/* =========================================
  1. Product Hero
  ========================================= */
.product-hero {
  padding-top: 70px;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.product-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(43, 85, 206, 0.3), rgba(100, 50, 255, 0.2));
  animation: gradientPulse 6s ease infinite;
}

@keyframes gradientPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(43, 85, 206, 0.6);
  border-radius: 50%;
  animation: float 15s infinite;
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; }
.particle:nth-child(2) { left: 20%; animation-delay: 2s; }
.particle:nth-child(3) { left: 30%; animation-delay: 4s; }
.particle:nth-child(4) { left: 40%; animation-delay: 6s; }
.particle:nth-child(5) { left: 50%; animation-delay: 8s; }
.particle:nth-child(6) { left: 60%; animation-delay: 10s; }
.particle:nth-child(7) { left: 70%; animation-delay: 12s; }
.particle:nth-child(8) { left: 80%; animation-delay: 14s; }
.particle:nth-child(9) { left: 90%; animation-delay: 1s; }
.particle:nth-child(10) { left: 15%; animation-delay: 3s; }

.hero-container {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 80px;
  max-width: 1400px;
  padding: 0 50px;
  width: 100%;
}

.hero-text {
  flex: 1;
  animation: slideInLeft 1s ease-out;
}

.product-tag {
  display: inline-block;
  background: linear-gradient(135deg, #2b55ce, #6432ff);
  color: #fff;
  padding: 8px 20px;
  border-radius: 30px;
  font-size: 14px;
  margin-bottom: 20px;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(43, 85, 206, 0.4); }
  50% { box-shadow: 0 0 0 15px rgba(43, 85, 206, 0); }
}

.hero-text h1 {
  font-size: 56px;
  font-weight: 800;
  color: #fff;
  margin: 0 0 20px;
  text-shadow: 0 0 40px rgba(0, 150, 255, 0.5);
}

.hero-text p {
  font-size: 18px;
  color: #a0cfff;
  line-height: 1.8;
  max-width: 500px;
}

.hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
  animation: slideInRight 1s ease-out 0.3s both;
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(50px); }
  to { opacity: 1; transform: translateX(0); }
}

.hero-image img {
  max-width: 100%;
  height: auto;
  border-radius: 20px;
  box-shadow: 0 30px 80px rgba(43, 85, 206, 0.4);
  animation: chipFloat 4s ease-in-out infinite;
}

@keyframes chipFloat {
  0%, 100% { transform: translateY(0) rotateY(0deg); }
  50% { transform: translateY(-15px) rotateY(5deg); }
}

/* =========================================
  2. Model Selector
  ========================================= */
.model-selector {
  padding: 60px 0 0;
  max-width: 1400px;
  margin: 0 auto;
}

.model-tabs {
  display: flex;
  justify-content: center;
  gap: 20px;
  padding: 0 30px;
  flex-wrap: wrap;
}

.model-tab {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 24px 40px;
  text-align: center;
  cursor: pointer;
  transition: all 0.4s ease;
  min-width: 180px;
  position: relative;
  overflow: hidden;
}

.model-tab::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #2b55ce, #6432ff);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.model-tab:hover,
.model-tab.active {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(43, 85, 206, 0.3);
  border-color: rgba(43, 85, 206, 0.5);
  background: rgba(255, 255, 255, 0.06);
}

.model-tab.active::before,
.model-tab:hover::before {
  transform: scaleX(1);
}

.model-tab .model-name {
  font-size: 18px;
  font-weight: bold;
  color: #fff;
  margin-bottom: 6px;
}

.model-tab .model-sub {
  font-size: 13px;
  color: #a0cfff;
}

.model-tab .model-badge {
  display: inline-block;
  background: linear-gradient(135deg, #2b55ce, #6432ff);
  color: #fff;
  padding: 3px 12px;
  border-radius: 12px;
  font-size: 11px;
  margin-top: 8px;
}

.model-tab.active .model-badge {
  background: linear-gradient(135deg, #f5a623, #f7c948);
  color: #000;
}

/* =========================================
  3. Specs Section
  ========================================= */
.specs-section {
  padding: 80px 0 100px;
  max-width: 1400px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
  animation: fadeInUp 1s ease-out;
}

.section-header h2 {
  font-size: 36px;
  color: #fff;
  margin: 0 0 10px;
}

.section-header p {
  color: #a0cfff;
  font-size: 16px;
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  padding: 0 30px;
}

.spec-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 40px 30px;
  text-align: center;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.spec-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #2b55ce, #6432ff);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.spec-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(43, 85, 206, 0.3);
  border-color: rgba(43, 85, 206, 0.5);
}

.spec-card:hover::before {
  transform: scaleX(1);
}

.spec-icon {
  font-size: 48px;
  margin-bottom: 20px;
  display: block;
}

.spec-value {
  font-size: 32px;
  font-weight: bold;
  color: #fff;
  margin-bottom: 10px;
  transition: all 0.3s ease;
}

.spec-label {
  color: #a0cfff;
  font-size: 14px;
}

/* =========================================
  4. Compare Table
  ========================================= */
.compare-section {
  padding: 80px 0;
  max-width: 1400px;
  margin: 0 auto;
}

.compare-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 12px;
  padding: 0 30px;
}

