/* ===================================================================
   最萌云 (ZuiMeng Cloud / CuteCloud) 官方主样式表
   Visual Style: Deep midnight indigo-slate (#0F101A), Elevated twilight cards (#171926),
   Crisp 1px borders (#26293E), Soft Lavender (#C084FC) & Pastel Peach (#FDBA74).
   Strict grid discipline, 16px rounded bento cards, fluid smooth transitions.
   =================================================================== */

:root, [data-theme="light"] {
  /* 白天模式颜色变量 (默认进入网页状态) - 优雅明亮纯净 */
  --bg-primary: #F8FAFC;
  --bg-secondary: #FFFFFF;
  --bg-tertiary: #F1F5F9;
  --bg-glass: rgba(255, 255, 255, 0.92);
  --border-color: #E2E8F0;
  --border-subtle: #E2E8F0;
  --border-hover: rgba(147, 51, 234, 0.4);
  
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #94A3B8;
  
  --accent-lavender: #9333EA;
  --accent-peach: #EA580C;
  --accent-cyan: #0284C7;
  --accent-emerald: #059669;
  --accent-gradient: linear-gradient(135deg, #9333EA 0%, #EA580C 100%);
  --accent-gradient-hover: linear-gradient(135deg, #A855F7 0%, #F97316 100%);
  --ambient-lavender-glow: rgba(147, 51, 234, 0.08);
  --border-glow: linear-gradient(135deg, rgba(147, 51, 234, 0.5), rgba(234, 88, 12, 0.5));
  
  --card-bg: #FFFFFF;
  --card-hover-bg: #F8FAFC;
  --card-radius: 16px;
  --card-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.05);
  --card-hover-shadow: 0 20px 35px -5px rgba(147, 51, 234, 0.12);
  --nav-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  
  --badge-bg: rgba(147, 51, 234, 0.08);
  --badge-text: #7E22CE;
  --badge-border: rgba(147, 51, 234, 0.2);
  
  --max-width: 1200px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 深色/暗夜模式 (Cozy Dark Mode UI) */
[data-theme="dark"] {
  --bg-primary: #0F101A;
  --bg-secondary: #171926;
  --bg-tertiary: #1E2132;
  --bg-glass: rgba(15, 16, 26, 0.88);
  --border-color: #26293E;
  --border-subtle: #1F2233;
  --border-hover: rgba(192, 132, 252, 0.45);
  
  --text-primary: #F3F4F6;
  --text-secondary: #9CA3AF;
  --text-muted: #6B7280;
  
  --accent-lavender: #C084FC;
  --accent-peach: #FDBA74;
  --accent-cyan: #38BDF8;
  --accent-emerald: #34D399;
  --accent-gradient: linear-gradient(135deg, #C084FC 0%, #FDBA74 100%);
  --accent-gradient-hover: linear-gradient(135deg, #D8B4FE 0%, #FED7AA 100%);
  --ambient-lavender-glow: rgba(192, 132, 252, 0.08);
  --border-glow: linear-gradient(135deg, rgba(192, 132, 252, 0.6), rgba(253, 186, 116, 0.6));
  
  --card-bg: #171926;
  --card-hover-bg: #1B1E2E;
  --card-shadow: 0 10px 30px -8px rgba(0, 0, 0, 0.6);
  --card-hover-shadow: 0 20px 40px -10px rgba(192, 132, 252, 0.15);
  --nav-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  
  --badge-bg: rgba(192, 132, 252, 0.12);
  --badge-text: #E9D5FF;
  --badge-border: rgba(192, 132, 252, 0.28);
}

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

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

body {
  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-primary);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.35s ease, color 0.35s ease;
  overflow-x: hidden;
}

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

/* 平滑锚点滚动留白补偿 */
section[id] {
  scroll-margin-top: 86px;
}

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

/* 渐变文本高亮 */
.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

/* ===================================================================
   顶部导航栏 (Navbar)
   =================================================================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--nav-shadow);
  transition: var(--transition-smooth);
}

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

/* 品牌Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.28rem;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.brand-icon-wrapper {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  box-shadow: 0 4px 15px rgba(192, 132, 252, 0.25);
}

.brand-icon {
  width: 20px;
  height: 20px;
  stroke: currentColor;
}

/* 导航链接目录 */
.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  list-style: none;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-lavender);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: width 0.25s ease;
  border-radius: 2px;
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

