/* ==========================================================================
   Solutions Page Styles - 2026 Edition
   ========================================================================== */

/* Solution Section */
.solution-section {
  position: relative;
  overflow: hidden;
}

.solution-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}

@media (min-width: 1024px) {
  .solution-grid {
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-16);
  }

  .solution-grid.reverse {
    grid-template-columns: 1fr 1.2fr;
  }
}

.solution-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

@media (min-width: 640px) {
  .solution-features {
    grid-template-columns: repeat(2, 1fr);
  }
}

.feature-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  /* 多层阴影 - 内嵌高光 + 外光晕 */
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.5),
    0 0 0 1px rgba(255, 255, 255, 0.5),
    0 8px 16px -4px rgba(15, 76, 92, 0.18);
  transition: transform var(--duration-normal) var(--ease-spring);
}

.feature-item:hover .feature-icon {
  transform: scale(1.1) rotate(-5deg);
}

.feature-icon svg {
  color: var(--teal-900);
}

.feature-item h4 {
  font-size: var(--text-body);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-1);
  color: var(--ink-900);
}

.feature-item p {
  font-size: var(--text-body-sm);
  color: var(--ink-600);
  line-height: var(--leading-relaxed);
}

/* Solution Visual */
.solution-visual {
  position: relative;
  height: 480px;
}

@media (max-width: 1023px) {
  .solution-visual {
    height: 380px;
  }
}

.visual-card {
  position: relative;
  height: 100%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.85) 0%, rgba(240, 235, 227, 0.7) 100%);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-radius: var(--radius-3xl);
  padding: var(--space-8);
  overflow: hidden;
  /* 双层柔和描边 */
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 0 0 1px rgba(255, 255, 255, 0.6),
    0 0 0 1.5px rgba(91, 91, 214, 0.1),
    0 16px 48px -12px rgba(15, 76, 92, 0.2);
}

.visual-orb {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, var(--teal-300) 0%, var(--indigo-300) 100%);
  border-radius: var(--radius-blob);
  filter: blur(40px);
  opacity: 0.5;
  animation: float 12s ease-in-out infinite;
}

.visual-orb-sage {
  background: radial-gradient(circle, var(--sage-300) 0%, var(--teal-300) 100%);
}

.visual-orb-warm {
  background: radial-gradient(circle, var(--coral-300) 0%, var(--teal-100) 100%);
}

.visual-orb-indigo {
  background: radial-gradient(circle, var(--indigo-300) 0%, var(--teal-300) 100%);
}

.visual-stats {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--space-8);
}

.vstat {
  text-align: center;
  padding: var(--space-5) var(--space-8);
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(12px);
  border-radius: 18px;
  min-width: 220px;
  /* 多层精致阴影 */
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.85),
    0 0 0 1px rgba(255, 255, 255, 0.6),
    0 0 0 1.5px rgba(91, 91, 214, 0.12),
    0 8px 20px -6px rgba(15, 76, 92, 0.15);
  transition: transform var(--duration-normal) var(--ease-out-expo);
}

.vstat:hover {
  transform: translateY(-4px) scale(1.02);
}

.vstat-number {
  font-family: var(--font-display);
  font-size: var(--text-display-md);
  font-weight: var(--weight-bold);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: var(--space-2);
  letter-spacing: var(--tracking-tighter);
}

.vstat-label {
  font-size: var(--text-body-sm);
  color: var(--ink-600);
  letter-spacing: var(--tracking-wide);
}

/* Integration Grid */
.integration-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .integration-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .integration-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

.integration-card {
  text-align: center;
  padding: var(--space-6) var(--space-3);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.integration-icon {
  font-size: 32px;
  margin-bottom: var(--space-2);
}

.integration-card h4 {
  font-size: var(--text-body);
  font-weight: var(--weight-semibold);
  color: var(--ink-800);
}

.integration-card p {
  font-size: var(--text-caption);
  color: var(--ink-500);
  line-height: var(--leading-snug);
}

/* ==========================================================================
   Sub-scenario Solutions Grid (数据库中的其他解决方案)
   与 products.css 共享同名类 — 此处为自包含兜底样式
   ========================================================================== */

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-6);
}

@media (max-width: 768px) {
  .products-grid {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
}

/* Solution card link — 卡片作为整块可点容器 */
.solution-card-link {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: var(--space-6);
  background: rgba(255, 255, 255, 0.75);
  border-radius: var(--radius-2xl, 16px);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.8),
    0 0 0 1.5px rgba(221, 212, 197, 0.3),
    0 4px 20px -4px rgba(15, 76, 92, 0.08);
  transition: transform var(--duration-normal) var(--ease-spring),
              box-shadow var(--duration-normal) var(--ease-smooth);
  overflow: hidden;
  position: relative;
}

