/* ============================================
   2027AI旗舰版 - 首页样式
   ============================================ */

/* --- Particles Canvas --- */
#particlesCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.3;
}

/* ==================== HERO ==================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
  background: var(--bg-deep);
}

.hero-product-bg {
  position: absolute;
  right: -5%;
  top: 10%;
  width: 45%;
  height: 80%;
  z-index: 0;
  pointer-events: none;
}

.hero-product-bg img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: right center;
  opacity: 0.15;
  filter: blur(2px);
}

.hero-product-bg .product-bg-1 {
  position: absolute;
  right: 0;
  top: 5%;
  width: 50%;
  opacity: 0.25;
  animation: float 8s ease-in-out infinite;
}

.hero-product-bg .product-bg-2 {
  position: absolute;
  right: 15%;
  bottom: 10%;
  width: 35%;
  opacity: 0.2;
  animation: float 10s ease-in-out infinite reverse;
}

.hero-product-bg .product-bg-3 {
  position: absolute;
  left: -5%;
  top: 30%;
  width: 30%;
  opacity: 0.15;
  animation: float 12s ease-in-out infinite 2s;
}

/* Decorative leaves pattern */
.hero-pattern {
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(0,179,126,0.04) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0,136,224,0.03) 0%, transparent 50%),
    radial-gradient(circle at 50% 80%, rgba(0,179,126,0.03) 0%, transparent 50%);
  pointer-events: none;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(0,179,126,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,179,126,0.04) 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%);
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}

.hero-glow-1 {
  top: -15%;
  left: -5%;
  width: 600px;
  height: 600px;
  background: rgba(0,179,126,0.08);
  animation: float 8s ease-in-out infinite;
}

.hero-glow-2 {
  bottom: -10%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: rgba(0,136,224,0.05);
  animation: float 10s ease-in-out infinite reverse;
}

.hero-glow-3 {
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(0,179,126,0.03) 0%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 24px;
  background: rgba(0,179,126,0.1);
  border: 1px solid rgba(0,179,126,0.2);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 32px;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  animation: pulse-dot 2s ease-in-out infinite;
}

.hero-title {
  font-size: clamp(2.8rem, 5.5vw, 4.5rem);
  font-weight: 900;
  line-height: 1.05;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
  color: #0F172A;
}

.hero-title-sub {
  font-size: clamp(1.4rem, 2.8vw, 2.2rem);
  font-weight: 700;
  display: block;
  margin-top: 8px;
}

.hero-desc {
  font-size: 1.125rem;
  color: #475569;
  line-height: 1.85;
  max-width: 600px;
  margin-bottom: 40px;
  font-weight: 400;
}

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

/* Hero Stats */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  margin-top: 80px;
  padding: 32px 40px;
  background: rgba(255,255,255,0.85);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--radius-2xl);
  backdrop-filter: blur(20px);
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
}

.hero-stat {
  flex: 1;
  text-align: center;
  padding: 8px 16px;
}

.hero-stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  font-family: var(--font-sans);
  letter-spacing: -0.02em;
}

.hero-stat-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.hero-stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(0,0,0,0.06);
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: bounce-down 2s ease-in-out infinite;
  z-index: 2;
}

@keyframes bounce-down {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ==================== PRODUCTS ==================== */
.products-section {
  padding: var(--section-padding);
  background: var(--bg-white);
  position: relative;
  z-index: 1;
}

.products-grid {
  display: flex;
  flex-direction: column;
  gap: 80px;
}

.product-card {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: var(--transition-normal);
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
  border: 1px solid rgba(0,0,0,0.04);
  min-height: 520px;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 64px rgba(0,0,0,0.10);
  border-color: rgba(0,179,126,0.12);
}

.product-card-bg-deco {
  display: none;
}

.product-card-image {
  position: relative;
  height: 100%;
  min-height: 520px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(0,179,126,0.08) 0%, rgba(0,179,126,0.02) 50%, rgba(0,136,224,0.03) 100%);
}

.product-card-image::after {
  content: '';
  position: absolute;
  top: -30%;
  right: -20%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0,179,126,0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.product-card-image img {
  width: 90%;
  height: 90%;
  object-fit: contain;
  padding: 20px;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  filter: drop-shadow(0 8px 24px rgba(0,0,0,0.08));
}

.product-card:hover .product-card-image img {
  transform: scale(1.03);
}

.product-card-tags {
  position: absolute;
  top: 24px;
  left: 24px;
  display: flex;
  gap: 10px;
  z-index: 2;
}

