/* ==========================================================================
   AI 独立智能建站专属前端样式系统 (AI Site Pure CSS Engine)
   设计特点: 现代高端、纯 CSS 变量色彩驱动、全响应式、无任何外部重型框架依赖
   ========================================================================== */

:root {
  --ai-radius-sm: 6px;
  --ai-radius-md: 12px;
  --ai-radius-lg: 20px;
  --ai-shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --ai-shadow-md: 0 4px 20px rgba(15,23,42,0.06);
  --ai-shadow-lg: 0 12px 36px rgba(15,23,42,0.09);
  --ai-container-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body.ai-site-body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--ai-bg-page);
  color: var(--ai-text-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* 暗色模式特殊滤镜与微光增强 */
body.ai-dark-theme {
  --ai-shadow-md: 0 4px 24px rgba(0, 0, 0, 0.45);
  --ai-shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.65);
}
body.ai-dark-theme .ai-card-border {
  border-color: rgba(255, 255, 255, 0.1) !important;
}

.ai-container {
  width: 100%;
  max-width: var(--ai-container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* 导航栏 */
.ai-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--ai-header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--ai-card-border);
  transition: all 0.3s ease;
}

.ai-header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
  gap: 16px;
}

.ai-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0; /* 保护品牌Logo和名称绝不缩进折行 */
}

.ai-brand-logo-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.ai-brand-logo-img {
  max-height: 42px;
  max-width: 160px;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  border-radius: 6px;
  transition: transform 0.2s ease;
}

.ai-brand:hover .ai-brand-logo-img {
  transform: scale(1.03);
}

.ai-brand-logo-wrap .fallback-mark {
  display: none;
}

.ai-brand-logo-wrap.is-fallback .ai-brand-logo-img {
  display: none;
}

.ai-brand-logo-wrap.is-fallback .fallback-mark {
  display: flex;
}

.ai-brand-logo-mark {
  width: 38px;
  height: 38px;
  border-radius: var(--ai-radius-sm);
  background: var(--ai-gradient, linear-gradient(135deg, #2563eb, #1d4ed8));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 800;
  font-size: 18px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
  flex-shrink: 0;
}

.ai-brand-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.ai-brand-name {
  font-size: 18px;
  font-weight: 800;
  color: var(--ai-text-main);
  letter-spacing: -0.3px;
  line-height: 1.25;
  white-space: nowrap;
}

.ai-brand-tagline {
  font-size: 11.5px;
  color: var(--ai-text-muted);
  font-weight: 500;
  letter-spacing: 0.15px;
  line-height: 1.3;
  margin-top: 2px;
  white-space: nowrap;
  max-width: 360px;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 桌面端导航容器与菜单防挤压折行机制 */
.ai-nav-desktop {
  display: flex;
  align-items: center;
  flex: 1;
  justify-content: flex-end;
  min-width: 0;
}

.ai-nav-menu {
  display: flex;
  list-style: none;
  gap: clamp(8px, 1.25vw, 22px); /* 响应式自适应间距，项目较多时自动紧凑排开 */
  align-items: center;
  margin: 0;
  padding: 0;
  flex-wrap: nowrap !important; /* 核心：绝对禁止换行 */
}

.ai-nav-menu li {
  flex-shrink: 0 !important; /* 核心：绝对禁止菜单项被压缩折行 */
  white-space: nowrap !important; /* 强制单行文本 */
}

.ai-nav-link {
  display: inline-block;
  color: var(--ai-text-body);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.4;
  padding: 6px 4px;
  white-space: nowrap !important; /* 核心：菜单文字绝不折成两行 */
  transition: color 0.2s ease;
}

.ai-nav-link:hover {
  color: var(--ai-primary);
}

.ai-nav-cta-item {
  margin-left: 6px;
  flex-shrink: 0 !important;
}

.ai-btn-nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 18px;
  border-radius: 20px;
  background: var(--ai-primary);
  color: #ffffff !important;
  font-weight: 700;
  font-size: 13px;
  line-height: 1.2;
  white-space: nowrap !important; /* 核心：商务咨询按钮坚决不拆成两行 */
  flex-shrink: 0 !important; /* 核心：按钮自身绝不缩进变形 */
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
  text-decoration: none;
  transition: all 0.2s ease;
}

.ai-btn-nav:hover {
  background: var(--ai-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.18);
  color: #ffffff !important;
}

/* ---------------- 全局按钮规范与超高对比度保障 ---------------- */
.ai-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 8px;
  background: var(--ai-primary);
  color: #ffffff !important; /* 核心：强制白字，杜绝任何字色混淆 */
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(0,0,0,0.10);
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
  white-space: nowrap !important;
}

.ai-btn-primary:hover {
  background: var(--ai-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.16);
  color: #ffffff !important;
}

/* 次级按钮核心优化：杜绝白底白字、深底深字，保证 WCAG AAA 级高对比度 */
.ai-btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 8px;
  background: #ffffff;
  color: #0f172a !important; /* 核心：默认白底状态下，强制深黑高对比度文字！绝不能跟随暗黑模式变量变成白色 */
  border: 1.5px solid #cbd5e1;
  font-size: 14.5px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 2px 6px rgba(0,0,0,0.04);
  transition: all 0.2s ease;
  white-space: nowrap !important;
  cursor: pointer;
}

.ai-btn-secondary:hover {
  border-color: var(--ai-primary);
  color: var(--ai-primary) !important;
  background: var(--ai-primary-light, #f1f5f9);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

/* 暗黑主题模式下（如 carbon_fiber、obsidian_dark、dark_luxury 暗黑态）次级按钮专用高对比度样式 */
body.ai-dark-theme .ai-btn-secondary,
body.ai-dark-theme.ai-framework-dark-luxury .ai-btn-secondary,
body.ai-dark-theme.ai-framework-cyber-terminal .ai-btn-secondary {
  background: rgba(255, 255, 255, 0.1) !important;
  color: #ffffff !important; /* 核心：深色半透明背景下，文字强制纯白高亮，轮廓极度清晰 */
  border: 1.5px solid rgba(255, 255, 255, 0.3) !important;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

body.ai-dark-theme .ai-btn-secondary:hover,
body.ai-dark-theme.ai-framework-dark-luxury .ai-btn-secondary:hover,
body.ai-dark-theme.ai-framework-cyber-terminal .ai-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2) !important;
  color: #ffffff !important;
  border-color: #ffffff !important;
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.15);
}

/* 浅色主题模式（非暗黑）下次级按钮的坚实高对比度保障 (杜绝浅底白字) */
body:not(.ai-dark-theme) .ai-btn-secondary {
  background: var(--ai-card-bg, #ffffff) !important;
  color: var(--ai-text-main, #0f172a) !important;
  border: 1.5px solid var(--ai-card-border, #cbd5e1) !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

body:not(.ai-dark-theme) .ai-btn-secondary:hover {
  border-color: var(--ai-primary) !important;
  color: var(--ai-primary) !important;
  background: var(--ai-primary-light, #f1f5f9) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* 文章资讯“浏览更多资讯”专属按钮 */
.ai-btn-more-articles {
  font-size: 13.5px !important;
  padding: 9px 22px !important;
  border-radius: 20px !important;
  border: 1.5px solid var(--ai-card-border, #cbd5e1) !important;
  background: var(--ai-card-bg, #ffffff) !important;
  color: var(--ai-primary) !important;
  font-weight: 700 !important;
  white-space: nowrap !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
}

