400);
  margin-top: 8px;
  font-weight: 400;
}

.traditional-price .currency,
.traditional-price .amount,
.traditional-price .unit {
  color: #FF7850;
}

.ai-price .currency,
.ai-price .amount,
.ai-price .unit {
  color: var(--primary);
}

.comparison-detail {
  padding: 16px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.comparison-detail p {
  font-size: 13px;
  color: var(--gray-300);
  line-height: 1.8;
  margin: 0;
}

.comparison-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.vs-badge {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 900;
  color: var(--white);
  box-shadow: 0 8px 24px rgba(255, 107, 0, 0.4);
}

.comparison-summary {
  margin-top: 56px;
  padding: 40px;
  background: linear-gradient(135deg, rgba(255, 107, 0, 0.08) 0%, rgba(255, 150, 50, 0.05) 100%);
  border: 1px solid rgba(255, 107, 0, 0.2);
  border-radius: var(--radius-lg);
  text-align: center;
  position: relative;
  z-index: 1;
}

.comparison-summary h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
}

.summary-text {
  font-size: 16px;
  color: var(--gray-300);
  line-height: 2;
  max-width: 900px;
  margin: 0 auto;
}

.summary-text .highlight {
  color: var(--primary);
  font-weight: 700;
}

/* ===== Solutions Section ===== */
.pain-solution-layout {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 20px;
  margin-top: 40px;
  align-items: stretch;
}

/* 左列（痛点）固定在第 1 列 */
.pain-solution-layout .pain-label,
.pain-solution-layout .pain-item {
  grid-column: 1;
}

/* 中间列（VS）固定在第 2 列，跨所有 4 行（1 行标签 + 3 行项目） */
.pain-solution-layout .vs-divider {
  grid-column: 2;
  grid-row: 1 / span 4;
  align-self: stretch;
}

/* 右列（解决方案）固定在第 3 列 */
.pain-solution-layout .solution-label,
.pain-solution-layout .solution-item {
  grid-column: 3;
}

.side-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  padding-bottom: 20px;
  margin-bottom: 4px;
  border-bottom: 2px solid;
}

.pain-label {
  color: #FF7850;
  border-bottom-color: rgba(255, 120, 80, 0.3);
}

.solution-label {
  color: var(--primary);
  border-bottom-color: rgba(255, 107, 0, 0.3);
}

.label-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-size: 14px;
  font-weight: 900;
  color: var(--white);
}

.pain-label .label-icon {
  background: #FF7850;
}

.solution-label .label-icon {
  background: var(--primary);
}

.pain-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: rgba(255, 80, 80, 0.04);
  border: 1px solid rgba(255, 80, 80, 0.1);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
}

.pain-item:hover {
  border-color: rgba(255, 80, 80, 0.3);
  transform: translateX(-4px);
}

.pain-item-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 80, 80, 0.12);
  border-radius: 12px;
  color: #FF7850;
}

.pain-item-icon svg {
  width: 22px;
  height: 22px;
}

.pain-item-content h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 6px;
}

.pain-item-content p {
  font-size: 13px;
  color: var(--gray-400);
  line-height: 1.7;
  margin: 0;
}

.solution-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: rgba(255, 107, 0, 0.04);
  border: 1px solid rgba(255, 107, 0, 0.1);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
}

.solution-item:hover {
  border-color: rgba(255, 107, 0, 0.3);
  transform: translateX(4px);
}

.solution-item-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(255, 107, 0, 0.15) 0%, rgba(255, 150, 50, 0.1) 100%);
  border-radius: 12px;
  color: var(--primary);
}

.solution-item-icon svg {
  width: 22px;
  height: 22px;
}

.solution-item-content h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 6px;
}

.solution-item-content p {
  font-size: 13px;
  color: var(--gray-400);
  line-height: 1.7;
  margin: 0;
}

.vs-divider {
  /* 让顶部的大 VS 跨越所有行，竖直居中显示 */
  grid-row: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.vs-divider::before {
  /* VS 上下的渐变竖线，强化"贯穿"视觉效果 */
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
  background: linear-gradient(180deg,
    transparent 0%,
    rgba(255, 107, 0, 0.25) 20%,
    rgba(255, 107, 0, 0.25) 80%,
    transparent 100%);
}

.vs-circle {
  position: relative;
  z-index: 1;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 900;
  letter-spacing: 1px;
  color: var(--white);
  box-shadow: 0 8px 24px rgba(255, 107, 0, 0.4);
}

.vs-pair {
  display: flex;
  align-items: center;
  justify-content: center;
}

.vs-pair span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 107, 0, 0.1);
  border: 1px solid rgba(255, 107, 0, 0.3);
  font-size: 12px;
  font-weight: 900;
  color: var(--primary);
}

