/* ===================================================================
   Nexitally - 极致轻量原生深色 Bento 主题样式表
   极简无冗余框架，纯原生 CSS，移动端自适应，GPU 硬件加速
   =================================================================== */

:root {
  --bg-main: #0B0B14;
  --bg-card: rgba(18, 18, 30, 0.75);
  --bg-card-hover: rgba(25, 25, 42, 0.85);
  --card-border: rgba(255, 255, 255, 0.08);
  --card-border-hover: rgba(236, 72, 153, 0.35);
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --accent-pink: #EC4899;
  --accent-indigo: #6366F1;
  --accent-cyan: #06B6D4;
  --gradient-brand: linear-gradient(135deg, #EC4899 0%, #6366F1 100%);
  --gradient-glow: radial-gradient(circle at 50% 50%, rgba(236, 72, 153, 0.15) 0%, rgba(99, 102, 241, 0.05) 50%, transparent 80%);
  --radius-bento: 22px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-full: 9999px;
  --container-max: 1240px;
  --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::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", "WenQuanYi Micro Hei", sans-serif;
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-main);
  background-image: 
    radial-gradient(ellipse at 50% -20%, rgba(99, 102, 241, 0.18), transparent 70%),
    radial-gradient(ellipse at 80% 60%, rgba(236, 72, 153, 0.08), transparent 60%);
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
}

/* 链接与排版重置 */
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}

ul, ol {
  list-style: none;
}

img, svg {
  display: block;
  max-width: 100%;
}

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

/* 渐变高亮文字 */
.text-gradient {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* 导航栏 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(11, 11, 20, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--card-border);
}

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

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

.logo-badge {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
  font-weight: 900;
  box-shadow: 0 4px 14px rgba(236, 72, 153, 0.4);
}

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

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

.nav-link:hover, .nav-link.active {
  color: #fff;
}

.nav-link-special {
  color: #F472B6;
  position: relative;
  font-weight: 600;
}

.nav-link-special::after {
  content: 'HOT';
  position: absolute;
  top: -8px;
  right: -24px;
  font-size: 0.65rem;
  padding: 1px 5px;
  background: var(--accent-pink);
  color: #fff;
  border-radius: 6px;
  font-weight: 700;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* 通用按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition-smooth);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: 0 4px 18px rgba(236, 72, 153, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(236, 72, 153, 0.5);
  filter: brightness(1.08);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.15);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 15px 36px;
  font-size: 1.05rem;
  border-radius: var(--radius-full);
}

/* 主视觉区 (Hero) */
.hero-section {
  padding: 90px 0 60px;
  text-align: center;
  position: relative;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(236, 72, 153, 0.1);
  border: 1px solid rgba(236, 72, 153, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: #F472B6;
  margin-bottom: 24px;
}

.hero-pill-pulse {
  width: 8px;
  height: 8px;
  background: var(--accent-pink);
  border-radius: 50%;
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(236, 72, 153, 0.7); }
  70% { transform: scale(1.1); box-shadow: 0 0 0 8px rgba(236, 72, 153, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(236, 72, 153, 0); }
}

.hero-title {
  font-size: clamp(2.2rem, 5.5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 760px;
  margin: 0 auto 36px;
  font-weight: 400;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  padding: 20px 32px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-bento);
  max-width: 820px;
  margin: 0 auto;
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.5px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Bento 网格系统 (4列跨行跨列混排) */
.bento-section {
  padding: 70px 0;
}

.section-head {
  text-align: center;
  margin-bottom: 48px;
}

.section-tag {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent-pink);
  margin-bottom: 8px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 800;
  margin-bottom: 12px;
}

.section-desc {
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto;
  font-size: 1rem;
}

/* Bento 容器 */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  perspective: 1200px;
}

/* Bento 卡片基础 */
.bento-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-bento);
  padding: 28px;
  overflow: hidden;
  transition: transform 0.25s ease-out, border-color 0.3s ease, box-shadow 0.3s ease;
  transform-style: preserve-3d;
  will-change: transform;
}

/* 鼠标跟随聚光灯高光层 */
.bento-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    650px circle at var(--mouse-x, -500px) var(--mouse-y, -500px),
    rgba(236, 72, 153, 0.18),
    rgba(99, 102, 241, 0.08) 40%,
    transparent 80%
  );
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
  z-index: 1;
}

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

.bento-card:hover {
  border-color: var(--card-border-hover);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5), 0 0 20px rgba(236, 72, 153, 0.12);
}

.bento-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.bento-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #fff;
}

.bento-card-text {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 跨列跨行布局设定 */
.bento-col-2 {
  grid-column: span 2;
}

