/* ==========================================================================
   自由猫 (FreeCat) - 纯原生轻量 CSS 样式库 (现代高级浅色设计规范)
   零外部依赖 | 极致秒开 | 全端响应式自适应 | 清爽现代商务质感
   ========================================================================== */

:root {
  /* 浅色模式核心背景色 */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  --bg-subtle: #f1f5f9;
  
  /* 边框与阴影 */
  --border-color: #e2e8f0;
  --border-light: #f1f5f9;
  --border-highlight: rgba(99, 102, 241, 0.45);
  
  /* 现代文字色彩层级 */
  --text-main: #0f172a;       /* 浓郁深黑，高对比度 */
  --text-muted: #475569;      /* 次级文本，清爽易读 */
  --text-dim: #94a3b8;        /* 辅助说明与占位符 */
  
  /* 品牌高饱和主色与渐变 */
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #0284c7 100%);
  --primary-subtle: rgba(79, 70, 229, 0.08);
  
  --accent-cyan: #0284c7;
  --accent-green: #10b981;
  --accent-amber: #d97706;
  
  /* 投影与圆角 */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 4px 20px -2px rgba(15, 23, 42, 0.06), 0 2px 6px -1px rgba(15, 23, 42, 0.03);
  --shadow-lg: 0 12px 30px -4px rgba(79, 70, 229, 0.12), 0 4px 12px -2px rgba(15, 23, 42, 0.05);
  --shadow-glow: 0 0 25px rgba(79, 70, 229, 0.18);
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --max-width: 1200px;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 基础重置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  scroll-behavior: smooth;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-color: var(--bg-primary);
  /* 柔和的大气科技感光晕背景，增强现代质感 */
  background-image: 
    radial-gradient(circle at 12% 10%, rgba(79, 70, 229, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 88% 30%, rgba(2, 132, 199, 0.06) 0%, transparent 45%),
    radial-gradient(circle at 50% 85%, rgba(124, 58, 237, 0.04) 0%, transparent 50%);
  background-attachment: fixed;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* 顶部导航栏 */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.02);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #0f172a;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 3px 12px rgba(79, 70, 229, 0.25);
  border: 1px solid rgba(79, 70, 229, 0.2);
  flex-shrink: 0;
}

.logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  font-size: 0.95rem;
  color: #475569;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--primary);
}

/* CTA 按钮设计 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  border: 1px solid transparent;
  min-height: 44px;
  user-select: none;
}

.btn-primary {
  background: var(--primary-gradient);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(79, 70, 229, 0.28);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(79, 70, 229, 0.38);
  filter: brightness(1.05);
}

.btn-secondary {
  background: #ffffff;
  color: #334155;
  border-color: #cbd5e1;
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: #f8fafc;
  border-color: #94a3b8;
  color: #0f172a;
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.08rem;
  font-weight: 700;
  min-height: 52px;
}

/* 主视觉区 (Hero) */
.hero {
  padding: 85px 0 65px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 18px;
  border-radius: var(--radius-full);
  background: rgba(79, 70, 229, 0.08);
  border: 1px solid rgba(79, 70, 229, 0.22);
  color: #4338ca;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 26px;
}

.hero h1 {
  font-size: clamp(2.1rem, 5.2vw, 3.4rem);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.6px;
  margin-bottom: 22px;
  color: #0f172a;
}

.hero h1 span.gradient-text {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-muted);
  max-width: 780px;
  margin: 0 auto 38px;
  font-weight: 400;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-image-wrap {
  max-width: 980px;
  margin: 0 auto 40px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 16px 45px -8px rgba(79, 70, 229, 0.16), 0 4px 16px -2px rgba(15, 23, 42, 0.05);
  border: 1px solid var(--border-color);
  background: #ffffff;
  transition: var(--transition);
}

.hero-image-wrap:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 50px -6px rgba(79, 70, 229, 0.22);
  border-color: #c7d2fe;
}

.hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.trust-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
  color: #64748b;
  font-size: 0.92rem;
  font-weight: 500;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.trust-item svg {
  color: var(--accent-green);
  width: 19px;
  height: 19px;
  flex-shrink: 0;
}

/* 通用板块与排版 */
.section {
  padding: 85px 0;
}

.section-darker {
  background: #f1f5f9;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 52px;
}

.section-tag {
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.8px;
  display: block;
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.65rem, 3.5vw, 2.35rem);
  font-weight: 800;
  color: #0f172a;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}