.product-tag {
  padding: 7px 20px;
  background: rgba(255,255,255,0.95);
  border: none;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  backdrop-filter: blur(8px);
  letter-spacing: 0.03em;
}

.product-tag-gold {
  background: rgba(255,255,255,0.95);
  color: #B8860B;
}

.product-card-body {
  padding: 48px 48px 48px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--bg-white);
}

.product-card-body h3 {
  font-size: 2rem;
  font-weight: 800;
  color: #0F172A;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.product-card-body h3::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 2px;
  margin-top: 16px;
}

.product-card-desc {
  font-size: 1.05rem;
  color: #334155;
  line-height: 1.8;
  margin-bottom: 28px;
  font-weight: 400;
}

.product-card-specs {
  display: flex;
  gap: 0;
  padding: 20px 0;
  border-top: 1px solid rgba(0,179,126,0.1);
  border-bottom: 1px solid rgba(0,179,126,0.1);
  margin-bottom: 32px;
  background: rgba(0,179,126,0.02);
  border-radius: 0;
}

.spec-item {
  flex: 1;
  text-align: center;
  position: relative;
  padding: 4px 0;
}

.spec-item + .spec-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 32px;
  background: rgba(0,179,126,0.15);
}

.spec-label {
  display: block;
  font-size: 0.75rem;
  color: var(--primary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}

.spec-value {
  font-size: 1rem;
  font-weight: 700;
  color: #0F172A;
}

.product-card-actions {
  display: flex;
  gap: 12px;
}

.product-card-actions .btn-primary {
  flex: 1;
  justify-content: center;
  padding: 18px 28px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
}

.product-card-actions .btn-ghost {
  flex-shrink: 0;
  padding: 18px 28px;
  font-size: 1rem;
  font-weight: 500;
  color: #475569;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-md);
  transition: var(--transition-normal);
}

.product-card-actions .btn-ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(0,179,126,0.04);
}

/* Reverse layout for second product card */
.product-card-reverse {
  grid-template-columns: 0.8fr 1.2fr;
}

.product-card-reverse .product-card-body {
  padding: 48px 40px 48px 48px;
}

/* ==================== SHOWROOM ==================== */
.showroom-section {
  padding: var(--section-padding);
  background: var(--bg-light);
  position: relative;
  z-index: 1;
}

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

.showroom-card {
  position: relative;
  background: var(--bg-white);
  border: 1px solid rgba(0,0,0,0.04);
  border-radius: var(--radius-xl);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition-normal);
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.showroom-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0,179,126,0.12);
  box-shadow: 0 16px 40px rgba(0,0,0,0.08);
}

.showroom-card-visual {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.showroom-card-icon {
  position: relative;
  z-index: 1;
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.85);
  border-radius: 50%;
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  transition: var(--transition-normal);
}

.showroom-card:hover .showroom-card-icon {
  transform: scale(1.1);
  box-shadow: 0 8px 24px rgba(0,0,0,0.10);
}

.showroom-card-content {
  padding: 24px 28px 28px;
}

.showroom-card-number {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
  padding: 3px 12px;
  background: rgba(0,179,126,0.08);
  border-radius: var(--radius-full);
}

.showroom-card-content h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.showroom-card-content p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.showroom-card-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.showroom-card-features span {
  font-size: 0.8rem;
  color: var(--text-muted);
  padding: 4px 12px;
  background: var(--bg-section);
  border-radius: var(--radius-full);
}

/* ==================== SHOWROOM PREVIEW ==================== */
.showroom-preview-section {
  padding: var(--section-padding);
  background: var(--bg-white);
  position: relative;
  overflow: hidden;
}

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

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

.showroom-preview-content .section-tag {
  margin-bottom: 16px;
}

.showroom-preview-content h2 {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.2;
}

.showroom-preview-content p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 32px;
}

.showroom-preview-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 36px;
}

.preview-feature {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg-section);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0,0,0,0.04);
  transition: var(--transition-normal);
}

.preview-feature:hover {
  border-color: rgba(0,179,126,0.1);
  transform: translateX(4px);
}

.preview-feature-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.preview-feature div strong {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  display: block;
  margin-bottom: 2px;
}

.preview-feature div p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* Preview Visual */
.showroom-preview-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preview-visual-container {
  position: relative;
  width: 420px;
  height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preview-orb-main {
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, rgba(0,179,126,0.08), rgba(0,136,224,0.08), rgba(124,92,252,0.08), rgba(0,179,126,0.08));
  animation: spin 12s linear infinite;
  position: relative;
}

