/* ==========================================================================
   极速云 (JisuCloud) 官方落地页样式表 - 原生极简原生 CSS (浅色清新科技风)
   特点：零依赖、秒开级渲染、全设备响应式、清新明亮、现代科技
   ========================================================================== */

:root {
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  --border-color: #e2e8f0;
  --border-highlight: rgba(37, 99, 235, 0.4);
  --text-main: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-gradient: linear-gradient(135deg, #2563eb 0%, #0284c7 100%);
  --accent-purple: #7c3aed;
  --accent-green: #059669;
  --accent-orange: #d97706;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --container-max: 1200px;
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.06), 0 1px 2px -1px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 4px 20px -2px rgba(15, 23, 42, 0.06), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
  --shadow-glow: 0 10px 25px -5px rgba(37, 99, 235, 0.2);
  --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-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 12% 10%, rgba(37, 99, 235, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 88% 25%, rgba(14, 165, 233, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 50% 90%, rgba(99, 102, 241, 0.04) 0%, transparent 50%);
  background-attachment: fixed;
}

a {
  color: inherit;
  text-decoration: none;
}

img, svg {
  vertical-align: middle;
}

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

/* 导航栏 */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background-color: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.03);
  transition: var(--transition);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-main);
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: var(--primary-gradient);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* 核心 CTA 按钮规范 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.98rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
  text-align: center;
}

.btn-primary {
  background: var(--primary-gradient);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(37, 99, 235, 0.5);
  color: #fff;
}

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

.btn-secondary:hover {
  background: #f1f5f9;
  border-color: #cbd5e1;
  color: var(--primary);
  transform: translateY(-2px);
}

.btn-large {
  padding: 16px 36px;
  font-size: 1.1rem;
}

.btn-block {
  width: 100%;
}

/* 主视觉区 (Hero Section) */
.hero {
  padding: 90px 0 70px;
  text-align: center;
  position: relative;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  border-radius: var(--radius-full);
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.2);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 24px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-green);
  box-shadow: 0 0 8px rgba(5, 150, 105, 0.6);
}

.hero-title {
  font-size: clamp(2.3rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -1px;
  color: var(--text-main);
  margin-bottom: 24px;
}

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

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 720px;
  margin: 0 auto 36px;
  font-weight: 400;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.hero-image-wrapper {
  max-width: 1040px;
  margin: 0 auto 36px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 45px -15px rgba(37, 99, 235, 0.18), 0 0 0 1px rgba(226, 232, 240, 0.9);
  position: relative;
  background: #ffffff;
}

.hero-banner-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: var(--radius-lg);
  transition: transform 0.4s ease;
}

.hero-image-wrapper:hover .hero-banner-img {
  transform: scale(1.012);
}

.hero-trust-list {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 36px;
  flex-wrap: wrap;
  padding: 22px 28px;
  border-radius: var(--radius-lg);
  background: #ffffff;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  max-width: 900px;
  margin: 0 auto;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.trust-item svg {
  color: var(--accent-green);
}

/* 通用章节样式 */
.section {
  padding: 85px 0;
}

.section-alt {
  background-color: #ffffff;
  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 56px;
}

.section-tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-main);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

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

.feature-icon-box {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-sm);
  background: rgba(37, 99, 235, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 22px;
  border: 1px solid rgba(37, 99, 235, 0.15);
}

.feature-card h3 {
  font-size: 1.28rem;
  margin-bottom: 12px;
  font-weight: 700;
  color: var(--text-main);
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* 流媒体与 AI 支持区 */
.unlock-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-bottom: 40px;
}

.unlock-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.unlock-box:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-card);
}

.unlock-box-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

.unlock-box-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-stream {
  background: #fef2f2;
  color: #dc2626;
  border: 1px solid #fecaca;
}

.icon-ai {
  background: #f5f3ff;
  color: #7c3aed;
  border: 1px solid #ddd6fe;
}

.unlock-box h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
}

.unlock-box p {
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-size: 0.96rem;
}

.tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  font-size: 0.88rem;
  font-weight: 500;
  color: #334155;
}

.tag-badge svg {
  color: var(--accent-green);
}

/* 套餐价格对比表 */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  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 {
  border-color: #cbd5e1;
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}

.pricing-card.featured {
  background: linear-gradient(180deg, #f0f7ff 0%, #ffffff 100%);
  border: 2px solid var(--primary);
  box-shadow: var(--shadow-glow);
  transform: scale(1.03);
  z-index: 2;
}

.pricing-card.featured:hover {
  transform: scale(1.04) translateY(-4px);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-gradient);
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: var(--radius-full);
  letter-spacing: 0.5px;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

.plan-name {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}

.plan-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 22px;
  min-height: 42px;
}

.plan-price-box {
  margin-bottom: 6px;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.currency {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary);
}

.amount {
  font-size: 2.85rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1;
}

.period {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.plan-sub-billing {
  font-size: 0.82rem;
  color: #0284c7;
  font-weight: 600;
  background: #f0f9ff;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  display: inline-block;
  margin-bottom: 22px;
  border: 1px solid #bae6fd;
}

.payment-methods-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 36px;
  padding: 16px 20px;
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.payment-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-weight: 500;
  color: #334155;
  font-size: 0.85rem;
}

.plan-features {
  list-style: none;
  margin-bottom: 32px;
  flex-grow: 1;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.93rem;
  color: #334155;
  padding: 9px 0;
  border-bottom: 1px dashed #e2e8f0;
}