/* 导航中‘推荐资讯’高亮药丸样式 */
.nav-link-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--badge-bg);
  color: var(--accent-lavender);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  border: 1px solid var(--badge-border);
  font-weight: 600;
}

.nav-link-badge:hover {
  background: rgba(192, 132, 252, 0.22);
  border-color: var(--accent-lavender);
  color: var(--text-primary);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-peach);
}

/* 导航右侧按钮组 */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* 精致专业昼夜模式切换按钮 */
.theme-toggle-btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: var(--transition-smooth);
}

.theme-toggle-btn:hover {
  background: var(--card-hover-bg);
  border-color: var(--accent-lavender);
  color: var(--accent-lavender);
  transform: translateY(-1px);
}

.theme-icon {
  width: 19px;
  height: 19px;
  position: absolute;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* 昼夜切换图标平滑过渡 (默认白天模式：展示月亮供切换至夜间；夜间模式展示太阳供切换回白天) */
.moon-icon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.sun-icon {
  opacity: 0;
  transform: rotate(-90deg) scale(0.5);
}

[data-theme="dark"] .moon-icon {
  opacity: 0;
  transform: rotate(90deg) scale(0.5);
}

[data-theme="dark"] .sun-icon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

/* CTA 呼吁操作按钮 */
.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  border-radius: var(--radius-full);
  padding: 10px 22px;
  font-size: 0.92rem;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-smooth);
  border: none;
}

.cta-btn-primary {
  background: var(--accent-gradient);
  color: #FFFFFF !important;
  font-weight: 700;
  box-shadow: 0 4px 18px rgba(147, 51, 234, 0.25);
}

.cta-btn-primary:hover {
  background: var(--accent-gradient-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(234, 88, 12, 0.35);
}

.cta-btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary) !important;
  border: 1px solid var(--border-color);
}

.cta-btn-secondary:hover {
  background: var(--card-hover-bg);
  border-color: var(--accent-lavender);
  color: var(--accent-lavender) !important;
  transform: translateY(-2px);
}

.cta-btn-lg {
  padding: 13px 32px;
  font-size: 1.05rem;
}

/* ===================================================================
   主视觉区 (Hero Section)
   Ambient lavender glow (8% opacity), clean centered layout
   =================================================================== */
.hero-section {
  padding: 85px 0 65px;
  position: relative;
  overflow: hidden;
  text-align: center;
}

/* 8% 不透明度柔和薰衣草氛围发光 */
.hero-ambient-glow {
  position: absolute;
  top: 15%;
  left: 50%;
  transform: translate(-50%, -20%);
  width: 620px;
  height: 380px;
  background: radial-gradient(circle, var(--ambient-lavender-glow) 0%, transparent 70%);
  filter: blur(80px);
  z-index: 0;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 880px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  color: var(--badge-text);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-badge-indicator {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-lavender);
  box-shadow: 0 0 10px var(--accent-lavender);
}

/* 主标题包含品牌名 */
.hero-title {
  font-size: 3.3rem;
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -1px;
  margin-bottom: 18px;
}

.hero-subtitle {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--accent-peach);
  margin-bottom: 16px;
}

.hero-description {
  font-size: 1.08rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 36px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 50px;
}

/* ===================================================================
   互动功能 1: Interactive One-Click Ping Bar (一键节点延迟测速栏)
   =================================================================== */
.ping-bar-wrapper {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition-smooth);
}

.ping-bar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-color);
}

.ping-bar-title-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ping-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

.ping-bar-title {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--text-primary);
}

.ping-bar-btn {
  background: var(--accent-gradient);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-smooth);
}

.ping-bar-btn:hover {
  background: var(--accent-gradient-hover);
  transform: translateY(-1px);
}

.ping-hubs-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  position: relative;
}

.ping-hub-item {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 10px;
  text-align: center;
  transition: var(--transition-smooth);
}

.ping-hub-item:hover {
  border-color: var(--accent-lavender);
}

.hub-flag {
  font-size: 1.15rem;
  margin-bottom: 4px;
  display: block;
}

.hub-name {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-weight: 500;
}

.hub-latency {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent-lavender);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  transition: opacity 0.3s ease;
}

