/* ==========================================================================
   魔法喵 (mofamao.mom) - Velvety Cashmere-Cream & Viscoelastic Soft-Body UI
   Sublime tactile palette · 32px pillow-soft radii · Diffuse ambient occlusion
   Organic viscoelastic cushion micro-interactions · Pure Native CSS
   ========================================================================== */

/* ---------------- 设计系统色彩与物理弹性变量 ---------------- */
:root {
  --font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;

  /* Cashmere-Cream 温暖触感日间调色盘 (Default Daylight Luxury) */
  --canvas-cream: #fbfaf7;          /* 温暖羊绒乳白底色 */
  --canvas-warm: #f7f4ed;           /* 暖燕麦柔和渐变色 */
  --oat-grey: #f2efe9;              /* 磨砂燕麦奶浅灰 */
  --oat-card: #f9f7f2;              /* 舒缓柔弹卡片浅底 */
  --card-surface: rgba(255, 255, 255, 0.88); /* 莹润高透奶霜卡片面 */
  --card-surface-hover: #ffffff;
  --nav-surface: rgba(251, 250, 247, 0.82);

  /* 墨浓浓缩咖啡文字排版色 */
  --espresso-black: #18181b;        /* 墨浓高密黑 */
  --espresso-dark: #27272a;         /* 深灰咖啡色 */
  --espresso-muted: #52525b;        /* 次级中性灰 */
  --espresso-subtle: #71717a;       /* 浅沉辅色灰 */

  /* 灵动奥术浅紫微光与触感重点色 */
  --arcane-lavender: #7c3aed;       /* 核心奥术紫 */
  --arcane-soft: #8b5cf6;           /* 柔焦浅紫 */
  --arcane-light: rgba(124, 58, 237, 0.08); /* 极润淡紫底衬 */
  --arcane-glow: rgba(124, 58, 237, 0.16);  /* 漫反射光晕 */
  --pill-gradient: linear-gradient(135deg, #7c3aed 0%, #9333ea 50%, #c026d3 100%);
  --pill-glow: rgba(124, 58, 237, 0.28);

  /* 珠光边缘折射与漫反射环境光遮蔽阴影 (Diffuse Ambient Occlusion) */
  --rim-refraction: inset 0 1.5px 1px 0 rgba(255, 255, 255, 0.95), inset 0 -1px 1px 0 rgba(24, 24, 27, 0.03);
  --border-cushion: rgba(24, 24, 27, 0.06);
  --border-cushion-hover: rgba(124, 58, 237, 0.25);
  
  --shadow-soft-float: 0 10px 25px -8px rgba(24, 24, 27, 0.04), 0 4px 8px -3px rgba(24, 24, 27, 0.02);
  --shadow-pillow: 0 24px 48px -12px rgba(24, 24, 27, 0.06), 0 12px 20px -8px rgba(124, 58, 237, 0.05);
  --shadow-pillow-hover: 0 32px 64px -16px rgba(124, 58, 237, 0.14), 0 16px 28px -10px rgba(24, 24, 27, 0.08);
  --shadow-btn: 0 10px 24px -6px rgba(124, 58, 237, 0.38);

  /* 枕型圆角与流体弹性过渡 */
  --radius-pillow: 32px;            /* 32px pillow-soft 柔润圆角 */
  --radius-cushion: 24px;
  --radius-md: 16px;
  --radius-full: 9999px;

  /* 黏弹性缓冲回弹物理曲线 (Viscoelastic Spring Rebound) */
  --spring-press: cubic-bezier(0.2, 0.8, 0.25, 1);
  --spring-rebound: cubic-bezier(0.34, 1.45, 0.64, 1);
  --transition-squish: 0.22s var(--spring-press);
  --transition-rebound: 0.38s var(--spring-rebound);
}

/* 昼夜暗夜模式（保留奢华深咖啡暖炭调） */
[data-theme="dark"] {
  --canvas-cream: #121118;
  --canvas-warm: #181622;
  --oat-grey: #1f1d2b;
  --oat-card: #191724;
  --card-surface: rgba(25, 23, 36, 0.85);
  --card-surface-hover: rgba(33, 30, 48, 0.95);
  --nav-surface: rgba(18, 17, 24, 0.85);