.ai-btn-more-articles:hover {
  background: var(--ai-primary) !important;
  color: #ffffff !important;
  border-color: var(--ai-primary) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(0,0,0,0.12);
}

body.ai-dark-theme .ai-btn-more-articles {
  background: rgba(255, 255, 255, 0.08) !important;
  color: #ffffff !important;
  border-color: rgba(255, 255, 255, 0.25) !important;
}

body.ai-dark-theme .ai-btn-more-articles:hover {
  background: var(--ai-primary) !important;
  color: #ffffff !important;
  border-color: var(--ai-primary) !important;
}

/* Hero 首屏 */
.ai-hero {
  position: relative;
  padding: 90px 0 80px 0;
  background: var(--ai-hero-ambient), var(--ai-bg-page);
  border-bottom: 1px solid var(--ai-card-border);
  overflow: hidden;
  transition: background 0.3s ease;
}

.ai-hero-inner {
  max-width: 880px;
}

.ai-hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 30px;
  background: var(--ai-primary-light);
  border: 1px solid rgba(0,0,0,0.06);
  color: var(--ai-primary);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 24px;
}

.ai-hero-pill-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ai-primary);
}

.ai-hero-title {
  font-size: 46px;
  line-height: 1.25;
  font-weight: 850;
  color: var(--ai-text-main);
  letter-spacing: -0.8px;
  margin-bottom: 20px;
}

.ai-hero-title .ai-highlight {
  background: var(--ai-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline;
  color: var(--ai-primary);
}

/* 全局实心高光词与内联背景高光词防灾盾 (防止文字透明或与背景同色隐形) */
.ai-hero-title .ai-highlight[style*="background"],
.ai-hero-title .ai-highlight-solid,
.ai-highlight-solid {
  background: var(--ai-primary) !important;
  color: #ffffff !important;
  -webkit-text-fill-color: #ffffff !important;
  -webkit-background-clip: initial !important;
  background-clip: initial !important;
  display: inline-block !important;
}


.ai-hero-desc {
  font-size: 18px;
  line-height: 1.7;
  color: var(--ai-text-muted);
  margin-bottom: 36px;
}

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

/* 数据背书 Deck */
.ai-stats-section {
  padding: 40px 0;
  background: var(--ai-card-bg);
  border-bottom: 1px solid var(--ai-card-border);
}

.ai-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.ai-stat-card {
  padding: 20px 24px;
  border-left: 3px solid var(--ai-primary);
  background: var(--ai-bg-page);
  border-radius: 0 var(--ai-radius-sm) var(--ai-radius-sm) 0;
}

.ai-stat-val {
  font-size: 32px;
  font-weight: 850;
  color: var(--ai-primary);
  line-height: 1.1;
  margin-bottom: 4px;
}

.ai-stat-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--ai-text-main);
  margin-bottom: 2px;
}

.ai-stat-subtext {
  font-size: 11px;
  color: #94a3b8;
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* 通用区块头 */
.ai-section {
  padding: 80px 0;
}

.ai-section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 50px auto;
}

.ai-section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 800;
  color: var(--ai-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.ai-section-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--ai-text-main);
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}

.ai-section-subtitle {
  font-size: 16px;
  color: var(--ai-text-muted);
  line-height: 1.6;
}

/* 核心方案卡片 */
.ai-solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
}

.ai-solution-card {
  background: var(--ai-card-bg);
  border: 1px solid var(--ai-card-border);
  border-radius: var(--ai-radius-md);
  padding: 32px;
  box-shadow: var(--ai-shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  display: flex;
  flex-direction: column;
}

.ai-solution-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--ai-shadow-md);
  border-color: var(--ai-primary);
}

.ai-solution-badge {
  align-self: flex-start;
  padding: 4px 10px;
  border-radius: 4px;
  background: var(--ai-primary-light);
  color: var(--ai-primary);
  font-size: 11px;
  font-weight: 700;
  margin-bottom: 16px;
}

.ai-solution-name {
  font-size: 20px;
  font-weight: 800;
  color: var(--ai-text-main);
  margin-bottom: 12px;
}

.ai-solution-summary {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ai-text-muted);
  flex: 1;
  margin-bottom: 20px;
}

.ai-solution-specs {
  background: var(--ai-bg-page);
  padding: 10px 14px;
  border-radius: var(--ai-radius-sm);
  font-size: 12px;
  color: var(--ai-text-body);
  border-left: 2px solid var(--ai-primary);
  font-weight: 500;
}

/* 核心技术特性 */
.ai-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.ai-feature-card {
  background: var(--ai-card-bg);
  border: 1px solid var(--ai-card-border);
  border-radius: var(--ai-radius-md);
  padding: 28px;
  transition: all 0.2s;
}

.ai-feature-card:hover {
  border-color: var(--ai-primary);
}

.ai-feature-tag {
  font-size: 12px;
  font-weight: 700;
  color: var(--ai-primary);
  margin-bottom: 8px;
}

.ai-feature-title {
  font-size: 18px;
  font-weight: 750;
  color: var(--ai-text-main);
  margin-bottom: 10px;
}

.ai-feature-desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--ai-text-muted);
}

/* 案例应用 */
.ai-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 24px;
}

.ai-case-card {
  background: var(--ai-card-bg);
  border: 1px solid var(--ai-card-border);
  border-radius: var(--ai-radius-md);
  padding: 28px;
  box-shadow: var(--ai-shadow-sm);
}

.ai-case-client {
  font-size: 12px;
  font-weight: 700;
  color: var(--ai-primary);
  background: var(--ai-primary-light);
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  margin-bottom: 12px;
}

.ai-case-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--ai-text-main);
  margin-bottom: 10px;
}

.ai-case-result {
  font-size: 14px;
  color: var(--ai-text-body);
  line-height: 1.6;
  border-top: 1px dashed var(--ai-card-border);
  padding-top: 14px;
  margin-top: 12px;
}

/* 常见问答 FAQ */
.ai-faqs-container {
  max-width: 820px;
  margin: 0 auto;
}

.ai-faq-item {
  background: var(--ai-card-bg);
  border: 1px solid var(--ai-card-border);
  border-radius: var(--ai-radius-sm);
  padding: 20px 24px;
  margin-bottom: 16px;
  box-shadow: var(--ai-shadow-sm);
}

.ai-faq-q {
  font-size: 16px;
  font-weight: 750;
  color: var(--ai-text-main);
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 8px;
}

.ai-faq-badge {
  background: var(--ai-primary-light);
  color: var(--ai-primary);
  font-size: 12px;
  font-weight: 800;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  flex-shrink: 0;
}

.ai-faq-a {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ai-text-muted);
  padding-left: 34px;
}

/* 联系咨询留资底栏 (由 CSS 变量与主题体系驱动) */
.ai-contact-section {
  background: var(--ai-contact-bg, #0f172a);
  color: #ffffff;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.ai-contact-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--ai-gradient);
}

.ai-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.ai-contact-info h2 {
  font-size: 34px;
  font-weight: 850;
  line-height: 1.3;
  margin-bottom: 16px;
}

.ai-contact-info p {
  color: #94a3b8;
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 30px;
}