.latency-unit {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 400;
}

/* 柔和薰衣草测速光扫动画 (Lavender Light Sweep) */
.ping-sweep-beam {
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(192, 132, 252, 0.35), transparent);
  pointer-events: none;
  opacity: 0;
}

.ping-bar-wrapper.sweeping .ping-sweep-beam {
  opacity: 1;
  animation: ping-sweep 1.2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes ping-sweep {
  0% { left: -50%; }
  100% { left: 150%; }
}

/* ===================================================================
   通用区块设置
   =================================================================== */
.section {
  padding: 85px 0;
  position: relative;
}

.section-alt {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.section-header {
  text-align: center;
  max-width: 660px;
  margin: 0 auto 50px;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  color: var(--accent-lavender);
  margin-bottom: 10px;
  text-transform: uppercase;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}

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

/* ===================================================================
   互动功能 2: Soft-Glow Bento Cards (产品核心优势 3卡片)
   16px rounded corners, 1px border illuminates on hover
   =================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.bento-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  padding: 34px 28px;
  box-shadow: var(--card-shadow);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

/* 鼠标悬浮：边框流光点亮，内部微光照耀 */
.bento-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-lavender);
  box-shadow: var(--card-hover-shadow);
}

.bento-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--card-radius);
  padding: 1px;
  background: var(--border-glow);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

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

.bento-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: rgba(192, 132, 252, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-lavender);
  margin-bottom: 22px;
  border: 1px solid rgba(192, 132, 252, 0.2);
}

.bento-icon {
  width: 26px;
  height: 26px;
}

.bento-title {
  font-size: 1.28rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.bento-text {
  font-size: 0.94rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
  flex-grow: 1;
}

/* 内部数据微光曲线 (Data Sparkline) */
.sparkline-wrapper {
  padding-top: 18px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.sparkline-svg {
  width: 90px;
  height: 26px;
  stroke: var(--accent-lavender);
  stroke-width: 2;
  fill: none;
  opacity: 0.7;
  transition: var(--transition-smooth);
}

.bento-card:hover .sparkline-svg {
  opacity: 1;
  stroke: var(--accent-peach);
  filter: drop-shadow(0 0 4px var(--accent-peach));
}

/* ===================================================================
   流媒体图卡 & AI 支持图卡 (双栏极简柔和质感)
   =================================================================== */
.unlock-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.unlock-box {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  padding: 38px 32px;
  box-shadow: var(--card-shadow);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.unlock-box:hover {
  transform: translateY(-4px);
  border-color: var(--accent-lavender);
  box-shadow: var(--card-hover-shadow);
}

.unlock-badge-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.unlock-category-tag {
  font-size: 0.82rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.tag-media {
  background: rgba(253, 186, 116, 0.12);
  color: var(--accent-peach);
  border: 1px solid rgba(253, 186, 116, 0.28);
}

.tag-ai {
  background: rgba(192, 132, 252, 0.12);
  color: var(--accent-lavender);
  border: 1px solid rgba(192, 132, 252, 0.28);
}

.unlock-box-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.unlock-box-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

/* 简约柔光气泡列表 */
.pill-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.pastel-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: var(--transition-smooth);
}

.pastel-pill:hover {
  border-color: var(--accent-lavender);
  transform: scale(1.02);
}

.dot-indicator {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.dot-lavender { background: var(--accent-lavender); box-shadow: 0 0 6px var(--accent-lavender); }
.dot-peach { background: var(--accent-peach); box-shadow: 0 0 6px var(--accent-peach); }
.dot-emerald { background: var(--accent-emerald); box-shadow: 0 0 6px var(--accent-emerald); }

/* ===================================================================
   套餐价格对比表 (参考真实市场价格体系)
   =================================================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  align-items: stretch;
  margin-bottom: 30px;
}

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

.pricing-bento:hover {
  transform: translateY(-6px);
  border-color: var(--accent-lavender);
  box-shadow: var(--card-hover-shadow);
}

.pricing-bento.featured {
  border: 2px solid var(--accent-lavender);
  background: linear-gradient(180deg, #FFFFFF 0%, #FAF5FF 100%);
  transform: scale(1.02);
  z-index: 2;
  box-shadow: 0 15px 35px -5px rgba(147, 51, 234, 0.16), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
}