.bento-col-3 {
  grid-column: span 3;
}

.bento-row-2 {
  grid-row: span 2;
}

/* 特色卡片 1：实时同步卡片 (带动画柱状图) */
.card-sync-visual {
  margin-top: 24px;
  background: rgba(0, 0, 0, 0.3);
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.bar-chart-container {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  height: 90px;
  padding-top: 10px;
}

.chart-bar {
  flex: 1;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  position: relative;
  transition: height 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  animation: barPulse 3s ease-in-out infinite alternate;
}

.chart-bar:nth-child(1) { height: 45%; animation-delay: 0.1s; }
.chart-bar:nth-child(2) { height: 75%; animation-delay: 0.3s; }
.chart-bar:nth-child(3) { height: 60%; animation-delay: 0.5s; }
.chart-bar:nth-child(4) { height: 95%; background: var(--gradient-brand); animation-delay: 0.7s; }
.chart-bar:nth-child(5) { height: 85%; animation-delay: 0.4s; }
.chart-bar:nth-child(6) { height: 50%; animation-delay: 0.2s; }
.chart-bar:nth-child(7) { height: 90%; background: var(--gradient-brand); animation-delay: 0.6s; }

@keyframes barPulse {
  0% { transform: scaleY(0.9); }
  100% { transform: scaleY(1.08); }
}

.chart-info {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* 特色卡片 2：在线率卡 (带旋转虚线轨道) */
.orbit-visual {
  position: relative;
  width: 140px;
  height: 140px;
  margin: 20px auto 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.orbit-circle {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 2px dashed rgba(236, 72, 153, 0.4);
  border-radius: 50%;
  animation: orbitRotate 16s linear infinite;
}

.orbit-dot {
  position: absolute;
  top: -5px;
  left: 50%;
  width: 10px;
  height: 10px;
  background: var(--accent-pink);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent-pink);
}

@keyframes orbitRotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.orbit-center-text {
  text-align: center;
  z-index: 2;
}

.orbit-pct {
  font-size: 1.6rem;
  font-weight: 800;
  color: #fff;
}

.orbit-lbl {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* 特色卡片 3：大号渐变数据 3.2x */
.stat-highlight-huge {
  font-size: clamp(3.2rem, 5vw, 4.2rem);
  font-weight: 900;
  line-height: 1;
  margin: 16px 0 10px;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* 特色卡片 4：AI 副驾卡 */
.ai-tags-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.ai-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.ai-chip.active {
  background: rgba(99, 102, 241, 0.15);
  border-color: rgba(99, 102, 241, 0.4);
  color: #C7D2FE;
}

/* 产品核心优势 3 个图文卡片 */
.core-features {
  padding: 70px 0;
}

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

.feature-box {
  background: var(--bg-card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-bento);
  padding: 32px 28px;
  transition: var(--transition-smooth);
}

.feature-box:hover {
  transform: translateY(-6px);
  border-color: var(--card-border-hover);
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.4);
}

.feature-icon-wrapper {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: rgba(236, 72, 153, 0.1);
  border: 1px solid rgba(236, 72, 153, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-pink);
  margin-bottom: 20px;
  font-size: 1.5rem;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

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

/* 流媒体与 AI 支持图卡 */
.media-ai-section {
  padding: 70px 0;
  background: rgba(255, 255, 255, 0.015);
}

.media-ai-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-bento);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-smooth);
}

.service-card:hover {
  border-color: rgba(99, 102, 241, 0.4);
  transform: translateY(-4px);
}

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

.service-logo-box {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
}

.badge-stream { background: rgba(239, 68, 68, 0.15); color: #EF4444; border: 1px solid rgba(239, 68, 68, 0.3); }
.badge-ai { background: rgba(16, 185, 129, 0.15); color: #10B981; border: 1px solid rgba(16, 185, 129, 0.3); }
.badge-speed { background: rgba(59, 130, 246, 0.15); color: #3B82F6; border: 1px solid rgba(59, 130, 246, 0.3); }

.service-name {
  font-size: 1.1rem;
  font-weight: 700;
}

.service-status {
  font-size: 0.75rem;
  color: #10B981;
  display: flex;
  align-items: center;
  gap: 5px;
}

.service-status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10B981;
}

/* 价格对比表 */
.pricing-section {
  padding: 80px 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-bento);
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition-smooth);
}

.pricing-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.2);
}

.pricing-card.featured {
  border-color: var(--accent-pink);
  background: linear-gradient(180deg, rgba(236, 72, 153, 0.08) 0%, rgba(18, 18, 30, 0.95) 100%);
  box-shadow: 0 14px 40px rgba(236, 72, 153, 0.15);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-brand);
  color: #fff;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 12px rgba(236, 72, 153, 0.4);
}