.ai-contact-details {
  list-style: none;
}

.ai-contact-detail-item {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
  font-size: 15px;
  color: #cbd5e1;
}

.ai-form-card {
  background: var(--ai-contact-card-bg, #1e293b);
  border: 1px solid var(--ai-contact-border, #334155);
  border-radius: var(--ai-radius-md);
  padding: 36px;
  box-shadow: var(--ai-shadow-lg);
}

.ai-form-group {
  margin-bottom: 16px;
}

.ai-form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #cbd5e1;
  margin-bottom: 6px;
}

.ai-form-input, .ai-form-textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--ai-radius-sm);
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--ai-contact-border, #475569);
  color: #ffffff;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.ai-form-input:focus, .ai-form-textarea:focus {
  border-color: var(--ai-primary);
}

.ai-btn-submit {
  width: 100%;
  padding: 14px;
  border-radius: var(--ai-radius-sm);
  background: var(--ai-primary);
  color: #ffffff;
  font-size: 15px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(0,0,0,0.18);
  transition: all 0.2s ease;
}

.ai-btn-submit:hover {
  background: var(--ai-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(0,0,0,0.22);
}

/* 页脚 */
.ai-footer {
  background: var(--ai-footer-bg, #0b0f19);
  border-top: 1px solid var(--ai-contact-border, #1e293b);
  padding: 30px 0;
  text-align: center;
  color: #64748b;
  font-size: 13px;
}

/* 移动端汉堡按钮与遮罩定义 */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1002;
}

.mobile-menu-toggle .bar {
  width: 100%;
  height: 2px;
  background: var(--ai-text-title, #0f172a);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.mobile-menu-toggle.active .bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.mobile-menu-toggle.active .bar:nth-child(2) {
  opacity: 0;
}
.mobile-menu-toggle.active .bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 999;
}

.mobile-menu-backdrop.is-open {
  display: block;
}

/* 响应式断点与菜单防折行适配 */
@media (max-width: 1320px) {
  .ai-nav-menu {
    gap: clamp(6px, 1vw, 14px);
  }
  .ai-nav-link {
    font-size: 13px;
    padding: 5px 2px;
  }
  .ai-btn-nav {
    padding: 6px 14px;
    font-size: 12.5px;
  }
  .ai-brand-tagline {
    display: none; /* 腾出水平空间给密集菜单，避免挤压 */
  }
}

@media (max-width: 1100px) {
  .ai-nav-menu {
    gap: 8px;
  }
  .ai-nav-link {
    font-size: 12.5px;
    padding: 4px 2px;
  }
  .ai-btn-nav {
    padding: 6px 12px;
    font-size: 12px;
  }
}

@media (max-width: 960px) {
  .mobile-menu-toggle {
    display: flex;
  }
  .ai-nav-desktop {
    flex: none;
  }
  .ai-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .ai-contact-grid {
    grid-template-columns: 1fr;
  }
  .ai-hero-title {
    font-size: 34px;
  }
  .ai-nav-menu {
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100vh;
    background: var(--ai-card-bg, #ffffff);
    box-shadow: -4px 0 24px rgba(0,0,0,0.15);
    flex-direction: column;
    padding: 80px 24px 24px;
    gap: 16px;
    z-index: 1000;
    transition: right 0.3s ease;
    display: flex;
    align-items: flex-start;
    overflow-y: auto;
  }
  .ai-nav-menu.is-open {
    right: 0;
  }
  .ai-nav-menu li {
    width: 100%;
  }
  .ai-nav-link {
    display: block;
    width: 100%;
    font-size: 15px;
    padding: 8px 0;
  }
  .ai-nav-cta-item {
    margin-left: 0;
    margin-top: 10px;
    width: 100%;
  }
  .ai-btn-nav {
    display: flex;
    width: 100%;
    justify-content: center;
    padding: 10px 20px;
    font-size: 14px;
  }
}

@media (max-width: 600px) {
  .ai-stats-grid {
    grid-template-columns: 1fr;
  }
  .ai-hero {
    padding: 50px 0;
  }
  .ai-hero-title {
    font-size: 28px;
  }
  .ai-section {
    padding: 50px 0;
  }
}

/* ==========================================================================
   5 大差异化页面视觉框架专属样式系统 (5 Distinct Framework Architectures)
   ========================================================================== */

/* ---------------- 框架 1: split_cockpit (双翼驾驶舱视差框架) ---------------- */
.ai-framework-split-cockpit .ai-cockpit-hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.ai-cockpit-window {
  background: var(--ai-card-bg);
  border: 1.5px solid var(--ai-card-border);
  border-radius: var(--ai-radius-lg);
  padding: 24px 26px;
  box-shadow: var(--ai-shadow-lg);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(16px);
}

.ai-cockpit-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--ai-card-border);
}

.ai-cockpit-dots {
  display: flex;
  gap: 6px;
  align-items: center;
}

.ai-cockpit-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: inline-block;
}

.ai-cockpit-dot.red { background: #ef4444; }
.ai-cockpit-dot.yellow { background: #f59e0b; }
.ai-cockpit-dot.green { background: #10b981; }

.ai-cockpit-title {
  font-size: 11.5px;
  font-weight: 750;
  color: var(--ai-text-muted);
  font-family: monospace;
  letter-spacing: 0.2px;
}

.ai-cockpit-body {
  margin-top: 6px;
}

.ai-cockpit-status-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.ai-cockpit-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  font-weight: 750;
  color: var(--ai-primary);
  background: var(--ai-primary-light);
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid rgba(0,0,0,0.05);
}

.ai-cockpit-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ai-primary);
  box-shadow: 0 0 8px var(--ai-primary);
  animation: aiPulse 2s infinite;
}

@keyframes aiPulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(37,99,235,0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(37,99,235,0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(37,99,235,0); }
}

.ai-cockpit-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}

.ai-cockpit-metric-card {
  background: var(--ai-bg-page);
  border: 1px solid var(--ai-card-border);
  border-radius: var(--ai-radius-sm);
  padding: 14px;
  text-align: center;
  transition: transform 0.2s;
}

.ai-cockpit-metric-card:hover {
  transform: translateY(-2px);
  border-color: var(--ai-primary);
}

.ai-cockpit-metric-val {
  font-size: 26px;
  font-weight: 850;
  color: var(--ai-primary);
  line-height: 1.1;
  margin-bottom: 4px;
}

.ai-cockpit-metric-label {
  font-size: 11.5px;
  color: var(--ai-text-muted);
  font-weight: 600;
}

/* ---------------- 框架 2: matrix_portal (全景综合门户框架) ---------------- */
.ai-framework-matrix-portal .ai-portal-hero {
  text-align: center;
  padding: 100px 0 70px 0;
}

.ai-framework-matrix-portal .ai-portal-hero-inner {
  max-width: 960px;
  margin: 0 auto;
}

.ai-portal-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 22px;
  border-radius: 40px;
  background: var(--ai-card-bg);
  border: 1.5px solid var(--ai-card-border);
  color: var(--ai-primary);
  font-size: 13px;
  font-weight: 750;
  box-shadow: var(--ai-shadow-sm);
  margin-bottom: 24px;
}

.ai-portal-anchors {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.ai-portal-anchor-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--ai-card-bg);
  border: 1.5px solid var(--ai-card-border);
  padding: 10px 22px;
  border-radius: 40px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--ai-text-body);
  text-decoration: none;
  box-shadow: var(--ai-shadow-sm);
  transition: all 0.2s ease;
}