.preview-orb-ring {
  position: absolute;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  border: 1px solid rgba(0,179,126,0.08);
  animation: spin 20s linear infinite reverse;
}

.preview-floating-icons {
  position: absolute;
  inset: 0;
}

.pf-icon {
  position: absolute;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  background: var(--bg-white);
  border-radius: 50%;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  animation: float 6s ease-in-out infinite;
}

.pf-icon-1 { top: 10%; left: 10%; animation-delay: 0s; }
.pf-icon-2 { top: 15%; right: 15%; animation-delay: 1s; }
.pf-icon-3 { bottom: 15%; left: 15%; animation-delay: 2s; }
.pf-icon-4 { bottom: 10%; right: 10%; animation-delay: 1.5s; }
.pf-icon-5 { top: 50%; left: 0%; animation-delay: 0.5s; }

.preview-ai-badge {
  position: absolute;
  bottom: 20px;
  right: 20px;
  padding: 8px 16px;
  background: var(--primary);
  color: white;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(0,179,126,0.25);
}

/* ==================== STRENGTH ==================== */
.strength-section {
  padding: var(--section-padding);
  background: var(--bg-light);
  position: relative;
}

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

.strength-card {
  padding: 28px 24px;
  background: var(--bg-white);
  border: 1px solid rgba(0,0,0,0.04);
  border-radius: var(--radius-lg);
  transition: var(--transition-normal);
}

.strength-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,179,126,0.1);
  box-shadow: 0 8px 24px rgba(0,0,0,0.05);
}

.strength-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  background: rgba(0,179,126,0.08);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
}

.strength-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.strength-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==================== CULTURE ==================== */
.culture-section {
  padding: var(--section-padding);
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  position: relative;
  color: #FFFFFF;
}

.culture-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(circle at 20% 30%, rgba(0,179,126,0.06) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(0,136,224,0.04) 0%, transparent 50%);
  pointer-events: none;
}

.culture-section .section-header {
  position: relative;
  z-index: 1;
}

.culture-section .section-header h2 {
  color: #FFFFFF;
  font-size: clamp(2.2rem, 4.5vw, 3.2rem);
  font-weight: 900;
  line-height: 1.1;
}

.culture-section .section-tag {
  color: var(--primary);
  border-color: rgba(0,179,126,0.3);
  background: rgba(0,179,126,0.1);
}

.culture-section .section-desc {
  color: rgba(255,255,255,0.8);
  font-size: 1.125rem;
  font-weight: 400;
}

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

.culture-card {
  padding: 40px 32px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-xl);
  text-align: center;
  transition: var(--transition-normal);
}

.culture-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(0,179,126,0.3);
  transform: translateY(-4px);
}

.culture-card-number {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
  padding: 5px 16px;
  background: rgba(0,179,126,0.15);
  display: inline-block;
  border-radius: var(--radius-full);
}

.culture-card h4 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: #FFFFFF;
}

.culture-card p {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
}

/* ==================== NEWS ==================== */
.news-section {
  padding: var(--section-padding);
  background: var(--bg-white);
  position: relative;
}

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

.news-card {
  background: var(--bg-white);
  border: 1px solid rgba(0,0,0,0.04);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-normal);
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.08);
  border-color: rgba(0,179,126,0.1);
}

.news-card-image {
  position: relative;
  height: 200px;
  overflow: hidden;
  background: var(--bg-section);
}

.news-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.news-card:hover .news-card-image img {
  transform: scale(1.05);
}

.news-card-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  opacity: 0.3;
}

.news-card-category {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 4px 12px;
  background: rgba(255,255,255,0.92);
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-primary);
  backdrop-filter: blur(8px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

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

.news-card-body time {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.news-card-body h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card-body p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  transition: var(--transition-normal);
}

.news-card-link:hover {
  gap: 10px;
}

/* ==================== AI AGENT ==================== */
.ai-agent-section {
  padding: var(--section-padding);
  background: linear-gradient(135deg, rgba(0,179,126,0.04) 0%, rgba(0,136,224,0.03) 100%);
  position: relative;
  overflow: hidden;
}

.ai-agent-card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: center;
  padding: 56px 60px;
  background: rgba(255,255,255,0.7);
  border: 1px solid rgba(0,179,126,0.1);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.04);
}

.ai-agent-glow {
  position: absolute;
  top: -30%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0,179,126,0.06) 0%, transparent 70%);
  pointer-events: none;
}

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

.ai-agent-content .section-tag {
  color: var(--primary);
  border-color: rgba(0,179,126,0.3);
  background: rgba(0,179,126,0.08);
}