.pricing-bento.featured:hover {
  transform: scale(1.03) translateY(-6px);
  box-shadow: 0 20px 40px -5px rgba(147, 51, 234, 0.25), 0 10px 15px -5px rgba(15, 23, 42, 0.08);
}

[data-theme="dark"] .pricing-bento.featured {
  border-color: var(--accent-lavender);
  background: linear-gradient(180deg, #1E2138 0%, #171926 100%);
  box-shadow: 0 15px 35px -5px rgba(192, 132, 252, 0.2);
}

[data-theme="dark"] .pricing-bento.featured:hover {
  box-shadow: 0 20px 40px -5px rgba(192, 132, 252, 0.3);
}

.featured-pill {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-gradient);
  color: #FFFFFF;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  letter-spacing: 0.5px;
  box-shadow: 0 4px 12px rgba(147, 51, 234, 0.35);
}

.plan-name {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.plan-desc {
  font-size: 0.86rem;
  color: var(--text-secondary);
  margin-bottom: 22px;
}

.plan-price-group {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 22px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border-color);
}

.price-currency {
  font-size: 1.3rem;
  font-weight: 700;
}

.price-amount {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -1px;
}

.price-term {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.plan-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 13px;
  margin-bottom: 30px;
  flex-grow: 1;
}

.plan-feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.plan-feature-item.strong {
  color: var(--text-primary);
  font-weight: 600;
}

.feature-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-lavender);
  flex-shrink: 0;
}

/* ===================================================================
   互动功能 3: Pill-Drawer Comparison (胶囊抽屉式展开对比表)
   A neat toggle button that smoothly unfolds a color-coded dot matrix table
   =================================================================== */
.drawer-wrapper {
  text-align: center;
  margin-top: 10px;
}

.drawer-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 12px 28px;
  border-radius: var(--radius-full);
  color: var(--accent-lavender);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.drawer-toggle-btn:hover {
  background: var(--bg-tertiary);
  border-color: var(--accent-lavender);
  transform: translateY(-2px);
}

.drawer-toggle-icon {
  width: 18px;
  height: 18px;
  transition: transform 0.35s ease;
}

.drawer-toggle-btn.expanded .drawer-toggle-icon {
  transform: rotate(180deg);
}

/* 抽屉收拢与展开动画 */
.matrix-drawer-content {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease, margin-top 0.4s ease;
  margin-top: 0;
}

.matrix-drawer-content.open {
  max-height: 900px;
  opacity: 1;
  margin-top: 30px;
}

/* 简约柔和点阵式表格 (Minimalist Color-Coded Dot Matrix Table) */
.matrix-table-container {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  overflow-x: auto;
  box-shadow: var(--card-shadow);
  padding: 10px;
}

.matrix-table {
  width: 100%;
  border-collapse: collapse;
  text-align: center;
}

.matrix-table th, .matrix-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.92rem;
}

.matrix-table th {
  font-weight: 700;
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.matrix-table th:first-child, .matrix-table td:first-child {
  text-align: left;
  font-weight: 600;
}

.matrix-table tr:last-child td {
  border-bottom: none;
}

/* 替代传统杂乱图标的柔和光晕点点 */
.matrix-dot-yes {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 10px var(--accent-emerald);
}

.matrix-dot-limited {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-peach);
  box-shadow: 0 0 10px var(--accent-peach);
}

.matrix-dot-no {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  opacity: 0.4;
}

/* ===================================================================
   用户真实评价 (Testimonials)
   =================================================================== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-bento {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  padding: 30px 26px;
  box-shadow: var(--card-shadow);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.review-bento:hover {
  transform: translateY(-4px);
  border-color: var(--accent-lavender);
  box-shadow: var(--card-hover-shadow);
}

.review-stars {
  display: flex;
  gap: 4px;
  color: var(--accent-peach);
  margin-bottom: 14px;
}

.star-svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.review-text {
  font-size: 0.93rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
  flex-grow: 1;
}

.review-user-group {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.user-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 1px solid var(--accent-lavender);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-lavender);
  font-weight: 700;
  font-size: 0.95rem;
}

.user-info h4 {
  font-size: 0.92rem;
  font-weight: 700;
}

.user-info p {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ===================================================================
   常见问题解答 (FAQ)
   =================================================================== */
.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  overflow: hidden;
  transition: var(--transition-smooth);
}