.section-desc {
  font-size: 1.02rem;
  color: var(--text-muted);
}

/* 核心优势卡片 */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px 26px;
  transition: var(--transition);
  position: relative;
  box-shadow: var(--shadow-sm);
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: #c7d2fe;
  box-shadow: var(--shadow-lg);
}

.feature-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: rgba(79, 70, 229, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  color: var(--primary);
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.94rem;
  line-height: 1.65;
}

/* 流媒体与 AI 支持区 */
.services-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.service-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 38px 32px;
  position: relative;
  box-shadow: var(--shadow-md);
}

.service-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.service-badge {
  padding: 4px 12px;
  background: rgba(2, 132, 199, 0.1);
  color: var(--accent-cyan);
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 700;
}

.service-card h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: #0f172a;
}

.service-card p.lead {
  color: var(--text-muted);
  font-size: 0.96rem;
  margin-bottom: 24px;
  line-height: 1.65;
}

.chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  color: #334155;
  transition: var(--transition);
}

.chip:hover {
  background: #ffffff;
  border-color: #cbd5e1;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.chip-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
}

/* 套餐价格表 */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.pricing-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 38px 30px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.pricing-card.featured {
  border: 2px solid var(--primary);
  background: #ffffff;
  box-shadow: 0 12px 35px rgba(79, 70, 229, 0.15);
  transform: scale(1.02);
}

.pricing-card.featured:hover {
  transform: scale(1.02) translateY(-4px);
  box-shadow: 0 16px 40px rgba(79, 70, 229, 0.22);
}

.featured-ribbon {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-gradient);
  color: #ffffff;
  padding: 5px 20px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  box-shadow: 0 3px 12px rgba(79, 70, 229, 0.35);
}

.plan-name {
  font-size: 1.35rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 6px;
}

.plan-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 24px;
  min-height: 44px;
  line-height: 1.6;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
}

.price-currency {
  font-size: 1.45rem;
  font-weight: 700;
  color: #0f172a;
}

.price-num {
  font-size: 2.9rem;
  font-weight: 900;
  color: #0f172a;
  line-height: 1;
}

.price-cycle {
  color: #64748b;
  font-size: 0.92rem;
  font-weight: 500;
}

.plan-features {
  flex-grow: 1;
  margin-bottom: 32px;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #334155;
  font-size: 0.93rem;
  margin-bottom: 13px;
}

.plan-features li strong {
  color: #0f172a;
}

.plan-features li svg {
  flex-shrink: 0;
  color: var(--accent-green);
  width: 18px;
  height: 18px;
}

.pricing-card .btn {
  width: 100%;
}

/* 用户评价 */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 30px 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: #cbd5e1;
  box-shadow: var(--shadow-md);
}

.testimonial-stars {
  color: #f59e0b;
  margin-bottom: 16px;
  font-size: 1.15rem;
  letter-spacing: 2px;
}

.testimonial-text {
  color: #334155;
  font-size: 0.96rem;
  line-height: 1.7;
  margin-bottom: 22px;
  font-style: normal;
}

.testimonial-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(79, 70, 229, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-weight: 800;
  font-size: 1rem;
  border: 1px solid rgba(79, 70, 229, 0.25);
}

.user-meta h4 {
  font-size: 0.98rem;
  color: #0f172a;
  font-weight: 700;
}

.user-meta span {
  font-size: 0.82rem;
  color: #64748b;
}

/* FAQ 常见问题 (原生 details 浅色设计) */
.faq-grid {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 22px 26px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.faq-item:hover {
  border-color: #cbd5e1;
}

.faq-item summary {
  font-size: 1.06rem;
  font-weight: 700;
  color: #0f172a;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-size: 1.45rem;
  color: #64748b;
  font-weight: 400;
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
  content: "−";
  color: var(--primary);
}

.faq-item p {
  margin-top: 14px;
  color: var(--text-muted);
  font-size: 0.96rem;
  line-height: 1.75;
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
}

/* 底部行动呼吁 (Bottom CTA) */
.bottom-cta {
  background: #ffffff;
  border: 1px solid rgba(79, 70, 229, 0.25);
  border-radius: var(--radius-lg);
  padding: 50px 32px;
  text-align: center;
  margin: 46px auto 0;
  max-width: 900px;
  box-shadow: 0 10px 35px rgba(79, 70, 229, 0.1);
  background-image: radial-gradient(circle at 50% 0%, rgba(79, 70, 229, 0.06) 0%, transparent 70%);
}

