/* ==========================================================================
   悠兔机场 (yourabbit.homes) - 触感极简绒暖设计系统 (Tactile Cream-Minimalist)
   Cozy Daylight Sanctuary Palette:
   - Warm Angora Wool White (#faf8f5)
   - Soft Oat-Milk Beige (#f0ebe1)
   - Comforting Pastel Terracotta (#fb923c)
   Plush Soft-Body 28px Radius · Hyper-Diffuse Velvet Shadows · Memory-Foam Micro-Interactions
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. 变量与设计系统 (CSS Custom Properties)
   -------------------------------------------------------------------------- */
:root {
  /* 白天温暖避风港调色盘 (Cozy Daylight Sanctuary) */
  --bg-sanctuary: #faf8f5;          /* 温暖安哥拉兔羊毛白 */
  --bg-surface: #ffffff;            /* 纯净暖白面板 */
  --bg-oatmilk: #f0ebe1;            /* 柔和燕麦奶米色 */
  --bg-oatmilk-subtle: #f7f3ec;     /* 浅调燕麦乳白 */
  --bg-surface-glass: rgba(250, 248, 245, 0.88);
  --bg-card: #ffffff;
  --bg-card-hover: #fffdfa;

  /* 文字系统 - 柔和深碳素与暖棕石墨 */
  --text-main: #231e1a;             /* 深温暖炭黑 */
  --text-secondary: #574e46;        /* 燕麦深棕灰 */
  --text-muted: #8c7e73;            /* 柔和浅棕褐 */
  --text-invert: #faf8f5;

  /* 边框 - 极简弱化或无边框 */
  --border-subtle: rgba(180, 155, 130, 0.16);
  --border-focus: #fb923c;

  /* 品牌标志色彩：治愈暖意粉赤陶 (Pastel Terracotta) 与兔绒暖阳 */
  --brand-primary: #ea580c;         /* 暖赤陶主色 */
  --brand-terracotta: #fb923c;      /* 柔和粉赤陶 (Pastel Terracotta) */
  --brand-amber: #f59e0b;           /* 温暖琥珀黄 */
  --brand-warm-glow: rgba(251, 146, 60, 0.22);
  --brand-gradient: linear-gradient(135deg, #fb923c 0%, #ea580c 60%, #c2410c 100%);
  --brand-gradient-soft: linear-gradient(135deg, rgba(251, 146, 60, 0.12) 0%, rgba(245, 158, 11, 0.1) 100%);

  /* 状态指示色 */
  --badge-bg: #fff1e6;
  --badge-text: #c2410c;
  --badge-border: rgba(251, 146, 60, 0.35);
  --success: #15803d;
  --success-bg: #edf8f1;

  /* 触感毛绒深邃漫反射弥散阴影 (Hyper-Diffuse Rabbit Fur Shadows) */
  --shadow-plush-sm: 0 4px 14px -2px rgba(140, 110, 85, 0.06), 0 2px 6px -1px rgba(140, 110, 85, 0.04);
  --shadow-plush-md: 0 16px 38px -6px rgba(140, 110, 85, 0.09), 0 6px 18px -3px rgba(140, 110, 85, 0.05);
  --shadow-plush-lg: 0 24px 54px -10px rgba(140, 110, 85, 0.13), 0 10px 24px -5px rgba(140, 110, 85, 0.07);
  --shadow-plush-pillowy: 0 20px 48px -8px rgba(234, 88, 12, 0.22);

  /* 柔滑无界大圆角 (Plush Soft-body Modules) */
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 28px;               /* 严格采用 28px 软体大圆角 */
  --radius-xl: 36px;
  --radius-full: 9999px;

  /* 记忆海绵物理回弹曲线 (Memory-Foam Rebound Physics) */
  --rebound-physics: cubic-bezier(0.34, 1.56, 0.64, 1);
  --cushion-speed: 0.38s;
}