/* ===== Solutions Section (Old Styles - kept for reference) ===== */

.pain-card {
  background: rgba(255, 107, 0, 0.04);
  border: 1px solid rgba(255, 107, 0, 0.12);
  border-radius: var(--radius-md);
  padding: 20px 20px;
  text-align: center;
  transition: all 0.3s ease;
}

.pain-card:hover {
  background: rgba(255, 107, 0, 0.08);
  border-color: rgba(255, 107, 0, 0.3);
  transform: translateY(-4px);
}

.pain-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  margin: 0 auto 16px;
  transition: all 0.3s;
}

.pain-icon svg {
  width: 28px;
  height: 28px;
  stroke: currentColor;
}

.pain-icon-1 {
  background: rgba(255, 80, 80, 0.15);
  color: #FF5050;
}
.pain-icon-2 {
  background: rgba(255, 120, 80, 0.15);
  color: #FF7850;
}
.pain-icon-3 {
  background: rgba(255, 160, 80, 0.15);
  color: #FFA050;
}
.pain-icon-4 {
  background: rgba(200, 80, 80, 0.15);
  color: #C85050;
}

.pain-card h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}

.pain-card p {
  font-size: 13px;
  color: var(--gray-400);
  line-height: 1.7;
  margin: 0;
}

.solutions-divider {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 32px 0 40px;
  position: relative;
}

.solutions-divider::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 107, 0, 0.3), transparent);
}

.solutions-divider span {
  position: relative;
  padding: 0 24px;
  background: var(--darker);
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-light);
  letter-spacing: 2px;
}

.solutions {
  background: transparent;
}

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

.solution-card {
  padding: 28px 24px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}
.solution-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.solution-card:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 107, 0, 0.3);
  background: rgba(255, 107, 0, 0.05);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}
.solution-card:hover::before { transform: scaleX(1); }

.solution-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  margin-bottom: 24px;
  transition: all 0.3s;
}
.solution-icon svg { width: 32px; height: 32px; color: var(--primary-light); }
.icon-1 { background: linear-gradient(135deg, rgba(255, 107, 0, 0.2), rgba(255, 140, 51, 0.1)); }
.icon-2 { background: linear-gradient(135deg, rgba(255, 140, 51, 0.2), rgba(255, 179, 102, 0.1)); }
.icon-3 { background: linear-gradient(135deg, rgba(255, 179, 102, 0.2), rgba(255, 107, 0, 0.1)); }
.icon-4 { background: linear-gradient(135deg, rgba(255, 107, 0, 0.15), rgba(255, 200, 130, 0.1)); }
.icon-5 { background: linear-gradient(135deg, rgba(255, 140, 51, 0.15), rgba(255, 107, 0, 0.1)); }
.icon-6 { background: linear-gradient(135deg, rgba(255, 179, 102, 0.15), rgba(255, 140, 51, 0.1)); }

.solution-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}
.solution-card p {
  font-size: 15px;
  color: var(--gray-400);
  line-height: 1.7;
}

/* ===== Advantage Section ===== */
.advantage {
  background: var(--dark);
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.advantage-card {
  padding: 40px 32px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  transition: all 0.4s ease;
  position: relative;
}
.advantage-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 107, 0, 0.3);
  box-shadow: 0 12px 40px rgba(255, 107, 0, 0.1);
}

.advantage-num {
  font-size: 42px;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
  line-height: 1;
}

.advantage-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}
.advantage-card p {
  font-size: 15px;
  color: var(--gray-400);
  line-height: 1.7;
}

/* ===== About + Centers Unified Wrapper ===== */
.about-centers-wrap {
  background:
    linear-gradient(180deg, rgba(255, 107, 0, 0.04) 0%, rgba(255, 107, 0, 0.02) 50%, rgba(255, 107, 0, 0.04) 100%),
    #000000;
  position: relative;
  overflow: hidden;
  border-top: 1px solid rgba(255, 107, 0, 0.15);
  border-bottom: 1px solid rgba(255, 107, 0, 0.15);
}
.about-centers-wrap::before {
  content: '';
  position: absolute;
  top: 5%;
  right: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 107, 0, 0.14) 0%, transparent 70%);
  filter: blur(100px);
  pointer-events: none;
}
.about-centers-wrap::after {
  content: '';
  position: absolute;
  bottom: 5%;
  left: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 107, 0, 0.10) 0%, transparent 70%);
  filter: blur(100px);
  pointer-events: none;
}
.about-centers-wrap .about {
  padding-bottom: 24px;
}
.about-centers-wrap .centers-section {
  padding-top: 24px;
}
.about-centers-wrap .centers-grid {
  margin-bottom: 24px;
}

/* ===== About Section ===== */
.about {
  background: transparent;
  position: relative;
  overflow: hidden;
}
.about::before {
  display: none;
}