.ai-portal-anchor-item:hover {
  border-color: var(--ai-primary);
  color: var(--ai-primary);
  background: var(--ai-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--ai-shadow-md);
}

.ai-portal-anchor-num {
  font-size: 12px;
  font-weight: 900;
  color: var(--ai-primary);
  font-family: monospace;
}

/* ---------------- 框架 3: showcase_minimal (极简画卷精英框架) ---------------- */
.ai-framework-showcase-minimal .ai-minimal-hero {
  padding: 110px 0 90px 0;
}

.ai-framework-showcase-minimal .ai-hero-title {
  font-size: 54px;
  letter-spacing: -1.5px;
  line-height: 1.18;
  max-width: 980px;
}

.ai-minimal-solution-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.ai-minimal-solution-item, .ai-minimal-solution-card {
  background: var(--ai-card-bg);
  border: 1.5px solid var(--ai-card-border);
  border-radius: var(--ai-radius-md);
  padding: 36px 44px;
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  align-items: center;
  transition: all 0.25s ease;
  box-shadow: var(--ai-shadow-sm);
}

.ai-minimal-solution-item:hover, .ai-minimal-solution-card:hover {
  border-color: var(--ai-primary);
  box-shadow: var(--ai-shadow-md);
  transform: translateX(6px);
}

.ai-minimal-num, .ai-minimal-idx {
  font-size: 42px;
  font-weight: 900;
  color: var(--ai-primary);
  opacity: 0.75;
  font-family: monospace;
}

.ai-minimal-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--ai-text-main);
  margin-bottom: 8px;
}

/* ---------------- 框架 4: industrial_turnkey (工业交钥匙工程框架) ---------------- */
.ai-framework-industrial-turnkey .ai-turnkey-pipeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 36px;
  position: relative;
}

.ai-turnkey-step, .ai-turnkey-step-card {
  background: var(--ai-card-bg);
  border: 1.5px solid var(--ai-card-border);
  border-radius: var(--ai-radius-md);
  padding: 26px;
  position: relative;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  box-shadow: var(--ai-shadow-sm);
}

.ai-turnkey-step:hover, .ai-turnkey-step-card:hover {
  transform: translateY(-4px);
  border-color: var(--ai-primary);
  box-shadow: var(--ai-shadow-md);
}

.ai-turnkey-step-num, .ai-turnkey-step-badge {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--ai-gradient);
  color: #ffffff;
  font-weight: 850;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  margin-bottom: 16px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}

.ai-turnkey-step-title {
  font-size: 17px;
  font-weight: 800;
  color: var(--ai-text-main);
  margin-bottom: 8px;
}

.ai-turnkey-step-desc {
  font-size: 13.5px;
  color: var(--ai-text-muted);
  line-height: 1.6;
}

/* ---------------- 框架 5: b2b_growth_funnel (B2B 高转化获客漏斗框架) ---------------- */
.ai-framework-b2b-growth-funnel .ai-funnel-hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.ai-funnel-vs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 24px;
}

.ai-funnel-col, .ai-funnel-vs-card {
  padding: 32px;
  border-radius: var(--ai-radius-md);
  background: var(--ai-card-bg);
  border: 1.5px solid var(--ai-card-border);
  box-shadow: var(--ai-shadow-sm);
}

.ai-funnel-bad, .ai-funnel-vs-bad {
  border-left: 5px solid #ef4444;
}

.ai-funnel-bad .ai-funnel-col-title {
  color: #b91c1c;
}

.ai-funnel-good, .ai-funnel-vs-good {
  border: 2px solid var(--ai-primary);
  border-left: 5px solid var(--ai-primary);
  background: var(--ai-card-bg);
  box-shadow: var(--ai-shadow-md);
}

.ai-funnel-good .ai-funnel-col-title {
  color: var(--ai-primary);
}

.ai-funnel-col-title {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 18px;
}

.ai-funnel-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.ai-funnel-list li {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ai-text-body);
  margin-bottom: 12px;
  position: relative;
  padding-left: 20px;
}

.ai-funnel-bad .ai-funnel-list li::before {
  content: '✕';
  position: absolute;
  left: 0;
  color: #ef4444;
  font-weight: 800;
}

.ai-funnel-good .ai-funnel-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--ai-primary);
  font-weight: 800;
}

/* 框架响应式断点适配 */
@media (max-width: 992px) {
  .ai-framework-split-cockpit .ai-cockpit-hero-grid,
  .ai-framework-b2b-growth-funnel .ai-funnel-hero-grid {
    grid-template-columns: 1fr;
  }
  .ai-framework-industrial-turnkey .ai-turnkey-pipeline {
    grid-template-columns: repeat(2, 1fr);
  }
  .ai-minimal-solution-item, .ai-minimal-solution-card {
    grid-template-columns: 1fr;
    gap: 14px;
  }
}

@media (max-width: 640px) {
  .ai-framework-industrial-turnkey .ai-turnkey-pipeline {
    grid-template-columns: 1fr;
  }
  .ai-funnel-vs-grid {
    grid-template-columns: 1fr;
  }
  .ai-framework-showcase-minimal .ai-hero-title {
    font-size: 32px;
  }
}

/* 文章资讯卡片流专属样式 */
.ai-article-card:hover {
  transform: translateY(-4px);
  border-color: var(--ai-primary) !important;
  box-shadow: var(--ai-shadow-md) !important;
}

/* ==========================================================================
   全新扩充: 60 大旗舰页面视觉框架专属异构排版与特征渲染系统 (60 Heterogeneous Frameworks)
   覆盖 12 大商业主场景，每一套框架均拥有鲜明独特的 Hero 构图、卡片网格形态、微背景纹理与质感装饰
   ========================================================================== */

/* ---------------- 框架 01: split_cockpit (智能驾驶舱) ---------------- */
.ai-framework-split-cockpit {
  background-image: radial-gradient(var(--ai-primary-light) 1px, transparent 1px);
  background-size: 24px 24px;
}
.ai-framework-split-cockpit .ai-hero {
  position: relative;
  overflow: hidden;
  background: var(--ai-hero-ambient), var(--ai-bg-page);
}
.ai-framework-split-cockpit .ai-solution-card {
  border-left: 5px solid var(--ai-primary);
  border-radius: 12px;
  background: var(--ai-card-bg);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.05);
  position: relative;
}
.ai-framework-split-cockpit .ai-solution-card::after {
  content: "HUD // READY";
  position: absolute;
  top: 14px;
  right: 14px;
  font-size: 9px;
  font-family: monospace;
  font-weight: 800;
  color: var(--ai-primary);
  opacity: 0.7;
}

/* ---------------- 框架 02: cyber_terminal (极客代码终端 - 现代科技中枢) ---------------- */
.ai-framework-cyber-terminal {
  background-color: #080c14;
  color: #e2e8f0;
}
.ai-framework-cyber-terminal .ai-hero {
  background: var(--ai-hero-ambient), #080c14;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.ai-framework-cyber-terminal .ai-solution-card,
.ai-framework-cyber-terminal .ai-feature-card,
.ai-framework-cyber-terminal .ai-card {
  border-radius: 4px !important;
  border: 1px solid var(--ai-card-border) !important;
  background: rgba(15, 23, 42, 0.9) !important;
  box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.03);
}
.ai-framework-cyber-terminal .ai-btn-primary {
  border-radius: 4px;
  font-family: monospace;
  letter-spacing: 0.5px;
}