/* 夜间静谧暖绒避风港 (Nighttime Velvet Sanctuary Mode) */
[data-theme="dark"] {
  --bg-sanctuary: #12100e;          /* 温暖可可深焙黑 */
  --bg-surface: #1a1614;            /* 焙焦暖炭面板 */
  --bg-oatmilk: #231e1a;            /* 深燕麦烘焙黑 */
  --bg-oatmilk-subtle: #29231f;     /* 微光暖炭黑 */
  --bg-surface-glass: rgba(18, 16, 14, 0.9);
  --bg-card: #1c1815;
  --bg-card-hover: #26201b;

  --text-main: #fbf9f5;             /* 暖月光乳白 */
  --text-secondary: #d6ccbf;        /* 暖亚麻米灰 */
  --text-muted: #968a7c;            /* 暖烘砂棕灰 */
  --text-invert: #12100e;

  --border-subtle: rgba(251, 146, 60, 0.12);
  --border-focus: #fb923c;

  --brand-primary: #fb923c;
  --brand-terracotta: #fdba74;
  --brand-amber: #fcd34d;
  --brand-warm-glow: rgba(251, 146, 60, 0.35);
  --brand-gradient: linear-gradient(135deg, #fb923c 0%, #f97316 60%, #ea580c 100%);
  --brand-gradient-soft: linear-gradient(135deg, rgba(251, 146, 60, 0.18) 0%, rgba(245, 158, 11, 0.14) 100%);

  --badge-bg: rgba(251, 146, 60, 0.15);
  --badge-text: #fdba74;
  --badge-border: rgba(251, 146, 60, 0.3);
  --success: #4ade80;
  --success-bg: rgba(74, 222, 128, 0.14);

  --shadow-plush-sm: 0 4px 14px -2px rgba(0, 0, 0, 0.45);
  --shadow-plush-md: 0 16px 38px -6px rgba(0, 0, 0, 0.6);
  --shadow-plush-lg: 0 24px 54px -10px rgba(0, 0, 0, 0.75);
  --shadow-plush-pillowy: 0 20px 48px -8px rgba(251, 146, 60, 0.3);
}

/* --------------------------------------------------------------------------
   2. 全局重置与排版规范
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
  background-color: var(--bg-sanctuary);
  color: var(--text-main);
  line-height: 1.68;
  letter-spacing: -0.012em;
  transition: background-color 0.4s ease, color 0.4s ease;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

img, svg {
  vertical-align: middle;
  display: inline-block;
  max-width: 100%;
}

button {
  font: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

ul, ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 28px;
  padding-right: 28px;
}

/* --------------------------------------------------------------------------
   3. 顶部导航栏 (Navbar)
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-surface-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color 0.4s ease, border-color 0.4s ease;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.32rem;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.brand-logo-img {
  height: 38px;
  width: auto;
  object-fit: contain;
  display: block;
  transition: transform var(--cushion-speed) var(--rebound-physics), filter 0.4s ease;
}

.brand-logo:hover .brand-logo-img {
  transform: translateY(-2px) scale(1.08) rotate(-2deg);
}

[data-theme="dark"] .brand-logo-img {
  filter: brightness(0) invert(1) drop-shadow(0 0 8px rgba(251, 146, 60, 0.4));
}

.brand-text {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 900;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: var(--radius-full);
  position: relative;
  transition: all 0.25s ease;
}

.nav-link:hover {
  color: var(--brand-primary);
  background: rgba(251, 146, 60, 0.08);
}

.nav-link.active {
  color: var(--brand-primary);
  background: var(--badge-bg);
  font-weight: 700;
}

/* 推荐资讯高亮小徽标入口 */
.nav-link-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.nav-link-badge .pulse-sparkle {
  color: var(--brand-terracotta);
  font-size: 0.9rem;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* 精致透明专业昼夜模式切换按钮 */
.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: rgba(140, 110, 85, 0.07);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.theme-toggle-btn:hover {
  background: rgba(251, 146, 60, 0.15);
  color: var(--brand-primary);
  border-color: var(--brand-terracotta);
  transform: translateY(-2px);
  box-shadow: var(--shadow-plush-sm);
}

.theme-toggle-btn:active {
  transform: translateY(2px) scale(0.95);
}

.theme-icon {
  width: 20px;
  height: 20px;
  transition: transform 0.4s var(--rebound-physics), opacity 0.3s ease;
  position: absolute;
}