.faq-card:hover {
  border-color: var(--accent-lavender);
}

.faq-trigger {
  width: 100%;
  background: none;
  border: none;
  padding: 20px 24px;
  text-align: left;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.faq-icon-arrow {
  width: 18px;
  height: 18px;
  color: var(--accent-lavender);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.3s ease;
  padding: 0 24px;
  color: var(--text-secondary);
  font-size: 0.94rem;
  line-height: 1.75;
}

.faq-card.active .faq-body {
  max-height: 300px;
  padding: 0 24px 20px;
}

.faq-card.active .faq-icon-arrow {
  transform: rotate(180deg);
}

/* ===================================================================
   页脚 (Footer) - 严格只保留四个标题，在新页面展示
   =================================================================== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 48px 0 32px;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 24px;
}

.footer-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  list-style: none;
  flex-wrap: wrap;
}

.footer-link {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: var(--transition-smooth);
}

.footer-link:hover {
  color: var(--accent-lavender);
  background: var(--bg-tertiary);
}

.footer-line {
  width: 100%;
  max-width: 500px;
  height: 1px;
  background: var(--border-color);
}

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

/* ===================================================================
   独立内容页专用样式 (资讯、关于、条款、隐私、地图)
   =================================================================== */
.article-header {
  padding: 65px 0 35px;
  text-align: center;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.article-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.article-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto;
}

.article-container {
  padding: 50px 0 80px;
  max-width: 860px;
  margin: 0 auto;
}

.article-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  padding: 36px 32px;
  box-shadow: var(--card-shadow);
  margin-bottom: 28px;
}

.article-card h2 {
  font-size: 1.45rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.article-card h2::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 20px;
  background: var(--accent-gradient);
  border-radius: 4px;
}

.article-card p {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.8;
  margin-bottom: 14px;
}

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

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-lavender);
  font-weight: 600;
  margin-bottom: 24px;
}

/* ===================================================================
   SEO 深度长文与博客资讯专用样式 (TOC目录、正文排版、FAQ、相关阅读)
   =================================================================== */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  flex-wrap: wrap;
}

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

.breadcrumbs a:hover {
  color: var(--accent-lavender);
}

.breadcrumb-separator {
  color: var(--text-muted);
}

.post-meta-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 16px;
  flex-wrap: wrap;
}

.post-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  color: var(--accent-lavender);
  font-size: 0.8rem;
  font-weight: 600;
}

/* 博客列表卡片网格 (Blog Grid) */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.post-preview-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  padding: 28px 26px;
  box-shadow: var(--card-shadow);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
}

.post-preview-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-lavender);
  box-shadow: var(--card-hover-shadow);
}

.post-preview-card.featured-review {
  grid-column: 1 / -1;
  border: 2px solid var(--accent-lavender);
  background: linear-gradient(180deg, #FFFFFF 0%, #FAF5FF 100%);
  box-shadow: 0 15px 35px -5px rgba(147, 51, 234, 0.12);
}

[data-theme="dark"] .post-preview-card.featured-review {
  border-color: var(--accent-lavender);
  background: linear-gradient(180deg, #1E2138 0%, #171926 100%);
  box-shadow: 0 15px 35px -5px rgba(192, 132, 252, 0.2);
}

.post-preview-top {
  margin-bottom: 14px;
}

.post-preview-title {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.4;
  margin: 10px 0;
  color: var(--text-primary);
  transition: var(--transition-smooth);
}

.post-preview-card:hover .post-preview-title {
  color: var(--accent-lavender);
}

.post-preview-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 18px;
}

.post-preview-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-muted);
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
}

.read-more-link {
  color: var(--accent-lavender);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.post-preview-card:hover .read-more-link {
  color: var(--accent-peach);
  transform: translateX(3px);
}

/* 文章目录卡片 (Table of Contents Box) */
.toc-box {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  padding: 24px 26px;
  margin: 28px 0 36px;
  position: relative;
}

.toc-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}

.toc-header-icon {
  width: 18px;
  height: 18px;
  color: var(--accent-lavender);
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-left: 4px;
}

.toc-item {
  font-size: 0.92rem;
}

.toc-item a {
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 3px 0;
}

.toc-item a:hover {
  color: var(--accent-lavender);
  transform: translateX(4px);
}

.toc-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent-lavender);
  flex-shrink: 0;
}