/* ---------------- 框架 03: neural_network (神经拓扑智算) ---------------- */
.ai-framework-neural-network {
  background-image: radial-gradient(var(--ai-primary-light) 1.5px, transparent 1.5px);
  background-size: 28px 28px;
}
.ai-framework-neural-network .ai-hero {
  background: var(--ai-hero-ambient), var(--ai-bg-page);
}
.ai-framework-neural-network .ai-solution-card {
  border: 1.5px solid var(--ai-card-border) !important;
  border-radius: 18px !important;
  background: linear-gradient(145deg, var(--ai-card-bg) 0%, var(--ai-primary-light) 100%);
  box-shadow: 0 12px 32px -8px rgba(0, 0, 0, 0.08);
  position: relative;
}
.ai-framework-neural-network .ai-solution-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--ai-gradient);
  border-radius: 18px 18px 0 0;
}

/* ---------------- 框架 04: cloud_native_saas (云原生SaaS平台) ---------------- */
.ai-framework-cloud-native-saas .ai-hero {
  background: var(--ai-hero-ambient), var(--ai-bg-page);
}
.ai-framework-cloud-native-saas .ai-solution-card,
.ai-framework-cloud-native-saas .ai-feature-card {
  border-radius: 16px !important;
  border: 1.5px solid var(--ai-card-border);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
  backdrop-filter: blur(12px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.ai-framework-cloud-native-saas .ai-solution-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.1);
  border-color: var(--ai-primary);
}

/* ---------------- 框架 05: quantum_matrix (量子矩阵实验室) ---------------- */
.ai-framework-quantum-matrix {
  background-image: linear-gradient(to right, var(--ai-card-border) 1px, transparent 1px),
                    linear-gradient(to bottom, var(--ai-card-border) 1px, transparent 1px);
  background-size: 32px 32px;
}
.ai-framework-quantum-matrix .ai-hero {
  background: var(--ai-hero-ambient), var(--ai-bg-page);
}
.ai-framework-quantum-matrix .ai-solution-card {
  border: 1.5px solid var(--ai-card-border) !important;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
  border-radius: 10px;
  position: relative;
}
.ai-framework-quantum-matrix .ai-solution-card::after {
  content: "QUANTUM LAB // 01";
  position: absolute;
  top: 14px;
  right: 14px;
  font-size: 9px;
  font-weight: 800;
  color: var(--ai-primary);
  letter-spacing: 0.5px;
}

/* ---------------- 框架 06: industrial_turnkey (工业交钥匙工程) ---------------- */
.ai-framework-industrial-turnkey .ai-hero-title {
  letter-spacing: -0.5px;
  font-weight: 900;
}
.ai-framework-industrial-turnkey .ai-solution-card {
  border-top: 5px solid var(--ai-primary);
  border-radius: 6px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.06);
}

/* ---------------- 框架 07: heavy_machinery (重工重载装备) ---------------- */
.ai-framework-heavy-machinery {
  background-image: repeating-linear-gradient(45deg, rgba(15, 23, 42, 0.015) 0px, rgba(15, 23, 42, 0.015) 2px, transparent 2px, transparent 8px);
}
.ai-framework-heavy-machinery .ai-hero-title {
  font-weight: 950;
  letter-spacing: -1.5px;
  text-transform: uppercase;
}
.ai-framework-heavy-machinery .ai-solution-card,
.ai-framework-heavy-machinery .ai-feature-card {
  border: 3px solid var(--ai-text-main) !important;
  border-radius: 0px !important;
  box-shadow: 6px 6px 0px var(--ai-text-main) !important;
}

/* ---------------- 框架 08: precision_instruments (精密仪器微控) ---------------- */
.ai-framework-precision-instruments {
  background-image: linear-gradient(to right, var(--ai-card-border) 1px, transparent 1px),
                    linear-gradient(to bottom, var(--ai-card-border) 1px, transparent 1px);
  background-size: 20px 20px;
}
.ai-framework-precision-instruments .ai-solution-card,
.ai-framework-precision-instruments .ai-feature-card {
  border: 1.5px solid var(--ai-card-border) !important;
  border-radius: 4px !important;
  position: relative;
  background: var(--ai-card-bg);
}
.ai-framework-precision-instruments .ai-solution-card::before {
  content: 'TOLERANCE ±0.001mm';
  position: absolute;
  top: 12px;
  right: 14px;
  font-size: 9px;
  font-weight: 900;
  font-family: monospace;
  color: var(--ai-primary);
  letter-spacing: 0.5px;
}

/* ---------------- 框架 09: energy_infrastructure (新能源与双碳基建) ---------------- */
.ai-framework-energy-infrastructure .ai-hero {
  background: var(--ai-hero-ambient), var(--ai-bg-page);
}
.ai-framework-energy-infrastructure .ai-solution-card {
  border-radius: 20px !important;
  border: 1.5px solid var(--ai-card-border);
  background: var(--ai-card-bg);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
}

/* ---------------- 框架 10: smart_factory (智慧数字孪生车间) ---------------- */
.ai-framework-smart-factory .ai-hero {
  background: var(--ai-hero-ambient), var(--ai-bg-page);
}
.ai-framework-smart-factory .ai-solution-card {
  background: var(--ai-card-bg);
  border: 1.5px solid var(--ai-card-border);
  border-top: 4px solid var(--ai-primary);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.1);
  border-radius: 10px;
}

/* ---------------- 框架 11: b2b_growth_funnel (B2B增长获客漏斗) ---------------- */
.ai-framework-b2b-growth-funnel .ai-solution-card {
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
  border: 2px solid var(--ai-primary);
  border-radius: 10px;
}

/* ---------------- 框架 12: cross_border_trade (跨境出海贸易) ---------------- */
.ai-framework-cross-border-trade .ai-hero {
  background: var(--ai-hero-ambient), var(--ai-bg-page);
}
.ai-framework-cross-border-trade .ai-solution-card {
  border-left: 5px solid var(--ai-primary);
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
}

/* ---------------- 框架 13: supply_chain_logistics (全域供应链枢纽) ---------------- */
.ai-framework-supply-chain-logistics .ai-solution-card {
  border-left: 5px solid var(--ai-primary);
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.05);
}

/* ---------------- 框架 14: financial_capital (产融结合与创投) ---------------- */
.ai-framework-financial-capital .ai-solution-specs {
  background: var(--ai-primary-light) !important;
  border-left: 4px solid var(--ai-primary) !important;
  color: var(--ai-text-main) !important;
  font-weight: 700;
}
.ai-framework-financial-capital .ai-solution-card {
  border-radius: 8px;
  border: 1.5px solid var(--ai-card-border);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.05);
}

/* ---------------- 框架 15: legal_compliance (涉外法务与风控) ---------------- */
.ai-framework-legal-compliance .ai-hero-title,
.ai-framework-legal-compliance .ai-section-title {
  font-family: "Songti SC", "SimSun", Georgia, serif;
  font-weight: 800;
}
.ai-framework-legal-compliance .ai-solution-card {
  border: 2px solid var(--ai-primary);
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