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

.about-title {
  font-size: 42px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 24px;
}

.about-text {
  font-size: 16px;
  color: var(--gray-300);
  line-height: 1.9;
  margin-bottom: 20px;
  padding-left: 16px;
  border-left: 3px solid var(--primary);
  position: relative;
}
.about-text::before {
  content: '';
  position: absolute;
  left: -3px;
  top: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--primary) 0%, transparent 100%);
  border-radius: 2px;
}

.about-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 36px;
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
}
.about-feature:hover {
  border-color: rgba(255, 107, 0, 0.3);
  background: rgba(255, 107, 0, 0.05);
  transform: translateY(-2px);
}

.feature-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  background: linear-gradient(135deg, rgba(255, 107, 0, 0.15), rgba(255, 107, 0, 0.05));
  border: 1px solid rgba(255, 107, 0, 0.2);
  border-radius: var(--radius-sm);
}

.about-feature h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 4px;
}
.about-feature p {
  font-size: 13px;
  color: var(--gray-400);
  margin: 0;
  line-height: 1.5;
}

.about-visual { display: flex; justify-content: center; }

.about-image {
  width: 460px;
  height: 460px;
  background: linear-gradient(145deg, rgba(255, 107, 0, 0.1), rgba(255, 107, 0, 0.02));
  border: 1px solid rgba(255, 107, 0, 0.2);
  border-radius: var(--radius-xl);
  padding: 48px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(255, 107, 0, 0.15) 0%, transparent 60%);
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  position: relative;
  z-index: 1;
}

.about-stat {
  padding: 24px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  text-align: center;
  transition: all 0.3s;
}
.about-stat:hover {
  border-color: rgba(255, 107, 0, 0.4);
  transform: translateY(-4px);
}

.stat-big {
  font-size: 36px;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.stat-small {
  font-size: 14px;
  color: var(--gray-400);
  margin-top: 8px;
}

/* ===== Centers & Golden Triangle Section ===== */
.centers-section {
  background: transparent;
  position: relative;
  overflow: hidden;
}
.centers-section::before {
  display: none;
}

.centers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 36px;
  position: relative;
  z-index: 1;
}

.center-card {
  padding: 28px 24px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}
.center-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.center-card:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 107, 0, 0.3);
  background: rgba(255, 107, 0, 0.05);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}
.center-card:hover::before { transform: scaleX(1); }

.center-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.center-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
}
.center-icon svg { width: 28px; height: 28px; }

.center-1 .center-icon { background: linear-gradient(135deg, rgba(255, 107, 0, 0.2), rgba(255, 140, 51, 0.1)); color: #FF6B00; }
.center-2 .center-icon { background: linear-gradient(135deg, rgba(255, 140, 51, 0.2), rgba(255, 179, 102, 0.1)); color: #FF8C33; }
.center-3 .center-icon { background: linear-gradient(135deg, rgba(255, 179, 102, 0.2), rgba(255, 107, 0, 0.1)); color: #FFB366; }

.center-tag {
  padding: 4px 12px;
  background: rgba(255, 107, 0, 0.12);
  border: 1px solid rgba(255, 107, 0, 0.25);
  border-radius: 100px;
  color: var(--primary-light);
  font-size: 12px;
  font-weight: 600;
}

.center-name {
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.center-position {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  padding: 10px 16px;
  background: rgba(255, 107, 0, 0.06);
  border-radius: var(--radius-sm);
}

.position-label {
  font-size: 12px;
  color: var(--gray-500);
  font-weight: 500;
  padding: 2px 8px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
}

.position-text {
  font-size: 14px;
  color: var(--primary-light);
  font-weight: 600;
}

.center-desc {
  font-size: 14px;
  color: var(--gray-400);
  line-height: 1.8;
}

/* Golden Triangle */
.golden-triangle {
  max-width: 1000px;
  margin: 0 auto 64px;
  padding: 56px;
  background: linear-gradient(135deg, rgba(255, 107, 0, 0.1), rgba(255, 107, 0, 0.02));
  border: 1px solid rgba(255, 107, 0, 0.25);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: visible;
}
.golden-triangle::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
}

.triangle-glow {
  position: absolute;
  bottom: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 107, 0, 0.15) 0%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
}

.triangle-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.triangle-badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--primary);
  margin-bottom: 12px;
}

.triangle-title {
  font-size: 30px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.triangle-desc {
  font-size: 16px;
  color: var(--gray-300);
  line-height: 1.8;
}

.triangle-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.triangle-svg {
  width: 100%;
  max-width: 300px;
  height: auto;
  overflow: visible;
}

.tri-dash {
  animation: tri-rotate 20s linear infinite;
  transform-origin: 200px 180px;
}
@keyframes tri-rotate {
  to { transform: rotate(360deg); }
}