  --espresso-black: #fdfcf9;
  --espresso-dark: #e4e4e7;
  --espresso-muted: #a1a1aa;
  --espresso-subtle: #71717a;

  --arcane-lavender: #a78bfa;
  --arcane-soft: #c084fc;
  --arcane-light: rgba(167, 139, 250, 0.12);
  --arcane-glow: rgba(167, 139, 250, 0.22);
  --pill-gradient: linear-gradient(135deg, #8b5cf6 0%, #a855f7 50%, #d946ef 100%);
  --pill-glow: rgba(167, 139, 250, 0.32);

  --rim-refraction: inset 0 1px 1px 0 rgba(255, 255, 255, 0.12), inset 0 -1px 1px 0 rgba(0, 0, 0, 0.4);
  --border-cushion: rgba(255, 255, 255, 0.08);
  --border-cushion-hover: rgba(167, 139, 250, 0.4);

  --shadow-soft-float: 0 10px 25px -8px rgba(0, 0, 0, 0.5);
  --shadow-pillow: 0 24px 50px -12px rgba(0, 0, 0, 0.7), 0 0 25px rgba(139, 92, 246, 0.1);
  --shadow-pillow-hover: 0 32px 64px -16px rgba(0, 0, 0, 0.8), 0 0 35px rgba(167, 139, 250, 0.2);
  --shadow-btn: 0 12px 28px -6px rgba(139, 92, 246, 0.45);
}

/* ---------------- 基础页面设置 ---------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  background-color: var(--canvas-cream);
  color: var(--espresso-dark);
  line-height: 1.65;
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

/* 温暖流动焦散流体背景 */
.fluid-caustic-1 {
  position: fixed;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(circle at 50% 40%, rgba(124, 58, 237, 0.07) 0%, rgba(247, 244, 237, 0.4) 50%, transparent 75%);
  filter: blur(70px);
  z-index: -1;
  pointer-events: none;
}

.fluid-caustic-2 {
  position: fixed;
  bottom: 5%;
  right: -80px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(236, 72, 153, 0.05) 0%, rgba(242, 239, 233, 0.3) 60%, transparent 80%);
  filter: blur(80px);
  z-index: -1;
  pointer-events: none;
}

.container {
  width: 100%;
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------------- 导航栏 ---------------- */
.site-header {
  position: sticky;
  top: 16px;
  z-index: 1000;
  margin: 0 16px;
}

.navbar-pill {
  background: var(--nav-surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-cushion);
  box-shadow: var(--rim-refraction), var(--shadow-soft-float);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 18px 8px 24px;
  transition: all 0.3s ease;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--espresso-black);
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: -0.4px;
}

/* 触感极简奢华猫猫徽标 (严格不使用卡通AI机器人/通用魔法棒) */
.brand-emblem-svg {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  transition: transform var(--transition-rebound);
}

.brand-logo:hover .brand-emblem-svg {
  transform: rotate(-6deg) scale(1.08);
}

.brand-title {
  color: var(--espresso-black);
  font-weight: 800;
}

.brand-badge {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--arcane-lavender);
  background: var(--arcane-light);
  padding: 2px 7px;
  border-radius: var(--radius-full);
  margin-left: 2px;
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 6px;
}

.nav-link {
  text-decoration: none;
  color: var(--espresso-muted);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius-full);
  transition: all var(--transition-squish);
}

.nav-link:hover {
  color: var(--espresso-black);
  background: rgba(24, 24, 27, 0.04);
}

/* 推荐资讯特别高亮胶囊 */
.nav-link.nav-highlight {
  color: var(--arcane-lavender);
  font-weight: 600;
  background: var(--arcane-light);
}

.nav-link.nav-highlight:hover {
  background: rgba(124, 58, 237, 0.14);
}

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

/* 精致轻透昼夜模式切换按钮 */
.theme-toggle-btn {
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: rgba(24, 24, 27, 0.04);
  border: 1px solid var(--border-cushion);
  box-shadow: var(--rim-refraction);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--espresso-muted);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform var(--transition-rebound), background var(--transition-squish), border-color var(--transition-squish);
  outline: none;
}

.theme-toggle-btn:hover {
  color: var(--arcane-lavender);
  background: var(--arcane-light);
  border-color: var(--border-cushion-hover);
  transform: scale(1.06);
}