.compare-table thead th {
  background: rgba(43, 85, 206, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 24px;
  text-align: center;
  color: #fff;
  font-size: 16px;
  font-weight: bold;
}

.compare-table thead th:first-child {
  border-radius: 16px 0 0 0;
  text-align: left;
  color: #a0cfff;
  font-weight: normal;
  background: transparent;
}

.compare-table thead th:last-child {
  border-radius: 0 16px 0 0;
}

.compare-table tbody td {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 16px 24px;
  text-align: center;
  color: #ccc;
  font-size: 14px;
}

.compare-table tbody td:first-child {
  text-align: left;
  color: #a0cfff;
  font-weight: bold;
  background: rgba(255, 255, 255, 0.03);
}

.compare-table tbody tr:hover td {
  background: rgba(43, 85, 206, 0.08);
}

.highlight-cell {
  color: #fff !important;
  font-weight: bold;
}

/* =========================================
  5. Features Section
  ========================================= */
.features-section {
  padding: 80px 0;
  background: linear-gradient(180deg, rgba(43, 85, 206, 0.05), transparent);
}

.features-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 30px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.feature-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 40px;
  transition: all 0.4s ease;
}

.feature-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 25px 60px rgba(43, 85, 206, 0.3);
  border-color: rgba(43, 85, 206, 0.5);
}

.feature-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, #2b55ce, #6432ff);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 32px;
  margin-bottom: 25px;
  transition: transform 0.4s ease;
}

.feature-card:hover .feature-icon {
  transform: scale(1.1) rotate(10deg);
}

.feature-card h3 {
  color: #fff;
  font-size: 22px;
  margin: 0 0 15px;
}

.feature-card p {
  color: #999;
  font-size: 14px;
  line-height: 1.8;
  margin: 0;
}

/* =========================================
  6. Scenarios Section
  ========================================= */
.scenarios-section {
  padding: 80px 0;
  max-width: 1400px;
  margin: 0 auto;
}

.scenarios-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  padding: 0 30px;
}

.scenario-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 35px 25px;
  text-align: center;
  transition: all 0.4s ease;
}

.scenario-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(43, 85, 206, 0.3);
  border-color: rgba(43, 85, 206, 0.5);
}

.scenario-icon {
  font-size: 40px;
  margin-bottom: 15px;
  display: block;
}

.scenario-card h4 {
  color: #fff;
  font-size: 18px;
  margin: 0 0 10px;
}

.scenario-card p {
  color: #999;
  font-size: 13px;
  line-height: 1.6;
  margin: 0;
}

/* =========================================
  7. CTA Section
  ========================================= */
.cta-section {
  padding: 100px 0;
  text-align: center;
  position: relative;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(43, 85, 206, 0.2), rgba(100, 50, 255, 0.15));
}

.cta-content {
  position: relative;
  z-index: 2;
}

.cta-content h2 {
  font-size: 42px;
  color: #fff;
  margin: 0 0 20px;
}

.cta-content p {
  color: #a0cfff;
  font-size: 18px;
  margin-bottom: 40px;
}

.cta-btn {
  display: inline-block;
  padding: 18px 50px;
  background: linear-gradient(135deg, #2b55ce, #6432ff);
  color: #fff;
  text-decoration: none;
  font-size: 18px;
  font-weight: bold;
  border-radius: 50px;
  transition: all 0.4s ease;
  box-shadow: 0 10px 30px rgba(43, 85, 206, 0.4);
}

.cta-btn:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 20px 50px rgba(43, 85, 206, 0.6);
}

/* =========================================
  8. Related Products
  ========================================= */
.related-section {
  padding: 80px 0;
  max-width: 1400px;
  margin: 0 auto;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  padding: 0 30px;
}

.related-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  overflow: hidden;
  transition: all 0.4s ease;
  text-decoration: none;
  display: block;
}

.related-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(43, 85, 206, 0.3);
}

.related-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.related-card:hover img {
  transform: scale(1.1);
}

.related-card-content {
  padding: 25px;
}

.related-card-tag {
  display: inline-block;
  background: linear-gradient(135deg, #2b55ce, #6432ff);
  color: #fff;
  padding: 5px 15px;
  border-radius: 20px;
  font-size: 12px;
  margin-bottom: 12px;
}

.related-card-title {
  color: #fff;
  font-size: 20px;
  font-weight: bold;
  margin-bottom: 10px;
}

.related-card-desc {
  color: #999;
  font-size: 14px;
  line-height: 1.6;
}

/* =========================================
  9. 响应式
  ========================================= */
@media (max-width: 1024px) {
  .specs-grid,
  .scenarios-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .features-grid,
  .related-grid {
    grid-template-columns: 1fr;
  }

  .hero-container {
    flex-direction: column;
    text-align: center;
  }

  .hero-text p {
    max-width: 100%;
  }

  .compare-table {
    font-size: 12px;
  }

  .compare-table thead th,
  .compare-table tbody td {
    padding: 12px 10px;
  }
}

@media (max-width: 768px) {
  .hero-text h1 {
    font-size: 36px;
  }

  .specs-grid,
  .scenarios-grid {
    grid-template-columns: 1fr;
  }

  .cta-content h2 {
    font-size: 28px;
  }

  .model-tab {
    min-width: 140px;
    padding: 16px 20px;
  }

  .compare-table {
    display: block;
    overflow-x: auto;
  }
}