/* ---------------- 框架 16: executive_consulting (战略智库白皮书) ---------------- */
.ai-framework-executive-consulting .ai-hero-title {
  font-family: "Songti SC", "SimSun", Georgia, serif;
  font-weight: 800;
}
.ai-framework-executive-consulting .ai-solution-card {
  border-top: 5px solid var(--ai-primary);
  border-radius: 6px;
  border: 1.5px solid var(--ai-card-border);
  border-top-width: 5px;
}

/* ---------------- 框架 17: academy_education (产学研协同基地) ---------------- */
.ai-framework-academy-education .ai-hero-title,
.ai-framework-academy-education .ai-section-title {
  font-family: "Songti SC", "SimSun", Georgia, serif;
}
.ai-framework-academy-education .ai-solution-card {
  border-radius: 6px;
  border-left: 5px solid var(--ai-primary);
  background: var(--ai-card-bg);
}

/* ---------------- 框架 18: biomedical_health (生物医药临床全案) ---------------- */
.ai-framework-biomedical-health .ai-hero {
  background: var(--ai-hero-ambient), var(--ai-bg-page);
}
.ai-framework-biomedical-health .ai-solution-card {
  border-radius: 12px;
  border: 1.5px solid var(--ai-card-border);
  border-top: 4px solid var(--ai-primary);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
}

/* ---------------- 框架 19: civic_public (政企协同新基建) ---------------- */
.ai-framework-civic-public .ai-header {
  border-bottom: 3px solid var(--ai-primary);
}
.ai-framework-civic-public .ai-solution-card {
  border-radius: 6px;
  border: 1.5px solid var(--ai-card-border);
}

/* ---------------- 框架 20: safety_defense (特种安全与安防) ---------------- */
.ai-framework-safety-defense .ai-solution-card {
  border: 2px solid var(--ai-card-border);
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}
.ai-framework-safety-defense .ai-solution-card:hover {
  border-color: var(--ai-primary);
}

/* ---------------- 框架 21: showcase_minimal (极简画卷大字流) ---------------- */
.ai-framework-showcase-minimal .ai-hero {
  padding: 110px 0 90px 0;
}
.ai-framework-showcase-minimal .ai-hero-title {
  letter-spacing: -2px;
  font-weight: 850;
  font-size: 56px;
}
.ai-framework-showcase-minimal .ai-solution-card {
  border: none;
  border-bottom: 1.5px solid var(--ai-card-border);
  border-radius: 0;
  padding: 32px 0;
  background: transparent;
  box-shadow: none;
}

/* ---------------- 框架 22: magazine_editorial (先锋杂志画报) ---------------- */
.ai-framework-magazine-editorial .ai-hero-title {
  font-family: "Playfair Display", Didot, "Songti SC", Georgia, serif;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.ai-framework-magazine-editorial .ai-section-title {
  font-family: "Playfair Display", Didot, "Songti SC", Georgia, serif;
}
.ai-framework-magazine-editorial .ai-solution-card {
  border: none;
  border-top: 3px solid var(--ai-primary);
  border-radius: 0;
  padding: 32px 12px;
}

/* ---------------- 框架 23: dark_luxury (深黑暗夜轻奢) ---------------- */
.ai-framework-dark-luxury {
  background-color: #0b0f17 !important;
  color: #d1d5db !important;
}
.ai-framework-dark-luxury .ai-solution-card,
.ai-framework-dark-luxury .ai-card {
  background: rgba(15, 23, 42, 0.8) !important;
  border: 1.5px solid var(--ai-primary) !important;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
  backdrop-filter: blur(12px);
}
.ai-framework-dark-luxury .ai-hero-title {
  color: #f8fafc !important;
  font-weight: 700;
  letter-spacing: 1px;
}

/* ---------------- 框架 24: nordic_clean (北欧纯净留白) ---------------- */
.ai-framework-nordic-clean {
  background-color: var(--ai-bg-page);
}
.ai-framework-nordic-clean .ai-solution-card,
.ai-framework-nordic-clean .ai-feature-card {
  border-radius: 20px !important;
  border: 1px solid var(--ai-card-border);
  background: var(--ai-card-bg);
  box-shadow: 0 4px 20px rgba(0,0,0,0.02);
}

/* ---------------- 框架 25: neo_brutalism (新粗野先锋几何) ---------------- */
.ai-framework-neo-brutalism .ai-solution-card,
.ai-framework-neo-brutalism .ai-feature-card,
.ai-framework-neo-brutalism .ai-btn-primary {
  border-radius: 0px !important;
  border: 3px solid var(--ai-text-main) !important;
  box-shadow: 6px 6px 0px var(--ai-primary) !important;
}
.ai-framework-neo-brutalism .ai-hero-title {
  text-transform: uppercase;
  letter-spacing: -1px;
  font-weight: 900;
}

/* ---------------- 框架 26: local_life_hub (属地便民服务中心) ---------------- */
.ai-framework-local-life-hub .ai-solution-card {
  border-radius: 10px;
  padding: 24px;
  border: 1.5px solid var(--ai-card-border);
  border-top: 4px solid var(--ai-primary);
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

/* ---------------- 框架 27: matrix_portal (全景综合门户) ---------------- */
.ai-framework-matrix-portal .ai-hero {
  text-align: center;
}
.ai-framework-matrix-portal .ai-solution-card {
  border-radius: 10px;
  border: 1.5px solid var(--ai-card-border);
}

/* ---------------- 框架 28: chain_store_hq (全国品牌连锁总舵) ---------------- */
.ai-framework-chain-store-hq .ai-hero {
  background: var(--ai-hero-ambient), var(--ai-bg-page);
}
.ai-framework-chain-store-hq .ai-solution-card {
  border-top: 5px solid var(--ai-primary);
  border-radius: 10px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
}

/* ---------------- 框架 29: automotive_service (汽车工业与后市场) ---------------- */
.ai-framework-automotive-service .ai-hero-title {
  letter-spacing: -0.5px;
}
.ai-framework-automotive-service .ai-solution-card {
  border-left: 5px solid var(--ai-primary);
  border-radius: 6px;
}

/* ---------------- 框架 30: property_management (高端楼宇物管枢纽) ---------------- */
.ai-framework-property-management .ai-solution-card {
  border-radius: 12px;
  border: 1.5px solid var(--ai-card-border);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
}

/* ---------------- 框架 31: eco_tourism_resort (生态文旅度假村) ---------------- */
.ai-framework-eco-tourism-resort .ai-hero {
  background: var(--ai-hero-ambient), var(--ai-bg-page);
}
.ai-framework-eco-tourism-resort .ai-solution-card {
  border-radius: 20px;
  border: 1.5px solid var(--ai-card-border);
  border-top: 4px solid var(--ai-primary);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
}

/* ---------------- 框架 32: city_landmark_pavilion (城市地标会客厅) ---------------- */
.ai-framework-city-landmark-pavilion .ai-hero-title {
  font-family: "Songti SC", "SimSun", Georgia, serif;
  font-size: 50px;
}
.ai-framework-city-landmark-pavilion .ai-solution-card {
  border-radius: 6px;
  border: 1.5px solid var(--ai-card-border);
  border-top: 4px solid var(--ai-primary);
}