.theme-toggle-btn:active {
  transform: scale(0.92);
}

.theme-toggle-btn svg {
  width: 19px;
  height: 19px;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  transition: transform 0.35s var(--spring-rebound), opacity 0.25s ease;
}

.icon-moon {
  position: absolute;
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

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

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

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

/* ---------------- 黏弹性缓冲按钮系统 (Viscoelastic Soft-Body Buttons) ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  white-space: nowrap;
  outline: none;
  box-shadow: var(--rim-refraction);
  /* 弹性回弹物理行为 */
  transition: transform var(--transition-rebound), box-shadow var(--transition-rebound), background-color var(--transition-squish);
  user-select: none;
}

.btn:hover {
  transform: translateY(-2.5px) scale(1.015);
}

/* 点击时的有机软体按压内凹 (Squish Inward by 3px) */
.btn:active {
  transform: translate3d(0, 3px, 0) scale(0.965);
  transition: transform var(--transition-squish);
}

.btn-primary {
  background: var(--pill-gradient);
  color: #ffffff;
  box-shadow: var(--rim-refraction), var(--shadow-btn);
}

.btn-primary:hover {
  box-shadow: var(--rim-refraction), 0 16px 32px -6px rgba(124, 58, 237, 0.48);
  color: #ffffff;
}

.btn-secondary {
  background: var(--card-surface);
  color: var(--espresso-black);
  border: 1px solid var(--border-cushion);
  box-shadow: var(--rim-refraction), var(--shadow-soft-float);
}

.btn-secondary:hover {
  background: var(--card-surface-hover);
  border-color: var(--border-cushion-hover);
  color: var(--arcane-lavender);
}

.btn-lg {
  padding: 15px 36px;
  font-size: 1.08rem;
  letter-spacing: -0.2px;
}

.btn-sm {
  padding: 7px 18px;
  font-size: 0.88rem;
}

/* ---------------- Hero 主视觉区 ---------------- */
.hero-section {
  padding: 90px 0 65px;
  text-align: center;
  position: relative;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 20px;
  border-radius: var(--radius-full);
  background: var(--arcane-light);
  border: 1px solid rgba(124, 58, 237, 0.18);
  box-shadow: var(--rim-refraction);
  color: var(--arcane-lavender);
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 26px;
  transition: transform var(--transition-rebound);
}

.hero-pill:hover {
  transform: translateY(-2px);
}

.hero-pill-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 10px #10b981;
  animation: pulse-dot 2.2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(0.9); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; }
}

/* 大标题明确包含“魔法喵”品牌名 */
.hero-title {
  font-size: 3.6rem;
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -1.4px;
  color: var(--espresso-black);
  max-width: 950px;
  margin: 0 auto 22px;
}

.hero-title .brand-gradient {
  background: var(--pill-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* 主视觉区醒目简介 */
.hero-desc {
  font-size: 1.25rem;
  color: var(--espresso-muted);
  max-width: 740px;
  margin: 0 auto 38px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 50px;
}

.hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  color: var(--espresso-subtle);
  font-size: 0.92rem;
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-meta-item svg {
  color: var(--arcane-lavender);
  width: 18px;
  height: 18px;
}

/* 枕型软体数据悬浮板 (32px Pillow-Soft Radii) */
.hero-dashboard-preview {
  margin-top: 54px;
  background: var(--card-surface);
  border: 1px solid var(--border-cushion);
  box-shadow: var(--rim-refraction), var(--shadow-pillow);
  border-radius: var(--radius-pillow);
  padding: 34px 38px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: left;
  transition: transform var(--transition-rebound), box-shadow var(--transition-rebound);
}

.hero-dashboard-preview:hover {
  transform: translateY(-3px);
  box-shadow: var(--rim-refraction), var(--shadow-pillow-hover);
}

.dash-stat {
  padding: 10px 18px;
  border-right: 1px solid var(--border-cushion);
}

.dash-stat:last-child {
  border-right: none;
}

.dash-num {
  font-size: 2.3rem;
  font-weight: 800;
  color: var(--espresso-black);
  letter-spacing: -0.8px;
  display: block;
}

.dash-label {
  font-size: 0.88rem;
  color: var(--espresso-muted);
  margin-top: 4px;
}

/* ---------------- 通用 Section 样式 ---------------- */
.section {
  padding: 90px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 58px;
}