.triangle-center-text {
  position: absolute;
  top: 58%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  pointer-events: none;
}
.tc-icon {
  font-size: 24px;
  color: var(--primary);
  text-shadow: 0 0 15px rgba(255, 107, 0, 0.6);
  margin-bottom: 4px;
}
.tc-text {
  font-size: 12px;
  color: var(--primary-light);
  font-weight: 600;
  white-space: nowrap;
}

/* ===== CTA Section ===== */
.cta-section {
  background: var(--dark);
  padding: 80px 0;
}

.cta-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 64px;
  background: linear-gradient(135deg, rgba(255, 107, 0, 0.15), rgba(255, 107, 0, 0.05));
  border: 1px solid rgba(255, 107, 0, 0.25);
  border-radius: var(--radius-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-inner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 107, 0, 0.2) 0%, transparent 70%);
  filter: blur(60px);
}
.cta-inner > * { position: relative; z-index: 1; }

.cta-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}
.cta-desc {
  font-size: 17px;
  color: var(--gray-300);
  margin-bottom: 32px;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== Footer ===== */
.footer {
  background: var(--dark);
  padding: 72px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-col h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 20px;
}

.footer-desc {
  font-size: 14px;
  color: var(--gray-400);
  line-height: 1.8;
  margin: 16px 0 24px;
}

.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col ul li {
  font-size: 14px;
  color: var(--gray-400);
  line-height: 1.8;
}
.footer-col ul li a {
  transition: color 0.3s;
}
.footer-col ul li a:hover { color: var(--primary-light); }

.contact-label {
  color: var(--gray-300);
  font-weight: 500;
}

.footer-social {
  display: flex;
  gap: 12px;
}
.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  color: var(--gray-400);
  transition: all 0.3s;
}
.social-link:hover {
  background: rgba(255, 107, 0, 0.15);
  border-color: rgba(255, 107, 0, 0.4);
  color: var(--primary-light);
  transform: translateY(-2px);
}
.social-link svg { width: 20px; height: 20px; }

.footer-bottom {
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  text-align: center;
  font-size: 14px;
  color: var(--gray-500);
}

/* ===== Back to Top ===== */
.back-to-top {
  position: fixed;
  bottom: 40px;
  right: 40px;
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(255, 107, 0, 0.4);
  z-index: 999;
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}
.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(255, 107, 0, 0.6);
}
.back-to-top svg { width: 20px; height: 20px; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-title { font-size: 44px; }
  .hero-device { width: 320px; height: 480px; }
  .solution-grid, .advantage-grid { grid-template-columns: repeat(2, 1fr); }
  .about-features { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .about-feature:nth-child(3) { grid-column: span 2; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-inner { grid-template-columns: 1fr; gap: 48px; }
  .about-title { font-size: 32px; text-align: center; }
  .about-content .section-tag { margin: 0 auto 16px; }
  .about-image { width: 100%; max-width: 400px; margin: 0 auto; }
  .product-detail { grid-template-columns: 1fr; }
  .product-visual { order: -1; }
}

@media (max-width: 768px) {
  /* 零售价：手机端隐藏表格，显示卡片 */
  .pricing-table { display: none; }
  .pricing-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin: 28px auto 0;
    max-width: 420px;
  }
  .pricing-cards + .pricing-notes {
    margin-top: 36px;
  }
  .pricing-card:last-child {
    grid-column: span 2;
  }
  .pricing-card {
    padding: 18px 14px;
  }
  .pricing-card-value {
    font-size: 24px;
  }
  .pricing-card-special {
    background: linear-gradient(135deg, rgba(255, 107, 0, 0.12) 0%, rgba(255, 150, 50, 0.06) 100%);
    border: 1px dashed rgba(255, 107, 0, 0.4);
  }

  .nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(6, 9, 18, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }
  .nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .menu-toggle { display: flex; }
  .menu-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .menu-toggle.open span:nth-child(2) { opacity: 0; }
  .menu-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

  .logo-sub { display: none; }
  .header-actions .btn { display: none; }

  .hero { padding-top: 72px; min-height: auto; }
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 40px 0 60px;
    text-align: center;
  }
  .hero-content { max-width: 100%; }
  .hero-title { font-size: 36px; }
  .hero-actions { justify-content: center; }
  .hero-stats {
    justify-content: center;
    gap: 16px;
  }
  .stat-num { font-size: 24px; }
  .stat-suffix { font-size: 16px; }
  .stat-label { font-size: 12px; }
  .hero-visual { display: none; }

  .section { padding: 64px 0; }
  .section-title { font-size: 30px; }
  .section-desc { font-size: 15px; }
  .section-header { margin-bottom: 40px; }
  .section-tag { font-size: 13px; }