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

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

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

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

.mobile-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  color: var(--text-main);
  cursor: pointer;
}

/* --------------------------------------------------------------------------
   4. 触感软体微交互与按钮系统 (Tactile Cushion Physics)
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 700;
  font-size: 0.98rem;
  line-height: 1;
  padding: 14px 26px;
  min-height: 50px;
  border-radius: var(--radius-full);
  transition: transform var(--cushion-speed) var(--rebound-physics), 
              box-shadow var(--cushion-speed) ease, 
              background var(--cushion-speed) ease;
  text-align: center;
  white-space: nowrap;
  user-select: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

/* 触感按压软体回弹效果：下压 3px 并在松开时平滑弹回 */
.btn:active {
  transform: translateY(3px) scale(0.975);
}

.btn-sm {
  padding: 10px 18px;
  min-height: 40px;
  font-size: 0.9rem;
}

.btn-lg {
  padding: 18px 36px;
  min-height: 58px;
  font-size: 1.08rem;
  font-weight: 800;
}

.btn-primary {
  background: var(--brand-gradient);
  color: #ffffff;
  box-shadow: var(--shadow-plush-pillowy);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 24px 52px -6px rgba(234, 88, 12, 0.32);
  color: #ffffff;
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-plush-sm);
}

.btn-secondary:hover {
  background: var(--bg-oatmilk-subtle);
  border-color: var(--brand-terracotta);
  color: var(--brand-primary);
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--shadow-plush-md);
}

.btn-block {
  width: 100%;
}

/* 软体模块卡片通用物理属性 (28px 软体无界圆角与深邃兔绒漫射阴影) */
.plush-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);   /* 28px */
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-plush-sm);
  transition: transform var(--cushion-speed) var(--rebound-physics), 
              box-shadow var(--cushion-speed) ease, 
              border-color var(--cushion-speed) ease;
  position: relative;
  overflow: hidden;
}

/* 记忆海绵下沉下压与回弹微交互 */
.plush-card:hover {
  transform: translateY(-5px) scale(1.012);
  box-shadow: var(--shadow-plush-lg);
  border-color: rgba(251, 146, 60, 0.3);
}

.plush-card:active {
  transform: translateY(3px) scale(0.985);
  transition-duration: 0.12s;
}

/* --------------------------------------------------------------------------
   5. 主视觉避风港区 (Hero Section)
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  padding: 88px 0 72px 0;
  text-align: center;
  overflow: hidden;
}

.hero-glow-bg {
  position: absolute;
  top: -180px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(circle, var(--brand-warm-glow) 0%, rgba(240, 235, 225, 0.4) 45%, transparent 75%);
  filter: blur(70px);
  z-index: -1;
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  color: var(--badge-text);
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 28px;
  box-shadow: var(--shadow-plush-sm);
}

.hero-headline {
  font-size: clamp(1.15rem, 2.5vw, 2.45rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.35;
  margin-bottom: 22px;
  color: var(--text-main);
  white-space: nowrap; /* 严格单行：绝不分行 */
  text-align: center;
  max-width: 100%;
}

.hero-subhead {
  max-width: 780px;
  margin: 0 auto 40px auto;
  font-size: clamp(1.05rem, 1.9vw, 1.28rem);
  color: var(--text-secondary);
  line-height: 1.72;
}

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

.hero-guarantee {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 600;
}

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

.hero-guarantee-item svg {
  color: var(--brand-primary);
  width: 18px;
  height: 18px;
}

/* 核心指标统计条 */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  box-shadow: var(--shadow-plush-md);
  margin-top: 36px;
}

.stat-item {
  text-align: center;
  border-right: 1px solid var(--border-subtle);
  padding: 0 12px;
}

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

.stat-number {
  font-size: 2.2rem;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 6px;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   6. 通用章节布局
   -------------------------------------------------------------------------- */
.section {
  padding: 92px 0;
  position: relative;
}