.ai-agent-content h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  margin-bottom: 16px;
  color: #0F172A;
}

.ai-agent-content p {
  font-size: 1.05rem;
  color: #475569;
  line-height: 1.8;
  margin-bottom: 24px;
  max-width: 520px;
  font-weight: 400;
}

.ai-agent-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.ai-topic-btn {
  padding: 10px 20px;
  background: rgba(0,179,126,0.04);
  border: 1px solid rgba(0,179,126,0.1);
  border-radius: var(--radius-full);
  color: #475569;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-normal);
  font-family: inherit;
  font-weight: 500;
}

.ai-topic-btn:hover {
  background: rgba(0,179,126,0.12);
  border-color: rgba(0,179,126,0.3);
  color: var(--primary);
}

.ai-agent-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.ai-agent-avatar {
  position: relative;
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ai-agent-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(0,179,126,0.15);
  animation: spin 8s linear infinite;
}

.ai-agent-inner {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  background: rgba(0,179,126,0.08);
  border-radius: 50%;
  z-index: 1;
}

.ai-agent-waves {
  display: flex;
  gap: 6px;
  align-items: center;
}

.ai-agent-waves span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  animation: wave 1.5s ease-in-out infinite;
}

.ai-agent-waves span:nth-child(2) { animation-delay: 0.3s; }
.ai-agent-waves span:nth-child(3) { animation-delay: 0.6s; }

/* ==================== CTA ==================== */
.cta-section {
  padding: var(--section-padding);
  background: var(--bg-light);
  text-align: center;
}

.cta-content h2 {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-content p {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
}

/* ==================== ANIMATIONS ==================== */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

@keyframes wave {
  0%, 100% { opacity: 0.2; transform: scale(0.8); }
  50% { opacity: 1; transform: scale(1.2); }
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
  .product-card {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  
  .product-card-image {
    min-height: 400px;
    order: -1;
  }
  
  .product-card-image img {
    width: 80%;
    height: auto;
    padding: 30px;
  }
  
  .product-card-body {
    padding: 36px 32px 40px;
  }
  
  .product-card-body h3 {
    font-size: 1.6rem;
  }
  
  .product-card-reverse {
    grid-template-columns: 1fr;
  }
  
  .product-card-reverse .product-card-body {
    padding: 36px 32px 40px;
  }
  
  .showroom-grid,
  .strength-grid,
  .culture-grid,
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .showroom-preview-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .preview-visual-container {
    width: 320px;
    height: 320px;
  }
  
  .preview-orb-main {
    width: 200px;
    height: 200px;
  }
  
  .preview-orb-ring {
    width: 260px;
    height: 260px;
  }
  
  .hero-product-bg {
    width: 60%;
    top: 20%;
  }
  
  .ai-agent-card {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 32px;
    padding: 40px 28px;
  }
  
  .ai-agent-content p {
    max-width: 100%;
    color: #475569;
  }
  
  .ai-topic-btn {
    color: #475569;
  }
}

@media (max-width: 640px) {
  .product-card-image {
    min-height: 300px;
  }
  
  .product-card-image img {
    width: 80%;
    padding: 16px;
  }
  
  .product-card-body {
    padding: 28px 24px 32px;
  }
  
  .product-card-body h3 {
    font-size: 1.35rem;
  }
  
  .product-card-body h3::after {
    width: 36px;
  }
  
  .product-card-desc {
    font-size: 0.95rem;
    margin-bottom: 20px;
  }
  
  .product-card-specs {
    padding: 14px 0;
    margin-bottom: 24px;
  }
  
  .spec-value {
    font-size: 0.85rem;
  }
  
  .showroom-grid,
  .strength-grid,
  .culture-grid,
  .news-grid {
    grid-template-columns: 1fr;
  }
  
  .strength-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .hero-stats {
    flex-direction: column;
    gap: 16px;
    padding: 20px;
  }
  
  .hero-stat-divider {
    width: 40px;
    height: 1px;
  }
  
  .cta-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .product-card-actions {
    flex-direction: column;
  }
  
  .hero-product-bg {
    display: none;
  }
}

@media (max-width: 480px) {
  .product-card-image {
    min-height: 240px;
  }
  
  .product-card-image img {
    width: 85%;
  }
  
  .strength-grid {
    grid-template-columns: 1fr;
  }
  
  .showroom-card-features {
    gap: 6px;
  }
  
  .showroom-card-features span {
    font-size: 0.75rem;
    padding: 3px 8px;
  }
}