/* ---------------- 框架 33: cultural_heritage_museum (非遗文化数字馆) ---------------- */
.ai-framework-cultural-heritage-museum .ai-hero-title,
.ai-framework-cultural-heritage-museum .ai-section-title {
  font-family: "Kaiti SC", "Songti SC", Georgia, serif;
  font-weight: 800;
  letter-spacing: 2px;
}
.ai-framework-cultural-heritage-museum .ai-solution-card {
  border-radius: 4px;
  border: 2px solid var(--ai-primary);
  background: var(--ai-card-bg);
  position: relative;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.05);
}

/* ---------------- 框架 34: boutique_homestay (高端野奢民宿) ---------------- */
.ai-framework-boutique-homestay .ai-hero-title {
  font-weight: 300;
  letter-spacing: 3px;
}
.ai-framework-boutique-homestay .ai-solution-card {
  border-radius: 20px;
  border: 1px solid var(--ai-card-border);
  padding: 36px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}

/* ---------------- 框架 35: scenic_route_travel (全域自驾游全景线) ---------------- */
.ai-framework-scenic-route-travel .ai-solution-card {
  border-left: 5px solid var(--ai-primary);
  border-radius: 10px;
}

/* ---------------- 框架 36: rehabilitation_care (专业康复颐养中心) ---------------- */
.ai-framework-rehabilitation-care .ai-hero {
  background: var(--ai-hero-ambient), var(--ai-bg-page);
}
.ai-framework-rehabilitation-care .ai-solution-card {
  border-radius: 14px;
  border: 1.5px solid var(--ai-card-border);
  border-left: 5px solid var(--ai-primary);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.04);
}

/* ---------------- 框架 37: tcm_wellness_pavilion (国医精萃养生堂) ---------------- */
.ai-framework-tcm-wellness-pavilion .ai-hero-title,
.ai-framework-tcm-wellness-pavilion .ai-section-title {
  font-family: "Songti SC", "SimSun", Georgia, serif;
}
.ai-framework-tcm-wellness-pavilion .ai-solution-card {
  border: 1.5px solid var(--ai-card-border);
  border-top: 5px solid var(--ai-primary);
  border-radius: 6px;
}

/* ---------------- 框架 38: telehealth_clinic (数智专科门诊) ---------------- */
.ai-framework-telehealth-clinic .ai-solution-card {
  border: 1.5px solid var(--ai-card-border);
  border-left: 4px solid var(--ai-primary);
  border-radius: 10px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
}

/* ---------------- 框架 39: sports_fitness_lab (运动体能评估中心) ---------------- */
.ai-framework-sports-fitness-lab .ai-hero-title {
  font-weight: 900;
}
.ai-framework-sports-fitness-lab .ai-solution-card {
  border-left: 6px solid var(--ai-primary);
  border-radius: 4px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
}

/* ---------------- 框架 40: dental_aesthetic_center (微笑美学齿科中心) ---------------- */
.ai-framework-dental-aesthetic-center .ai-solution-card {
  border-radius: 18px;
  border: 1.5px solid var(--ai-card-border);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
}

/* ---------------- 框架 41: artisan_bakery_cafe (精品烘焙与咖啡馆) ---------------- */
.ai-framework-artisan-bakery-cafe .ai-hero {
  background: var(--ai-hero-ambient), var(--ai-bg-page);
}
.ai-framework-artisan-bakery-cafe .ai-solution-card {
  border-radius: 14px;
  border: 1.5px solid var(--ai-card-border);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.04);
}

/* ---------------- 框架 42: fine_dining_restaurant (黑珍珠品质餐厅) ---------------- */
.ai-framework-fine-dining-restaurant .ai-hero-title {
  font-family: "Playfair Display", "Songti SC", Georgia, serif;
  font-weight: 700;
  letter-spacing: 1.5px;
}
.ai-framework-fine-dining-restaurant .ai-solution-card {
  border: 1.5px solid var(--ai-primary);
  border-radius: 0px;
  padding: 32px;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.06);
}

/* ---------------- 框架 43: organic_farm_fresh (有机生态智慧农场) ---------------- */
.ai-framework-organic-farm-fresh .ai-solution-card {
  border-radius: 16px;
  border: 1.5px solid var(--ai-card-border);
  border-top: 4px solid var(--ai-primary);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.04);
}

/* ---------------- 框架 44: craft_tea_experience (当代东方茶空间) ---------------- */
.ai-framework-craft-tea-experience .ai-hero-title {
  font-family: "Songti SC", "SimSun", Georgia, serif;
  letter-spacing: 2px;
}
.ai-framework-craft-tea-experience .ai-solution-card {
  border: none;
  border-bottom: 2px solid var(--ai-card-border);
  border-radius: 0;
  padding: 28px 12px;
}

/* ---------------- 框架 45: trendy_retail_flagship (新消费潮流旗舰店) ---------------- */
.ai-framework-trendy-retail-flagship .ai-solution-card {
  border-radius: 12px;
  border: 2.5px solid var(--ai-text-main);
  box-shadow: 5px 5px 0px var(--ai-primary);
}

/* ---------------- 框架 46: vocational_skills_academy (现代职业技能学院) ---------------- */
.ai-framework-vocational-skills-academy .ai-solution-card {
  border-top: 5px solid var(--ai-primary);
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
}

/* ---------------- 框架 47: executive_mba_forum (高级领袖研习商学院) ---------------- */
.ai-framework-executive-mba-forum .ai-hero-title {
  font-family: "Songti SC", "SimSun", Georgia, serif;
}
.ai-framework-executive-mba-forum .ai-solution-card {
  border: 1.5px solid var(--ai-card-border);
  border-left: 5px solid var(--ai-primary);
  border-radius: 6px;
}

/* ---------------- 框架 48: k12_quality_education (少儿素养成长空间) ---------------- */
.ai-framework-k12-quality-education .ai-solution-card {
  border-radius: 20px;
  border: 2px solid var(--ai-card-border);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
}

/* ---------------- 框架 49: study_abroad_pathway (国际名校升学规划) ---------------- */
.ai-framework-study-abroad-pathway .ai-hero {
  background: var(--ai-hero-ambient), var(--ai-bg-page);
}
.ai-framework-study-abroad-pathway .ai-solution-card {
  border-radius: 10px;
  border-left: 5px solid var(--ai-primary);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
}

/* ---------------- 框架 50: corporate_training_hub (企业大学内训中枢) ---------------- */
.ai-framework-corporate-training-hub .ai-solution-card {
  border-radius: 8px;
  border: 1.5px solid var(--ai-card-border);
  border-top: 5px solid var(--ai-primary);
}

/* ---------------- 框架 51: architectural_design_studio (建筑大师设计事务所) ---------------- */
.ai-framework-architectural-design-studio {
  background-image: linear-gradient(to right, var(--ai-card-border) 1px, transparent 1px),
                    linear-gradient(to bottom, var(--ai-card-border) 1px, transparent 1px);
  background-size: 30px 30px;
}
.ai-framework-architectural-design-studio .ai-hero-title {
  font-size: 52px;
  font-weight: 850;
  letter-spacing: -1.5px;
}
.ai-framework-architectural-design-studio .ai-solution-card {
  border-radius: 0px;
  border: 2px solid var(--ai-text-main);
  padding: 32px;
  box-shadow: 6px 6px 0px var(--ai-primary);
}