.section-tag {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--arcane-lavender);
  background: var(--arcane-light);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
}

.section-title {
  font-size: 2.45rem;
  font-weight: 800;
  letter-spacing: -0.8px;
  color: var(--espresso-black);
  margin-bottom: 16px;
  line-height: 1.25;
}

.section-subtitle {
  font-size: 1.08rem;
  color: var(--espresso-muted);
}

/* ---------------- 核心优势 3 个图文卡片 (Pillowy 32px Radii & Cushion Physics) ---------------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.feature-card {
  background: var(--card-surface);
  border: 1px solid var(--border-cushion);
  border-radius: var(--radius-pillow);
  box-shadow: var(--rim-refraction), var(--shadow-soft-float);
  padding: 42px 34px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  display: flex;
  flex-direction: column;
  position: relative;
  /* 黏弹性回弹 */
  transition: transform var(--transition-rebound), box-shadow var(--transition-rebound), border-color var(--transition-squish);
  cursor: pointer;
}

.feature-card:hover {
  transform: translateY(-6px) scale(1.008);
  border-color: var(--border-cushion-hover);
  box-shadow: var(--rim-refraction), var(--shadow-pillow-hover);
}

.feature-card:active {
  transform: translate3d(0, 3px, 0) scale(0.975);
  transition: transform var(--transition-squish);
}

.feature-icon-wrapper {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-cushion);
  background: var(--arcane-light);
  box-shadow: var(--rim-refraction);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 26px;
  color: var(--arcane-lavender);
  transition: transform var(--transition-rebound);
}

.feature-card:hover .feature-icon-wrapper {
  transform: scale(1.1) rotate(-4deg);
}

.feature-icon-wrapper svg {
  width: 32px;
  height: 32px;
}

.feature-title {
  font-size: 1.38rem;
  font-weight: 800;
  letter-spacing: -0.3px;
  color: var(--espresso-black);
  margin-bottom: 14px;
}

.feature-desc {
  font-size: 0.96rem;
  color: var(--espresso-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

.feature-points {
  list-style: none;
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-points li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--espresso-dark);
}

.feature-points li svg {
  width: 17px;
  height: 17px;
  color: #10b981;
  flex-shrink: 0;
}

/* ---------------- 流媒体图卡 (Pillowy 32px Radii Showcase) ---------------- */
.media-showcase-box {
  background: var(--card-surface);
  border: 1px solid var(--border-cushion);
  border-radius: var(--radius-pillow);
  box-shadow: var(--rim-refraction), var(--shadow-pillow);
  padding: 44px;
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.media-item {
  background: var(--oat-card);
  border: 1px solid var(--border-cushion);
  border-radius: var(--radius-cushion);
  box-shadow: var(--rim-refraction);
  padding: 24px 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform var(--transition-rebound), box-shadow var(--transition-rebound), border-color var(--transition-squish);
  cursor: pointer;
}

.media-item:hover {
  transform: translateY(-4px) scale(1.02);
  border-color: var(--border-cushion-hover);
  box-shadow: var(--rim-refraction), var(--shadow-soft-float);
  background: var(--card-surface-hover);
}

.media-item:active {
  transform: translate3d(0, 3px, 0) scale(0.97);
  transition: transform var(--transition-squish);
}

.media-badge-icon {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  font-weight: 800;
  font-size: 1.15rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.media-netflix { background: #e50914; color: #fff; }
.media-disney { background: #113ccf; color: #fff; }
.media-youtube { background: #ff0000; color: #fff; }
.media-hbo { background: #4d2d89; color: #fff; }
.media-spotify { background: #1db954; color: #fff; }
.media-prime { background: #00a8e1; color: #fff; }
.media-tiktok { background: #000000; color: #fff; }
.media-hulu { background: #1ce783; color: #000; }

.media-name {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--espresso-black);
  margin-bottom: 6px;
}

.media-tag {
  font-size: 0.78rem;
  color: #059669;
  font-weight: 600;
  background: rgba(16, 185, 129, 0.1);
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

/* ---------------- AI 生产力专属加速卡 ---------------- */
.ai-showcase-box {
  background: var(--card-surface);
  border: 1px solid var(--border-cushion);
  border-radius: var(--radius-pillow);
  box-shadow: var(--rim-refraction), var(--shadow-pillow);
  padding: 44px;
}