.solution-card-link:hover {
  transform: translateY(-4px);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.9),
    0 0 0 1.5px rgba(91, 157, 170, 0.4),
    0 12px 40px -8px rgba(15, 76, 92, 0.15);
}

.solution-card-link .product-card-image {
  display: block;
  position: relative;
  width: calc(100% + var(--space-6) * 2);
  margin: calc(var(--space-6) * -1) calc(var(--space-6) * -1) var(--space-5);
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--cream-50, #F8F7F2);
}

.solution-card-link .product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.5s var(--ease-smooth);
}

.solution-card-link:hover .product-card-image img {
  transform: scale(1.05);
}

.solution-card-link .product-card-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, rgba(15, 76, 92, 0.7), rgba(26, 107, 124, 0.6));
  color: #fff;
  font-size: var(--text-body-sm, 14px);
  font-weight: 600;
  letter-spacing: 0.04em;
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-smooth);
  pointer-events: none;
}

.solution-card-link .product-card-overlay svg {
  width: 16px;
  height: 16px;
}

.solution-card-link:hover .product-card-overlay {
  opacity: 1;
}

.solution-card-link .product-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  min-height: 24px;
}

.solution-card-link .badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.solution-card-link .badge-teal {
  background: rgba(91, 157, 170, 0.12);
  color: var(--teal-900, #0F4C5C);
}

.solution-card-link .product-title {
  font-family: var(--font-display);
  font-size: var(--text-h5, 1.25rem);
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink-900, #1a1a1a);
  margin: 0 0 12px 0;
}

.solution-card-link .product-title a {
  color: inherit;
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-smooth);
}

.solution-card-link .product-title a:hover {
  color: var(--teal-700, #1A6B7C);
}

.solution-card-link .product-desc {
  font-size: var(--text-body-sm, 14px);
  color: var(--ink-600, #555);
  line-height: 1.65;
  margin: 0 0 16px 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.solution-card-link .product-features {
  list-style: none;
  padding: 0;
  margin: 0 0 20px 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.solution-card-link .product-features li {
  position: relative;
  padding-left: 20px;
  font-size: var(--text-body-sm, 14px);
  color: var(--ink-700, #444);
  line-height: 1.5;
}

.solution-card-link .product-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal-500, #5B9DAA);
}

.solution-card-link .btn-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  padding: 8px 0;
  color: var(--teal-700, #1A6B7C);
  font-size: var(--text-body-sm, 14px);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: gap var(--duration-fast) var(--ease-smooth),
              border-color var(--duration-fast) var(--ease-smooth);
  align-self: flex-start;
}

.solution-card-link .btn-link:hover {
  gap: 10px;
  border-bottom-color: var(--teal-700, #1A6B7C);
}

.solution-card-link .btn-link svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* ==========================================================================
   Solution Detail Page (/solutions/solution-N)
   与 case-detail.php 同样的 hero + sections + cta 信息架构。
   样式大部分用内联 inline style 在视图里写（与 case-detail 一致），
   此处只提供全局 .description-content（富文本）与移动端响应式补丁。
   ========================================================================== */

.description-content {
  color: var(--ink-700, #444);
  font-size: var(--text-body, 16px);
  line-height: 1.9;
}

.description-content h2,
.description-content h3 {
  color: var(--ink-900, #1a1a1a);
  margin: 32px 0 16px 0;
  font-weight: 600;
}

.description-content h2 { font-size: 1.5rem; }
.description-content h3 { font-size: 1.25rem; }
.description-content p { margin: 0 0 16px 0; }
.description-content img { max-width: 100%; height: auto; border-radius: 8px; }
.description-content ul,
.description-content ol { padding-left: 24px; margin: 0 0 16px 0; }
.description-content li { margin-bottom: 8px; }
.description-content table { width: 100%; border-collapse: collapse; margin: 0 0 16px 0; }
.description-content table th,
.description-content table td { border: 1px solid var(--cream-200, #e8e3d8); padding: 8px 12px; }
.description-content table th { background: var(--cream-50, #fafaf6); }
.description-content a { color: var(--teal-700, #1A6B7C); }
.description-content blockquote {
  border-left: 3px solid var(--teal-500, #5B9DAA);
  margin: 0 0 16px 0;
  padding: 8px 16px;
  background: var(--cream-50, #fafaf6);
  color: var(--ink-700, #444);
}

/* 详情页移动端：hero 双栏塌成单栏 */
@media (max-width: 768px) {
  /* hero grid：覆盖内联 inline style 里的 grid-template-columns */
  section > .container > div[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
    gap: 28px !important;
  }
}