/* ---------------- 框架 52: civil_construction_epc (大型路桥市政总包) ---------------- */
.ai-framework-civil-construction-epc .ai-solution-card {
  border: 2px solid var(--ai-card-border);
  border-top: 6px solid var(--ai-primary);
  border-radius: 4px;
}

/* ---------------- 框架 53: interior_soft_decoration (高端全案空间定制) ---------------- */
.ai-framework-interior-soft-decoration .ai-solution-card {
  border-radius: 14px;
  border: 1px solid var(--ai-card-border);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
}

/* ---------------- 框架 54: landscape_garden_art (生态园林景观艺术) ---------------- */
.ai-framework-landscape-garden-art .ai-solution-card {
  border-radius: 18px;
  border: 1.5px solid var(--ai-card-border);
  border-top: 4px solid var(--ai-primary);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
}

/* ---------------- 框架 55: steel_structure_prefab (绿色装配式建筑工程) ---------------- */
.ai-framework-steel-structure-prefab .ai-solution-card {
  border: 2px solid var(--ai-primary);
  border-radius: 2px;
  position: relative;
}

/* ---------------- 框架 56: tax_accounting_office (财税合规事务所) ---------------- */
.ai-framework-tax-accounting-office .ai-hero-title {
  font-family: "Songti SC", "SimSun", Georgia, serif;
}
.ai-framework-tax-accounting-office .ai-solution-card {
  border: 1.5px solid var(--ai-card-border);
  border-left: 5px solid var(--ai-primary);
  border-radius: 4px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}

/* ---------------- 框架 57: ip_patent_firm (知识产权与专利律所) ---------------- */
.ai-framework-ip-patent-firm .ai-hero-title {
  font-family: "Songti SC", "SimSun", Georgia, serif;
}
.ai-framework-ip-patent-firm .ai-solution-card {
  border: 1.5px solid var(--ai-card-border);
  border-top: 5px solid var(--ai-primary);
  border-radius: 4px;
}

/* ---------------- 框架 58: hr_talent_headhunting (高端猎头与人才中枢) ---------------- */
.ai-framework-hr-talent-headhunting .ai-solution-card {
  border-radius: 10px;
  border: 1.5px solid var(--ai-card-border);
  border-top: 4px solid var(--ai-primary);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.04);
}

/* ---------------- 框架 59: brand_marketing_agency (品牌整合营销全案) ---------------- */
.ai-framework-brand-marketing-agency .ai-solution-card {
  border-radius: 16px;
  border: 1.5px solid var(--ai-card-border);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
}

/* ---------------- 框架 60: audit_valuation_center (资产评估与审计中心) ---------------- */
.ai-framework-audit-valuation-center .ai-solution-card {
  border: 1.5px solid var(--ai-card-border);
  border-left: 5px solid var(--ai-primary);
  border-radius: 4px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
}

/* ---------------- 通用框架响应式断点适配 ---------------- */
@media (max-width: 992px) {
  .ai-framework-city-landmark-pavilion .ai-solutions-grid,
  .ai-framework-magazine-editorial .ai-solutions-grid,
  .ai-framework-boutique-homestay .ai-solutions-grid,
  .ai-framework-fine-dining-restaurant .ai-solutions-grid,
  .ai-framework-architectural-design-studio .ai-solutions-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   前台页面底部模块样式 (热门方案检索条 / 城市分站网络 / 友情链接生态条)
   ========================================================================== */

/* 1. 全国/城市热门方案检索条 */
.ai-bottom-keywords-strip {
  background: var(--ai-card-bg, #ffffff);
  border-top: 1px solid var(--ai-card-border, #e2e8f0);
  border-bottom: 1px solid var(--ai-card-border, #e2e8f0);
  padding: 16px 0;
}

.ai-bottom-keywords-label {
  font-size: 13px;
  font-weight: 750;
  color: var(--ai-text-main, #0f172a);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
}

.ai-bottom-keywords-wrap {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  flex: 1;
}

.ai-bottom-keyword-tag {
  background: var(--ai-bg-page, #f8fafc);
  border: 1px solid var(--ai-card-border, #cbd5e1);
  color: var(--ai-text-body, #334155);
  padding: 4px 12px;
  border-radius: 16px;
  font-size: 12.5px;
  text-decoration: none;
  transition: all 0.2s ease;
}

.ai-bottom-keyword-tag:hover {
  background: var(--ai-primary);
  color: #ffffff !important;
  border-color: var(--ai-primary);
  transform: translateY(-1px);
}

/* 2. 全国各省市分站服务网络 (SEO 权重与内链引擎) */
.ai-bottom-city-matrix {
  background: var(--ai-bg-page, #f1f5f9);
  padding: 36px 0;
  border-top: 1px solid var(--ai-card-border, #e2e8f0);
}

.ai-bottom-matrix-title {
  font-size: 14.5px;
  font-weight: 750;
  color: var(--ai-text-main, #0f172a);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.ai-bottom-matrix-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.ai-bottom-city-item {
  background: var(--ai-card-bg, #ffffff);
  border: 1px solid var(--ai-card-border, #e2e8f0);
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 12.5px;
  color: var(--ai-text-body, #334155);
  text-decoration: none;
  transition: all 0.2s ease;
}

.ai-bottom-city-item:hover {
  background: var(--ai-primary);
  color: #ffffff !important;
  border-color: var(--ai-primary);
  transform: translateY(-1px);
}

.ai-bottom-city-item.active {
  background: var(--ai-primary);
  color: #ffffff !important;
  border-color: var(--ai-primary);
  font-weight: 700;
}

/* 3. 页脚跳转与友情链接生态条 */
.ai-bottom-footer-links {
  background: var(--ai-card-bg, #ffffff);
  border-top: 1px solid var(--ai-card-border, #e2e8f0);
  border-bottom: 1px solid var(--ai-card-border, #e2e8f0);
  padding: 20px 0;
}

.ai-bottom-links-inner {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}

.ai-bottom-links-label {
  font-size: 13px;
  font-weight: 750;
  color: var(--ai-text-main, #0f172a);
  white-space: nowrap;
  padding-top: 4px;
}

.ai-bottom-links-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: center;
  flex: 1;
}

.ai-bottom-link-tag {
  color: var(--ai-text-muted, #64748b);
  font-size: 12.5px;
  text-decoration: none;
  transition: all 0.2s ease;
  padding: 2px 6px;
  border-radius: 4px;
}

.ai-bottom-link-tag:hover {
  color: var(--ai-primary);
  background: var(--ai-primary-light, #eff6ff);
}

/* 暗黑模式适配 */
body.ai-dark-theme .ai-bottom-keywords-strip,
body.ai-dark-theme .ai-bottom-footer-links {
  background: rgba(15, 23, 42, 0.95);
  border-color: rgba(255, 255, 255, 0.1);
}

body.ai-dark-theme .ai-bottom-keyword-tag,
body.ai-dark-theme .ai-bottom-city-item {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
  color: #cbd5e1;
}

body.ai-dark-theme .ai-bottom-keyword-tag:hover,
body.ai-dark-theme .ai-bottom-city-item:hover,
body.ai-dark-theme .ai-bottom-city-item.active {
  background: var(--ai-primary);
  color: #ffffff !important;
  border-color: var(--ai-primary);
}

body.ai-dark-theme .ai-bottom-city-matrix {
  background: #080c14;
  border-color: rgba(255, 255, 255, 0.1);
}