.plan-name {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.plan-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.plan-price-box {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.amount {
  font-size: 2.8rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}

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

.plan-features-list {
  flex-grow: 1;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

.plan-feature-item svg {
  flex-shrink: 0;
  color: #10B981;
}

/* 用户评价 (Testimonials) */
.reviews-section {
  padding: 70px 0;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-bento);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.review-stars {
  color: #FBBF24;
  margin-bottom: 14px;
  display: flex;
  gap: 3px;
}

.review-comment {
  font-size: 0.95rem;
  color: #E2E8F0;
  line-height: 1.65;
  margin-bottom: 20px;
}

.reviewer-profile {
  display: flex;
  align-items: center;
  gap: 12px;
}

.reviewer-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(236,72,153,0.3), rgba(99,102,241,0.3));
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
  font-size: 0.95rem;
}

.reviewer-meta h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
}

.reviewer-meta p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* 常见问题解答 (FAQ) */
.faq-section {
  padding: 70px 0 90px;
}

.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 22px 26px;
  transition: var(--transition-smooth);
}

.faq-item:hover {
  border-color: rgba(255, 255, 255, 0.16);
}

.faq-question {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-answer {
  color: var(--text-secondary);
  font-size: 0.94rem;
  line-height: 1.65;
}

/* 页脚 (只保留4个标题，在新页面打开) */
.site-footer {
  border-top: 1px solid var(--card-border);
  background: #08080F;
  padding: 50px 0 36px;
}

.footer-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 36px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.footer-link {
  font-size: 0.96rem;
  color: var(--text-secondary);
  font-weight: 500;
  transition: var(--transition-smooth);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
}

.footer-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.footer-bottom {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding-top: 24px;
}

/* 资讯与文章页面专属排版样式 */
.article-page-header {
  padding: 60px 0 30px;
  text-align: center;
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.breadcrumb-nav a {
  color: var(--text-secondary);
}

.breadcrumb-nav a:hover {
  color: var(--accent-pink);
}

.article-container {
  max-width: 860px;
  margin: 0 auto 80px;
  padding: 40px;
  background: var(--bg-card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-bento);
}

.article-meta-bar {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.88rem;
  color: var(--text-muted);
  padding-bottom: 24px;
  margin-bottom: 30px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  flex-wrap: wrap;
}

.article-content {
  color: #D1D5DB;
  font-size: 1.05rem;
  line-height: 1.85;
}

.article-content h2 {
  font-size: 1.6rem;
  color: #fff;
  margin: 40px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.article-content h3 {
  font-size: 1.3rem;
  color: #F3F4F6;
  margin: 28px 0 12px;
}

.article-content p {
  margin-bottom: 20px;
}

.article-content ul, .article-content ol {
  margin: 16px 0 24px 24px;
}

.article-content li {
  list-style: disc;
  margin-bottom: 10px;
}

.article-content ol li {
  list-style: decimal;
}

.article-content strong {
  color: #fff;
}

.article-content blockquote {
  border-left: 4px solid var(--accent-pink);
  padding: 14px 20px;
  background: rgba(236, 72, 153, 0.06);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
  color: #E2E8F0;
}

.article-content a {
  color: #F472B6;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
}

.article-content th, .article-content td {
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 12px 16px;
  text-align: left;
}

.article-content th {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
}

.news-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.news-item-card {
  background: var(--bg-card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-bento);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-smooth);
}

.news-item-card:hover {
  border-color: var(--card-border-hover);
  transform: translateY(-5px);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.4);
}

.news-card-tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  background: rgba(99, 102, 241, 0.15);
  color: #A5B4FC;
  margin-bottom: 12px;
}

.news-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.4;
  color: #fff;
}

.news-card-summary {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

/* ===================================================================
   响应式媒体查询 (Mobile & Tablet)
   =================================================================== */
@media (max-width: 1024px) {
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .bento-col-3, .bento-col-2 {
    grid-column: span 2;
  }
  .features-grid-3, .pricing-grid, .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  .hero-section {
    padding: 60px 0 40px;
  }
  .hero-stats-row {
    flex-direction: column;
    gap: 20px;
    padding: 20px;
  }
  .bento-grid {
    grid-template-columns: 1fr;
  }
  .bento-col-3, .bento-col-2 {
    grid-column: span 1;
  }
  .features-grid-3, .pricing-grid, .reviews-grid {
    grid-template-columns: 1fr;
  }
  .news-card-grid {
    grid-template-columns: 1fr;
  }
  .btn-lg {
    width: 100%;
    padding: 14px 20px;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .footer-nav {
    flex-direction: column;
    gap: 16px;
  }
  .article-container {
    padding: 24px 18px;
  }
}