  .tab-nav { gap: 8px; flex-wrap: wrap; }
  .tab-btn { padding: 10px 18px; font-size: 13px; }

  .product-name { font-size: 28px; }
  .hero-device { display: none; }

  /* 移动端：产品详情改为单列布局，视觉卡片居中显示 */
  .product-detail {
    display: flex;
    flex-direction: column;
    gap: 30px;
    align-items: center;
  }
  .product-info {
    width: 100%;
    text-align: left;
  }
  .product-visual {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
  }

  .feature-groups { grid-template-columns: 1fr; gap: 12px; }
  .feature-group { padding: 14px 16px; }
  .feature-group-title { font-size: 15px; margin-bottom: 8px; padding-bottom: 8px; }
  .feature-group .product-features li { font-size: 12px; padding: 3px 0; }
  
  .visual-card { width: 300px; height: 300px; }
  
  /* AI Card mobile */
  .center-ring-outer { width: 75px; height: 75px; }
  .center-ring-inner { width: 60px; height: 60px; }
  .center-core { width: 48px; height: 48px; font-size: 16px; }
  .center-label { font-size: 9px; letter-spacing: 1px; }
  
  .node-icon { width: 34px; height: 34px; }
  .node-icon svg { width: 17px; height: 17px; }
  .node-label { font-size: 10px; }
  
  .visual-card-1 .node.n-1 { top: 5%; }
  .visual-card-1 .node.n-2 { top: 22%; right: 4%; }
  .visual-card-1 .node.n-3 { bottom: 22%; right: 4%; }
  .visual-card-1 .node.n-4 { bottom: 5%; }
  .visual-card-1 .node.n-5 { bottom: 22%; left: 4%; }
  .visual-card-1 .node.n-6 { top: 22%; left: 4%; }
  .visual-card-1 .node.n-7 { bottom: 0%; left: 18%; }
  
  /* AI Card mobile */
  .visual-card-1.ai-redesign { padding: 16px; gap: 10px; }
  .ai-logo { width: 56px; height: 56px; border-radius: 14px; }
  .ai-logo svg { width: 30px; height: 30px; }
  .ai-logo-ring { width: 70px; height: 70px; }
  .ai-center-label { font-size: 12px; }
  .platform-tag { font-size: 10px; padding: 2px 8px; }
  .ai-tool-card { padding: 9px 12px; gap: 10px; }
  .ai-tool-icon { width: 32px; height: 32px; }
  .ai-tool-icon svg { width: 18px; height: 18px; }
  .ai-tool-name { font-size: 13px; }
  .ai-tool-desc { font-size: 10px; }
  .ai-stats-bar { padding: 10px 8px; }
  .ai-stat-value { font-size: 15px; }
  .ai-stat-lbl { font-size: 10px; }
  .ai-stat-sep { height: 24px; }

  /* IP Card mobile */
  .visual-card-3.ip-redesign { padding: 16px; gap: 12px; }
  .ip-logo { width: 56px; height: 56px; border-radius: 14px; }
  .ip-logo svg { width: 30px; height: 30px; }
  .ip-logo-ring { width: 70px; height: 70px; }
  .ip-center-label { font-size: 12px; }
  .ip-tool-card { padding: 10px 12px; gap: 10px; }
  .tool-card-icon { width: 32px; height: 32px; }
  .tool-card-icon svg { width: 18px; height: 18px; }
  .tool-card-name { font-size: 13px; }
  .tool-card-desc { font-size: 10px; }
  .ip-stats-bar { padding: 10px 8px; }
  .stat-value { font-size: 15px; }
  .stat-lbl { font-size: 10px; }
  .stat-sep { height: 24px; }

  .pricing-table { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .pricing-header, .pricing-row {
    grid-template-columns: minmax(60px, 1.2fr) repeat(5, minmax(55px, 1fr));
    min-width: 360px;
  }
  .pricing-cell { padding: 14px 6px; font-size: 12px; text-align: center; }
  .pricing-label { padding-left: 8px; font-size: 12px; text-align: left; }
  .pricing-row .price { font-size: 14px; }
  .section-divider { width: 40px; }

  .solution-grid, .advantage-grid { grid-template-columns: 1fr; }
  .centers-grid { grid-template-columns: 1fr; }
  .triangle-content { grid-template-columns: 1fr; gap: 32px; }
  .golden-triangle { padding: 32px 24px; }
  .triangle-title { font-size: 24px; }

  .about-features { grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 28px; }
  .about-feature:nth-child(3) { grid-column: span 2; }
  .about-feature { padding: 16px 14px; gap: 12px; }
  .feature-icon { width: 40px; height: 40px; font-size: 20px; }
  .about-feature h4 { font-size: 15px; }
  .about-feature p { font-size: 12px; }
  .about-title { font-size: 28px; margin-bottom: 20px; text-align: center; }
  .about-text { font-size: 14px; line-height: 1.8; margin-bottom: 16px; padding-left: 14px; }
  .about-stats { grid-template-columns: 1fr 1fr; gap: 16px; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; padding-bottom: 32px; }