/* 深度长文正文排版 (In-Depth Article Typography) */
.post-body {
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--text-secondary);
}

.post-body h2 {
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 44px 0 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 10px;
  scroll-margin-top: 90px;
}

.post-body h2::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 22px;
  background: var(--accent-gradient);
  border-radius: 4px;
  flex-shrink: 0;
}

.post-body h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 28px 0 12px;
  scroll-margin-top: 90px;
}

.post-body p {
  margin-bottom: 20px;
}

.post-body ul, .post-body ol {
  padding-left: 24px;
  margin-bottom: 22px;
}

.post-body li {
  margin-bottom: 8px;
  line-height: 1.8;
}

.post-body strong {
  color: var(--text-primary);
  font-weight: 600;
}

.post-body a {
  color: var(--accent-lavender);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.post-body a:hover {
  color: var(--accent-peach);
}

/* 强调引用框 (Highlight Callout Box) */
.callout-box {
  background: var(--bg-tertiary);
  border-left: 4px solid var(--accent-lavender);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 20px 24px;
  margin: 28px 0;
  font-size: 0.96rem;
  line-height: 1.75;
}

.callout-box p:last-child {
  margin-bottom: 0;
}

.callout-box strong {
  color: var(--accent-lavender);
}

/* 表格排版 */
.post-table-wrapper {
  overflow-x: auto;
  margin: 28px 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.post-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  text-align: left;
}

.post-table th, .post-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
}

.post-table th {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-weight: 700;
}

.post-table tr:last-child td {
  border-bottom: none;
}

/* 文章内部 FAQ 专区 */
.article-faq-section {
  margin: 50px 0 35px;
  padding-top: 30px;
  border-top: 2px dashed var(--border-color);
}

.article-faq-section h2 {
  font-size: 1.5rem;
  margin-bottom: 22px;
}

.article-faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.article-faq-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px 22px;
}

.article-faq-q {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.article-faq-q::before {
  content: "Q";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-lavender);
  color: #FFFFFF;
  font-size: 0.78rem;
  font-weight: 800;
  flex-shrink: 0;
}

.article-faq-a {
  font-size: 0.94rem;
  color: var(--text-secondary);
  line-height: 1.75;
  padding-left: 30px;
}

/* 文章底部转化 CTA 横幅 */
.article-cta-box {
  background: linear-gradient(135deg, rgba(192, 132, 252, 0.15) 0%, rgba(253, 186, 116, 0.15) 100%);
  border: 1px solid rgba(192, 132, 252, 0.35);
  border-radius: var(--card-radius);
  padding: 34px 28px;
  text-align: center;
  margin: 44px 0;
}

.article-cta-title {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.article-cta-desc {
  font-size: 0.98rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 24px;
}

/* 文章底部相关阅读推荐 (Related Posts Grid) */
.related-posts-section {
  margin: 50px 0 20px;
  padding-top: 30px;
  border-top: 1px solid var(--border-color);
}

.related-posts-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.related-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-smooth);
}

.related-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-lavender);
}

.related-card-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.45;
  margin-bottom: 10px;
}

.related-card-meta {
  font-size: 0.78rem;
  color: var(--accent-peach);
  font-weight: 500;
}



/* ===================================================================
   响应式媒体查询 (@media) 保证移动端完美单栏与舒适手指触控
   =================================================================== */
@media (max-width: 1024px) {
  .hero-title { font-size: 2.8rem; }
  .features-grid, .pricing-grid, .reviews-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-bento.featured { transform: none; }
  .unlock-grid { grid-template-columns: 1fr; }
  .ping-hubs-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero-section { padding: 45px 0 35px; }
  .hero-title { font-size: 2.2rem; }
  .hero-subtitle { font-size: 1.15rem; }
  .hero-description { font-size: 0.98rem; }
  
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-actions .cta-btn {
    width: 100%;
    padding: 13px 20px;
  }
  
  .ping-hubs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .features-grid, .pricing-grid, .reviews-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  
  .bento-card, .unlock-box, .pricing-bento, .article-card {
    padding: 26px 20px;
  }
  
  .footer-nav {
    flex-direction: column;
    gap: 14px;
  }
}

@media (max-width: 480px) {
  .hero-title { font-size: 1.85rem; }
  .ping-hubs-grid { grid-template-columns: 1fr; }
}