.ai-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.ai-card {
  background: var(--oat-card);
  border: 1px solid var(--border-cushion);
  border-radius: var(--radius-cushion);
  box-shadow: var(--rim-refraction);
  padding: 26px 24px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
  transition: transform var(--transition-rebound), box-shadow var(--transition-rebound), border-color var(--transition-squish);
  cursor: pointer;
}

.ai-card:hover {
  transform: translateY(-4px) scale(1.02);
  border-color: var(--border-cushion-hover);
  box-shadow: var(--rim-refraction), var(--shadow-soft-float);
  background: var(--card-surface-hover);
}

.ai-card:active {
  transform: translate3d(0, 3px, 0) scale(0.97);
  transition: transform var(--transition-squish);
}

.ai-icon-pill {
  width: 50px;
  height: 50px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.15rem;
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.ai-openai { background: #10a37f; color: #fff; }
.ai-claude { background: #d97706; color: #fff; }
.ai-midjourney { background: #2563eb; color: #fff; }
.ai-gemini { background: #4285f4; color: #fff; }
.ai-sora { background: #7c3aed; color: #fff; }
.ai-copilot { background: #0284c7; color: #fff; }

.ai-content h4 {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--espresso-black);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.ai-pill-status {
  font-size: 0.72rem;
  padding: 2px 8px;
  background: rgba(16, 185, 129, 0.12);
  color: #059669;
  border-radius: var(--radius-full);
}

.ai-content p {
  font-size: 0.9rem;
  color: var(--espresso-muted);
  line-height: 1.6;
}

/* ---------------- 套餐价格对比表 (参考网上真实机场加速器套餐价格) ---------------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  align-items: stretch;
}

.pricing-card {
  background: var(--card-surface);
  border: 1px solid var(--border-cushion);
  border-radius: var(--radius-pillow);
  box-shadow: var(--rim-refraction), var(--shadow-pillow);
  padding: 44px 34px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform var(--transition-rebound), box-shadow var(--transition-rebound), border-color var(--transition-squish);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.pricing-card:hover {
  transform: translateY(-8px) scale(1.012);
  border-color: var(--border-cushion-hover);
  box-shadow: var(--rim-refraction), var(--shadow-pillow-hover);
}

/* 进阶主力推荐卡片高光 */
.pricing-card.featured {
  border-color: rgba(124, 58, 237, 0.4);
  background: var(--card-surface-hover);
  box-shadow: var(--rim-refraction), 0 30px 60px -15px rgba(124, 58, 237, 0.18);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--pill-gradient);
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 5px 18px;
  border-radius: var(--radius-full);
  letter-spacing: 0.5px;
  box-shadow: 0 6px 16px rgba(124, 58, 237, 0.35);
}

.pricing-header {
  margin-bottom: 24px;
}

.plan-name {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--espresso-black);
  margin-bottom: 8px;
}

.plan-desc {
  font-size: 0.92rem;
  color: var(--espresso-muted);
}

.price-box {
  margin-bottom: 30px;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.price-currency {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--arcane-lavender);
}

.price-amount {
  font-size: 3.4rem;
  font-weight: 800;
  line-height: 1;
  color: var(--espresso-black);
  letter-spacing: -1.2px;
}

.price-period {
  font-size: 0.95rem;
  color: var(--espresso-subtle);
  margin-left: 4px;
}

.plan-features {
  list-style: none;
  margin-bottom: 36px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.93rem;
  color: var(--espresso-dark);
}

.plan-features li svg.check {
  color: #10b981;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.plan-features li.disabled {
  color: var(--espresso-subtle);
  opacity: 0.45;
  text-decoration: line-through;
}

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

/* ---------------- 用户评价 ---------------- */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.review-card {
  background: var(--card-surface);
  border: 1px solid var(--border-cushion);
  border-radius: var(--radius-pillow);
  box-shadow: var(--rim-refraction), var(--shadow-soft-float);
  padding: 34px 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-rebound), box-shadow var(--transition-rebound), border-color var(--transition-squish);
  cursor: pointer;
}

.review-card:hover {
  transform: translateY(-5px) scale(1.015);
  border-color: var(--border-cushion-hover);
  box-shadow: var(--rim-refraction), var(--shadow-pillow);
}