  .cta-inner { padding: 40px 24px; }
  .cta-title { font-size: 26px; }

  .pricing-notes { flex-direction: column; gap: 16px; }

  .pricing-custom {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 32px 24px;
  }
  .custom-title { font-size: 22px; }
  .custom-features { grid-template-columns: 1fr; }
  .custom-action { padding: 24px 16px; }

  .center-card { padding: 24px 20px; }
  .center-icon { width: 48px; height: 48px; }
  .center-name { font-size: 20px; }
  .center-desc { font-size: 14px; }

  .back-to-top { bottom: 20px; right: 20px; width: 40px; height: 40px; }

  .pain-points { grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 24px; }
  .pain-card { padding: 24px 20px; }
  .pain-icon { width: 48px; height: 48px; margin-bottom: 12px; }
  .pain-icon svg { width: 24px; height: 24px; }
  .pain-card h4 { font-size: 15px; margin-bottom: 8px; }
  .pain-card p { font-size: 12px; line-height: 1.6; }

  .features-grid { grid-template-columns: 1fr; gap: 24px; margin-top: 32px; }
  .feature-block { padding: 28px; }
  .feature-block-num { font-size: 36px; margin-bottom: 16px; }
  .feature-block-icon { width: 52px; height: 52px; }
  .feature-block-icon svg { width: 26px; height: 26px; }
  .feature-block-title { font-size: 20px; }
  .feature-block-desc { font-size: 14px; line-height: 1.7; }

  .comparison-banner { padding: 10px 32px; margin-top: 12px; }
  .comparison-banner span { font-size: 15px; letter-spacing: 2px; }
  .comparison-grid { flex-direction: column; align-items: center; gap: 0; margin-top: 32px; }
  .comparison-card { max-width: 100%; width: 100%; }
  .comparison-divider {
    padding: 0;
    height: 60px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    margin-bottom: 20px;
  }
  .comparison-divider::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 120px);
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    top: 50%;
  }
  .vs-badge {
    width: 50px;
    height: 50px;
    font-size: 16px;
    position: relative;
    z-index: 1;
    background: var(--bg-dark);
  }
  .comparison-summary { margin-top: 32px; padding: 28px 24px; }
  .comparison-summary h3 { font-size: 18px; margin-bottom: 16px; }
  .summary-text { font-size: 14px; line-height: 1.9; }

  .section-desc-row { flex-direction: column; gap: 12px; }
  .desc-col { max-width: 100%; }
  .pain-solution-layout {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 32px;
  }

  /* 手机端：所有痛点放一起，VS 在中间，所有解决方案放一起 */
  .pain-solution-layout .pain-label {
    grid-column: 1;
    order: 1;
  }
  .pain-solution-layout .pain-item {
    grid-column: 1;
    order: 2;
  }
  .pain-solution-layout .vs-divider {
    grid-column: 1;
    grid-row: auto;
    order: 3;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    margin: 12px 0;
  }
  .pain-solution-layout .vs-divider::before {
    display: block;
    top: 50%;
    bottom: auto;
    height: 1px;
    width: calc(50% - 30px);
    left: 0;
    transform: translateY(-50%);
    background: linear-gradient(90deg, transparent, rgba(255, 107, 0, 0.35));
  }
  .pain-solution-layout .vs-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    height: 1px;
    width: calc(50% - 30px);
    background: linear-gradient(270deg, transparent, rgba(255, 107, 0, 0.35));
  }
  .pain-solution-layout .solution-label {
    grid-column: 1;
    order: 4;
  }
  .pain-solution-layout .solution-item {
    grid-column: 1;
    order: 5;
  }
  .vs-circle {
    width: 50px;
    height: 50px;
    font-size: 16px;
  }
  .vs-pair { height: 40px; }
  .vs-pair span { width: 32px; height: 32px; font-size: 11px; }
  .side-label { font-size: 16px; padding-bottom: 16px; margin-bottom: 0; }
  .pain-item,
  .solution-item { padding: 16px; }
  .pain-item-content h4,
  .solution-item-content h4 { font-size: 15px; }
  .pain-item-content p,
  .solution-item-content p { font-size: 12px; }

  .tech-grid { grid-template-columns: 1fr; gap: 20px; margin-top: 28px; }
  .tech-card { padding: 28px 24px; }
  .tech-card-icon { width: 52px; height: 52px; margin-bottom: 20px; }
  .tech-card-icon svg { width: 26px; height: 26px; }
  .tech-card h3 { font-size: 18px; margin-bottom: 12px; }
  .tech-card p { font-size: 13px; line-height: 1.8; }
  .tech-banner { padding: 10px 28px; font-size: 15px; margin-top: 16px; }