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

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

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

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

.stars {
  display: flex;
  gap: 4px;
  color: #f59e0b;
  margin-bottom: 16px;
}

.review-content {
  font-size: 0.95rem;
  color: #334155;
  line-height: 1.65;
  margin-bottom: 24px;
}

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

.avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #e0e7ff, #c7d2fe);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: var(--primary);
  border: 1px solid #cbd5e1;
}

.user-meta h3,
.user-meta h4 {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text-main);
  margin: 0 0 2px 0;
}

.user-meta p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* 常见问题解答 (FAQ) */
.faq-list {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

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

.faq-item[open] {
  border-color: rgba(37, 99, 235, 0.4);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.08);
}

.faq-summary {
  padding: 20px 24px;
  cursor: pointer;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
  list-style: none;
}

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

.faq-icon-arrow {
  transition: transform 0.25s ease;
  color: var(--text-muted);
}

.faq-item[open] .faq-icon-arrow {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-answer {
  padding: 0 24px 22px;
  color: var(--text-secondary);
  font-size: 0.96rem;
  line-height: 1.7;
  border-top: 1px solid #f1f5f9;
  padding-top: 16px;
}

/* 底部极简规范页脚 */
.footer {
  background-color: #ffffff;
  border-top: 1px solid var(--border-color);
  padding: 50px 0 35px;
  text-align: center;
}

.footer-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 48px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.footer-nav-link {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
  padding: 4px 8px;
}

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

.footer-divider {
  width: 1px;
  height: 16px;
  background-color: #cbd5e1;
}

.footer-copy {
  color: var(--text-muted);
  font-size: 0.88rem;
}

/* 子页面通用布局规范 (关于我们、服务条款、隐私政策、网站地图) */
.subpage-header {
  padding: 70px 0 40px;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
  background: #ffffff;
}

.subpage-title {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 14px;
}

.subpage-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}

.doc-content {
  padding: 60px 0 80px;
  max-width: 860px;
  margin: 0 auto;
}

.doc-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 44px;
  margin-bottom: 30px;
  box-shadow: var(--shadow-sm);
}

.doc-card h2 {
  font-size: 1.5rem;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-main);
  border-bottom: 1px solid #f1f5f9;
  padding-bottom: 12px;
}

.doc-card p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 16px;
}

.doc-card ul {
  padding-left: 20px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.doc-card li {
  margin-bottom: 8px;
}

.doc-card strong {
  color: var(--text-main);
}

.highlight-box {
  background: #eff6ff;
  border-left: 4px solid var(--primary);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 20px 0;
  color: #1e40af;
}

.danger-box {
  background: #fef2f2;
  border-left: 4px solid #ef4444;
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 20px 0;
  color: #991b1b;
}

/* ==========================================================================
   响应式媒体查询 (@media) - 确保手机端完美单栏与优质触控体验
   ========================================================================== */

@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-card.featured {
    transform: none;
  }
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-container {
    height: auto;
    flex-wrap: wrap;
    padding: 10px 0;
    gap: 8px;
  }

  .navbar .nav-links {
    display: flex;
    order: 3;
    width: 100%;
    overflow-x: auto;
    white-space: nowrap;
    gap: 12px;
    padding: 6px 2px 4px;
    -webkit-overflow-scrolling: touch;
    border-top: 1px solid var(--border-color);
  }

  .navbar .nav-links li {
    flex-shrink: 0;
  }

  .navbar .nav-links a {
    font-size: 0.88rem;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    background: #f1f5f9;
    color: var(--text-secondary);
  }

  .navbar .nav-links a:hover {
    color: var(--primary);
    background: #e2e8f0;
  }

  .hero {
    padding: 60px 0 45px;
  }

  .hero-title {
    font-size: 2.1rem;
  }

  .hero-subtitle {
    font-size: 1rem;
    margin-bottom: 28px;
  }

  .hero-cta {
    flex-direction: column;
    width: 100%;
    gap: 12px;
  }

  .hero-cta .btn {
    width: 100%;
    min-height: 50px;
  }

  .hero-trust-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 18px 20px;
  }

  .section {
    padding: 60px 0;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .unlock-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .unlock-box {
    padding: 24px;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .pricing-card {
    padding: 30px 22px;
  }

  .reviews-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .faq-summary {
    padding: 18px 20px;
    font-size: 1rem;
  }

  .footer-nav {
    flex-direction: column;
    gap: 18px;
  }

  .footer-divider {
    display: none;
  }

  .footer-nav-link {
    font-size: 1.1rem;
    padding: 8px 16px;
    width: 100%;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-sm);
  }

  .doc-card {
    padding: 24px 20px;
  }

  .btn {
    min-height: 48px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.85rem;
  }
  .section-title {
    font-size: 1.6rem;
  }
  .amount {
    font-size: 2.6rem;
  }
}

/* ==========================================================================
   高科技网格卡片 (Grid Cards) 专栏布局
   ========================================================================== */

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 24px;
}

.article-grid-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  position: relative;
}

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

.article-card-header {
  margin-bottom: 12px;
}

.article-card-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.2);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.article-card-title {
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.45;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-card-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  padding-top: 14px;
  border-top: 1px dashed var(--border-color);
  margin-bottom: 16px;
}

.article-link {
  color: var(--primary);
  text-decoration: underline;
  font-weight: 600;
}

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

@media (max-width: 1024px) {
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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