.bottom-cta h3 {
  font-size: 1.85rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 12px;
}

.bottom-cta p {
  color: var(--text-muted);
  margin-bottom: 26px;
  font-size: 1.04rem;
}

/* 页脚 (只保留四个指定标题，新标签打开) */
.footer {
  margin-top: auto;
  border-top: 1px solid var(--border-color);
  background: #ffffff;
  padding: 44px 0 34px;
  text-align: center;
}

.footer-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}

.footer-nav a {
  color: #334155;
  font-size: 0.98rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.footer-nav a:hover {
  color: var(--primary);
  background: #f1f5f9;
}

.footer-copyright {
  color: #94a3b8;
  font-size: 0.88rem;
}

/* 单独页面容器样式 (关于我们、服务条款、隐私政策、网站地图) */
.page-container {
  max-width: 840px;
  margin: 50px auto 80px;
  padding: 44px 38px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.page-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 24px;
  margin-bottom: 32px;
}

.page-title {
  font-size: 2.1rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 8px;
}

.page-meta {
  color: #64748b;
  font-size: 0.88rem;
}

.article-content {
  color: #334155;
  line-height: 1.85;
  font-size: 1rem;
}

.article-content h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: #0f172a;
  margin: 34px 0 16px;
  padding-left: 12px;
  border-left: 4px solid var(--primary);
}

.article-content p {
  margin-bottom: 18px;
  color: #475569;
}

.article-content ul {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 22px;
  color: #475569;
}

.article-content li {
  margin-bottom: 9px;
}

.article-alert {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: var(--radius-sm);
  padding: 18px 22px;
  margin: 26px 0;
  color: #1e40af;
  line-height: 1.7;
}

.page-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 36px;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.96rem;
}

.page-back-btn:hover {
  text-decoration: underline;
}

/* ==========================================================================
   移动端与响应式适配 (@media)
   确保在手机端完美单栏显示，按钮适合手指点击
   ========================================================================== */

@media (max-width: 992px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
  
  .pricing-card.featured {
    transform: none;
  }
  
  .pricing-card.featured:hover {
    transform: translateY(-4px);
  }
  
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .services-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .hero {
    padding: 50px 0 40px;
  }
  
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-actions .btn {
    width: 100%;
    min-height: 48px;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .trust-bar {
    gap: 16px;
    font-size: 0.84rem;
  }
  
  .footer-nav {
    flex-direction: column;
    gap: 14px;
  }
  
  .footer-nav a {
    width: 100%;
    display: block;
    padding: 12px;
    background: #f1f5f9;
  }
  
  .page-container {
    padding: 26px 20px;
    margin: 20px auto 40px;
  }
}

/* ==========================================================================
   高科技网格卡片 (High-Tech Grid Cards) - 推荐咨询与文章专用组件
   ========================================================================== */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 36px;
}

.article-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.article-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary-gradient);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.article-card:hover {
  transform: translateY(-5px);
  border-color: #c7d2fe;
  box-shadow: var(--shadow-lg);
}

.article-card:hover::before {
  opacity: 1;
}

.article-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.article-tag {
  font-size: 0.76rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: rgba(79, 70, 229, 0.08);
  color: var(--primary);
}

.article-date {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.article-card-title {
  font-size: 1.18rem;
  font-weight: 800;
  color: #0f172a;
  line-height: 1.45;
  margin-bottom: 12px;
  transition: var(--transition);
}

.article-card:hover .article-card-title {
  color: var(--primary);
}

.article-card-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.article-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
  font-size: 0.84rem;
  color: var(--text-dim);
}

.article-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  color: var(--primary);
  font-size: 0.9rem;
}

.article-card-link:hover {
  text-decoration: underline;
}

/* 文章内部高科技网格卡片 (Tech Grid Cards) */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 24px 0;
}

.tech-card {
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  transition: var(--transition);
}

.tech-card:hover {
  background: #ffffff;
  border-color: #cbd5e1;
  box-shadow: 0 4px 12px rgba(0,0,0,0.04);
}

.tech-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tech-card-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
}

@media (max-width: 992px) {
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .articles-grid {
    grid-template-columns: 1fr;
  }
  .tech-grid {
    grid-template-columns: 1fr;
  }
}