  .services-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 28px; }
  .service-card { padding: 24px 20px; }
  .service-card-icon { width: 48px; height: 48px; margin-bottom: 16px; }
  .service-card-icon svg { width: 24px; height: 24px; }
  .service-card h3 { font-size: 16px; margin-bottom: 10px; }
  .service-card p { font-size: 13px; line-height: 1.7; }
  .services-banner { padding: 10px 28px; font-size: 15px; margin-top: 16px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 28px; }
  .section { padding: 48px 0; }
  .section-title { font-size: 24px; line-height: 1.3; }

  /* 黄金三角 - 小屏适配 */
  .golden-triangle { padding: 28px 20px; overflow: visible; }
  .triangle-svg { max-width: 220px; }
  .section-desc { font-size: 14px; padding: 0 4px; }
  .section-tag { font-size: 12px; padding: 4px 12px; }
  .section-header { margin-bottom: 32px; }
  .section-divider { width: 32px; }
  .btn { padding: 10px 20px; font-size: 14px; }
  .btn-lg { padding: 12px 28px; font-size: 15px; min-width: 132px; }
  .hero-actions { gap: 12px; }
  .hero-stats { flex-direction: row; flex-wrap: nowrap; justify-content: center; gap: 10px; }
  .stat-divider { height: 24px; }
  .stat-num { font-size: 22px; }
  .stat-suffix { font-size: 14px; }
  .stat-label { font-size: 11px; white-space: nowrap; }
  .stat-item { min-width: 0; flex: 1; }
  .about-stats { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .about-stat { padding: 16px 10px; border-radius: 12px; }
  .stat-big { font-size: 26px; }
  .stat-small { font-size: 11px; }
  .about-image { width: 100%; max-width: 340px; height: auto; aspect-ratio: 1 / 1; padding: 20px; border-radius: 20px; }
  .about-title { font-size: 24px; }
  .about-text { font-size: 13px; line-height: 1.75; padding-left: 12px; }
  .about-features { gap: 10px; margin-top: 24px; }
  .about-feature { padding: 14px 12px; gap: 10px; }
  .feature-icon { width: 36px; height: 36px; font-size: 18px; }
  .about-feature h4 { font-size: 14px; }
  .about-feature p { font-size: 11px; }

  .tab-nav { gap: 6px; }
  .tab-btn { padding: 8px 14px; font-size: 12px; }
  .product-name { font-size: 22px; }
  .product-desc { font-size: 13px; }
  
  /* 480px: 视觉卡片缩小并居中 */
  .product-detail {
    display: flex;
    flex-direction: column;
    gap: 24px;
    align-items: center;
  }
  .product-info { width: 100%; }
  .product-visual {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
  }
  .visual-card { width: 260px; height: 260px; }
  
  /* 480px: 同步缩小卡片内部元素 */
  .center-ring-outer { width: 70px; height: 70px; }
  .center-ring-inner { width: 56px; height: 56px; }
  .center-core { width: 44px; height: 44px; font-size: 15px; }
  .center-label { font-size: 8px; }
  .node-icon { width: 32px; height: 32px; }
  .node-icon svg { width: 16px; height: 16px; }
  .node-label { font-size: 9px; }
  
  .phone-mockup { width: 56px; height: 70px; }
  .phone-emoji { font-size: 16px; }
  .phone-text { font-size: 12px; }
  .ip-glow-ring { width: 100px; height: 100px; }
  .ip-tool-node .tool-icon { width: 30px; height: 30px; }
  .ip-tool-node .tool-icon svg { width: 15px; height: 15px; }
  .ip-tool-node span { font-size: 9px; }
  .ip-stats .stat-num { font-size: 11px; }
  .ip-stats .stat-desc { font-size: 8px; }

  .pricing-table { overflow-x: auto; }
  .pricing-header, .pricing-row {
    grid-template-columns: minmax(55px, 1.3fr) repeat(5, minmax(50px, 1fr));
    min-width: 340px;
  }
  .pricing-cell { padding: 10px 4px; font-size: 11px; }
  .pricing-label { padding-left: 6px; font-size: 11px; }
  .pricing-row .price { font-size: 13px; }
  .pricing-notes { gap: 10px; }
  .pricing-notes .note-item { font-size: 12px; }
  .pricing-custom { padding: 20px 16px; }
  .custom-title { font-size: 20px; }
  .custom-price { font-size: 22px; }

  .cta-section { padding: 48px 0; }
  .cta-title { font-size: 24px; }
  .cta-desc { font-size: 14px; }