.review-stars {
  display: flex;
  gap: 4px;
  color: #f59e0b;
  font-size: 1.1rem;
  margin-bottom: 16px;
}

.review-text {
  font-size: 0.96rem;
  color: var(--espresso-dark);
  line-height: 1.7;
  margin-bottom: 24px;
}

.review-user {
  display: flex;
  align-items: center;
  gap: 14px;
}

.user-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--pill-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1.05rem;
  box-shadow: 0 4px 10px rgba(124, 58, 237, 0.25);
}

.user-info h5 {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--espresso-black);
}

.user-info span {
  font-size: 0.82rem;
  color: var(--espresso-subtle);
}

/* ---------------- FAQ 常见问题解答 ---------------- */
.faq-container {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--card-surface);
  border: 1px solid var(--border-cushion);
  border-radius: var(--radius-cushion);
  box-shadow: var(--rim-refraction), var(--shadow-soft-float);
  overflow: hidden;
  transition: border-color var(--transition-squish), box-shadow var(--transition-rebound);
}

.faq-item:hover {
  border-color: var(--border-cushion-hover);
}

.faq-question {
  padding: 22px 28px;
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--espresso-black);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
  list-style: none;
  transition: color 0.2s ease;
}

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

.faq-arrow {
  width: 20px;
  height: 20px;
  color: var(--espresso-subtle);
  transition: transform var(--transition-rebound), color 0.2s ease;
}

details[open] .faq-arrow {
  transform: rotate(180deg);
  color: var(--arcane-lavender);
}

.faq-answer {
  padding: 0 28px 24px;
  font-size: 0.96rem;
  color: var(--espresso-muted);
  line-height: 1.75;
}

/* ---------------- 底部行动横幅 ---------------- */
.cta-banner {
  background: var(--pill-gradient);
  border-radius: var(--radius-pillow);
  box-shadow: var(--rim-refraction), 0 24px 50px -12px rgba(124, 58, 237, 0.4);
  padding: 68px 40px;
  text-align: center;
  color: #ffffff;
  margin: 60px 0;
  position: relative;
  overflow: hidden;
}

.cta-banner h2 {
  font-size: 2.35rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.6px;
}

.cta-banner p {
  font-size: 1.15rem;
  opacity: 0.94;
  max-width: 620px;
  margin: 0 auto 34px;
  line-height: 1.6;
}

.btn-white {
  background: #ffffff;
  color: #7c3aed;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.16);
}

.btn-white:hover {
  background: #fdfcf9;
  color: #6d28d9;
}

/* ---------------- 页脚规定（严格保留四个标题） ---------------- */
.site-footer {
  background: var(--oat-grey);
  border-top: 1px solid var(--border-cushion);
  padding: 50px 0;
  margin-top: 50px;
}

.footer-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  list-style: none;
}

.footer-link {
  color: var(--espresso-muted);
  text-decoration: none;
  font-size: 0.98rem;
  font-weight: 500;
  transition: all var(--transition-squish);
  padding: 8px 16px;
  border-radius: var(--radius-full);
}

.footer-link:hover {
  color: var(--arcane-lavender);
  background: var(--arcane-light);
}

.footer-copy {
  text-align: center;
  font-size: 0.88rem;
  color: var(--espresso-subtle);
  margin-top: 26px;
}

/* ---------------- 资讯与独立子页面排版 ---------------- */
.legal-page-header {
  padding: 56px 0 34px;
  text-align: center;
}

.legal-card {
  background: var(--card-surface);
  border: 1px solid var(--border-cushion);
  border-radius: var(--radius-pillow);
  box-shadow: var(--rim-refraction), var(--shadow-pillow);
  padding: 52px;
  margin-bottom: 60px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.legal-section {
  margin-bottom: 40px;
}

.legal-section:last-child {
  margin-bottom: 0;
}

.legal-section h3 {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--espresso-black);
  display: flex;
  align-items: center;
  gap: 12px;
}

.legal-section p {
  font-size: 1rem;
  color: var(--espresso-muted);
  line-height: 1.85;
  margin-bottom: 14px;
}

.legal-section ul {
  padding-left: 22px;
  color: var(--espresso-muted);
  line-height: 1.85;
}

.legal-section ul li {
  margin-bottom: 10px;
}

/* 资讯列表网格 (discover-insights.html) */
.insights-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.insight-card {
  background: var(--oat-card);
  border: 1px solid var(--border-cushion);
  border-radius: var(--radius-cushion);
  box-shadow: var(--rim-refraction);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-rebound), box-shadow var(--transition-rebound), border-color var(--transition-squish);
  cursor: pointer;
}

.insight-card:hover {
  transform: translateY(-4px) scale(1.015);
  border-color: var(--border-cushion-hover);
  box-shadow: var(--rim-refraction), var(--shadow-soft-float);
  background: var(--card-surface-hover);
}

.insight-badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--arcane-lavender);
  background: var(--arcane-light);
  padding: 3px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
}

.insight-title {
  font-size: 1.28rem;
  font-weight: 800;
  color: var(--espresso-black);
  margin-bottom: 12px;
  line-height: 1.35;
}

.insight-summary {
  font-size: 0.94rem;
  color: var(--espresso-muted);
  line-height: 1.65;
  margin-bottom: 20px;
}

.insight-meta {
  margin-top: auto;
  font-size: 0.82rem;
  color: var(--espresso-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sitemap-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}

.sitemap-group {
  background: var(--oat-card);
  border: 1px solid var(--border-cushion);
  border-radius: var(--radius-cushion);
  box-shadow: var(--rim-refraction);
  padding: 28px;
}

.sitemap-group h4 {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--arcane-lavender);
}

.sitemap-group ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sitemap-group a {
  color: var(--espresso-muted);
  text-decoration: none;
  font-size: 0.96rem;
  transition: color var(--transition-squish);
}

.sitemap-group a:hover {
  color: var(--arcane-lavender);
  text-decoration: underline;
}

/* ---------------- 移动端单栏完美适配 (@media) ---------------- */
@media (max-width: 1024px) {
  .hero-dashboard-preview {
    grid-template-columns: repeat(2, 1fr);
  }
  .dash-stat:nth-child(2) {
    border-right: none;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .media-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin: 0 auto;
  }
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .insights-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .site-header {
    margin: 0 8px;
    top: 8px;
  }
  .navbar-pill {
    padding: 8px 14px;
  }
  .nav-menu {
    display: none; /* 移动端突出简洁与核心转化操作 */
  }

  .hero-title {
    font-size: 2.35rem;
    letter-spacing: -0.6px;
  }

  .hero-desc {
    font-size: 1.06rem;
    padding: 0 6px;
  }

  .hero-dashboard-preview {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 24px 20px;
    border-radius: var(--radius-cushion);
  }

  .dash-stat {
    border-right: none;
    border-bottom: 1px solid var(--border-cushion);
    padding-bottom: 14px;
  }
  .dash-stat:last-child {
    border-bottom: none;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }
  .feature-card {
    padding: 30px 22px;
    border-radius: var(--radius-cushion);
  }

  .media-showcase-box, .ai-showcase-box {
    padding: 28px 20px;
    border-radius: var(--radius-cushion);
  }
  .media-grid {
    grid-template-columns: 1fr;
  }
  .ai-grid {
    grid-template-columns: 1fr;
  }
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  .review-card {
    border-radius: var(--radius-cushion);
    padding: 26px 20px;
  }

  .section-title {
    font-size: 1.9rem;
  }
  .section {
    padding: 60px 0;
  }

  .cta-banner {
    padding: 44px 24px;
    border-radius: var(--radius-cushion);
  }
  .cta-banner h2 {
    font-size: 1.75rem;
  }

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

  .legal-card {
    padding: 30px 20px;
    border-radius: var(--radius-cushion);
  }
  .sitemap-grid {
    grid-template-columns: 1fr;
  }

  /* 移动端提升按钮触控体验与尺寸 */
  .btn {
    min-height: 48px;
    width: 100%;
  }

  .nav-actions .btn {
    width: auto;
    min-height: 38px;
    padding: 6px 14px;
    font-size: 0.86rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
}

/* ---------------- 深度长文与 SEO 文章排版规范 ---------------- */
.article-wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 0 80px;
}

.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--espresso-subtle);
  margin-bottom: 24px;
}

.article-breadcrumb a {
  color: var(--espresso-muted);
  text-decoration: none;
  transition: color var(--transition-squish);
}