  .center-card { padding: 20px 16px; }
  .center-icon { width: 44px; height: 44px; }
  .center-name { font-size: 18px; }
  .center-desc { font-size: 13px; }
  .center-position { font-size: 12px; }
  .position-label { font-size: 11px; }

  .pain-points { grid-template-columns: 1fr; gap: 14px; margin-top: 20px; }
  .pain-card { padding: 20px 16px; display: flex; align-items: center; gap: 16px; text-align: left; }
  .pain-icon { width: 44px; height: 44px; margin: 0 0 0 0; flex-shrink: 0; }
  .pain-icon svg { width: 22px; height: 22px; }
  .pain-card h4 { font-size: 14px; margin-bottom: 4px; }
  .pain-card p { font-size: 12px; line-height: 1.5; }

  .features-grid { gap: 20px; }
  .feature-block { padding: 24px 20px; }
  .feature-block-num { font-size: 32px; margin-bottom: 12px; }
  .feature-block-icon { width: 48px; height: 48px; }
  .feature-block-icon svg { width: 24px; height: 24px; }
  .feature-block-title { font-size: 18px; }
  .feature-block-desc { font-size: 13px; line-height: 1.6; }

  .comparison-banner { padding: 8px 24px; }
  .comparison-banner span { font-size: 14px; letter-spacing: 1px; }
  .comparison-card-header { padding: 24px 20px; }
  .comparison-card-header h3 { font-size: 18px; }
  .comparison-card-body { padding: 24px 20px; }
  .comparison-price .amount { font-size: 36px; }
  .comparison-price .currency { font-size: 18px; }
  .comparison-price .unit { font-size: 14px; }
  .comparison-divider { height: 50px; }
  .comparison-divider::before { width: calc(100% - 100px); }
  .vs-badge { width: 44px; height: 44px; font-size: 14px; }
  .comparison-summary { padding: 24px 20px; }
  .comparison-summary h3 { font-size: 16px; }
  .summary-text { font-size: 13px; line-height: 1.8; }

  /* 行业解决方案 - 小屏进一步紧凑 */
  .pain-solution-layout .vs-divider { height: 50px; margin: 8px 0; }
  .pain-solution-layout .vs-divider::before { width: calc(50% - 25px); }
  .pain-solution-layout .vs-divider::after { width: calc(50% - 25px); }
  .pain-solution-layout .vs-circle { width: 44px; height: 44px; font-size: 14px; }

  .pain-item { padding: 16px; gap: 12px; }
  .pain-item-icon { width: 40px; height: 40px; }
  .pain-item-icon svg { width: 20px; height: 20px; }
  .pain-item-content h4 { font-size: 15px; margin-bottom: 6px; }
  .pain-item-content p { font-size: 12px; line-height: 1.6; }
  .showcase-card { padding: 24px 20px; }
  .showcase-title { font-size: 16px; line-height: 1.5; }
  .showcase-btn { padding: 10px 24px; font-size: 14px; }
  .showcase-feature { padding: 14px 16px; gap: 12px; }
  .feature-icon-wrap { width: 38px; height: 38px; }
  .feature-icon-wrap svg { width: 18px; height: 18px; }
  .feature-content h4 { font-size: 14px; margin-bottom: 4px; }
  .feature-content p { font-size: 12px; line-height: 1.6; }
  .desc-col-title { font-size: 14px; padding: 10px 20px; }

  .pain-solution-layout { gap: 12px; margin-top: 24px; }
  .side-label { font-size: 15px; }
  .vs-divider { height: 36px; }
  .vs-circle { width: 44px; height: 44px; font-size: 14px; }
  .vs-pair { height: 36px; }
  .vs-pair span { width: 28px; height: 28px; font-size: 10px; }
  .pain-item,
  .solution-item { padding: 14px; gap: 12px; }
  .pain-item-icon,
  .solution-item-icon { width: 38px; height: 38px; }
  .pain-item-icon svg,
  .solution-item-icon svg { width: 18px; height: 18px; }
  .pain-item-content h4,
  .solution-item-content h4 { font-size: 14px; margin-bottom: 4px; }
  .pain-item-content p,
  .solution-item-content p { font-size: 12px; line-height: 1.6; }

  .services-grid { grid-template-columns: 1fr; gap: 16px; margin-top: 24px; }
  .service-card { padding: 20px 16px; }
  .service-card-icon { width: 44px; height: 44px; margin-bottom: 14px; }
  .service-card-icon svg { width: 22px; height: 22px; }
  .service-card h3 { font-size: 15px; margin-bottom: 8px; }
  .service-card p { font-size: 12px; line-height: 1.6; }
  .services-banner { padding: 8px 20px; font-size: 13px; margin-top: 12px; }
}

/* ===== Scroll Reveal Animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}