.article-breadcrumb a:hover {
  color: var(--arcane-lavender);
}

.article-header {
  margin-bottom: 36px;
  text-align: left;
}

.article-header-tag {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--arcane-lavender);
  background: var(--arcane-light);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
}

.article-main-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.8px;
  color: var(--espresso-black);
  margin-bottom: 20px;
}

.article-meta-bar {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.88rem;
  color: var(--espresso-subtle);
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-cushion);
  flex-wrap: wrap;
}

.article-meta-bar span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.article-meta-bar svg {
  width: 16px;
  height: 16px;
  color: var(--arcane-lavender);
}

/* 枕型文章目录 (TOC) */
.article-toc {
  background: var(--oat-card);
  border: 1px solid var(--border-cushion);
  border-radius: var(--radius-cushion);
  box-shadow: var(--rim-refraction);
  padding: 28px 32px;
  margin: 36px 0;
}

.article-toc-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--espresso-black);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.article-toc-title svg {
  color: var(--arcane-lavender);
  width: 20px;
  height: 20px;
}

.article-toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-left: 8px;
}

.article-toc-list a {
  color: var(--espresso-dark);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color var(--transition-squish), transform var(--transition-squish);
  display: inline-block;
}

.article-toc-list a:hover {
  color: var(--arcane-lavender);
  transform: translateX(4px);
}

/* 文章正文与多级标题 */
.article-body {
  font-size: 1.05rem;
  color: var(--espresso-dark);
  line-height: 1.88;
}

.article-body p {
  margin-bottom: 22px;
}

.article-body h2 {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--espresso-black);
  margin: 48px 0 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--arcane-light);
  display: flex;
  align-items: center;
  gap: 10px;
}

.article-body h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--espresso-black);
  margin: 34px 0 16px;
}

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

.article-body li {
  margin-bottom: 10px;
}

.article-body strong {
  color: var(--espresso-black);
  font-weight: 700;
}

.article-body a {
  color: var(--arcane-lavender);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 600;
}

.article-body a:hover {
  color: var(--arcane-soft);
}

/* 提示与引用微模块 */
.article-callout {
  background: var(--arcane-light);
  border-left: 4px solid var(--arcane-lavender);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 20px 24px;
  margin: 28px 0;
  font-size: 0.98rem;
  color: var(--espresso-dark);
}

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

/* 结构化对比表格 */
.article-table-wrap {
  width: 100%;
  overflow-x: auto;
  margin: 32px 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-cushion);
  box-shadow: var(--rim-refraction);
}

.article-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.94rem;
}

.article-table th {
  background: var(--oat-card);
  color: var(--espresso-black);
  font-weight: 700;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-cushion);
  white-space: nowrap;
}

.article-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-cushion);
  color: var(--espresso-dark);
}

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

.article-table tr:hover td {
  background: var(--arcane-light);
}

/* 代码与配置片段 */
.article-code-block {
  background: #1e1b2e;
  color: #f1f0f7;
  border-radius: var(--radius-md);
  padding: 20px 24px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.92rem;
  overflow-x: auto;
  margin: 24px 0;
  line-height: 1.6;
}

/* 文章内的专属 FAQ 模块 */
.article-faq-section {
  margin: 56px 0 40px;
  padding-top: 36px;
  border-top: 1px solid var(--border-cushion);
}

.article-faq-section h2 {
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--espresso-black);
  margin-bottom: 24px;
}

/* 相关阅读网格 */
.article-related-section {
  margin: 60px 0 20px;
  padding-top: 40px;
  border-top: 1px solid var(--border-cushion);
}

.article-related-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--espresso-black);
  margin-bottom: 24px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.related-card {
  background: var(--oat-card);
  border: 1px solid var(--border-cushion);
  border-radius: var(--radius-md);
  box-shadow: var(--rim-refraction);
  padding: 20px 22px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-rebound), border-color var(--transition-squish);
}

.related-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-cushion-hover);
  background: var(--card-surface-hover);
}

.related-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--espresso-black);
  line-height: 1.45;
  margin-bottom: 8px;
}

.related-card span {
  font-size: 0.82rem;
  color: var(--arcane-lavender);
  font-weight: 600;
}

@media (max-width: 768px) {
  .article-main-title {
    font-size: 1.95rem;
  }
  .article-body h2 {
    font-size: 1.5rem;
  }
  .article-toc {
    padding: 20px;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
}