.section-alt {
  background-color: var(--bg-oatmilk);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.84rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand-primary);
  background: var(--badge-bg);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
  box-shadow: var(--shadow-plush-sm);
}

.section-title {
  font-size: clamp(1.9rem, 3.2vw, 2.6rem);
  font-weight: 900;
  letter-spacing: -0.025em;
  margin-bottom: 16px;
  color: var(--text-main);
}

.section-desc {
  font-size: 1.08rem;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   7. 核心产品优势 (3大图文卡片)
   -------------------------------------------------------------------------- */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-card {
  padding: 42px 34px;
  display: flex;
  flex-direction: column;
}

.feature-icon-wrapper {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: var(--brand-gradient-soft);
  color: var(--brand-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 26px;
}

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

.feature-title {
  font-size: 1.38rem;
  font-weight: 800;
  margin-bottom: 14px;
  color: var(--text-main);
}

.feature-desc {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.7;
  margin-bottom: 24px;
  flex-grow: 1;
}

.feature-highlights {
  list-style: none;
  padding-top: 18px;
  border-top: 1px dashed var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-highlights li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.feature-highlights svg {
  color: var(--brand-primary);
  width: 17px;
  height: 17px;
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   8. 流媒体专区与 AI 支持专区图卡 (2-Col Visual Showcase)
   -------------------------------------------------------------------------- */
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 34px;
}

.showcase-card {
  padding: 42px 36px;
  display: flex;
  flex-direction: column;
}

.showcase-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.showcase-title-area {
  display: flex;
  align-items: center;
  gap: 16px;
}

.showcase-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
  box-shadow: var(--shadow-plush-sm);
}

.icon-streaming {
  background: linear-gradient(135deg, #e50914 0%, #fb923c 100%);
}

.icon-ai {
  background: linear-gradient(135deg, #10a37f 0%, #ea580c 100%);
}

.showcase-card-title {
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--text-main);
}

.showcase-card-subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  background: var(--success-bg);
  color: var(--success);
  font-size: 0.8rem;
  font-weight: 800;
  white-space: nowrap;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  display: inline-block;
  animation: blink 2s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.showcase-desc {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.68;
  margin-bottom: 26px;
}

.app-badge-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 26px;
}

.app-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px 10px;
  background: var(--bg-oatmilk-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  text-align: center;
  transition: all var(--cushion-speed) var(--rebound-physics);
}

.app-badge:hover {
  background: var(--bg-surface);
  border-color: var(--brand-terracotta);
  transform: translateY(-3px) scale(1.04);
  box-shadow: var(--shadow-plush-sm);
}

.app-logo {
  width: 30px;
  height: 30px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.app-name {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-main);
}

.showcase-features-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--border-subtle);
}

.showcase-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.84rem;
  color: var(--text-secondary);
  background: var(--bg-oatmilk-subtle);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   9. 套餐价格对比表 (真实参考网路价格，加触感记忆海绵按压)
   -------------------------------------------------------------------------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  align-items: stretch;
  padding-top: 20px; /* 预留顶部悬浮徽标空间，防止被上方遮挡 */
}

.pricing-card {
  padding: 44px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: visible !important; /* 彻底解除 overflow: hidden 截断遮挡 */
}

.pricing-card.popular {
  border: 2px solid var(--brand-primary);
  box-shadow: var(--shadow-plush-lg);
  transform: scale(1.03);
  z-index: 5;
}

.pricing-card.popular:hover {
  transform: scale(1.03) translateY(-5px);
}

.popular-ribbon {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--brand-gradient);
  color: #ffffff;
  padding: 6px 22px;
  border-radius: var(--radius-full);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  box-shadow: var(--shadow-plush-pillowy);
  white-space: nowrap; /* 绝对禁止折行 */
  z-index: 30; /* 提升绝对层级，置于卡片边框之上，彻底杜绝文字遮挡 */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1.2;
}

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

.plan-name {
  font-size: 1.45rem;
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 8px;
}

.plan-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  min-height: 44px;
}

.plan-price-box {
  margin: 22px 0 26px 0;
  text-align: center;
}

.price-currency {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--brand-primary);
  vertical-align: top;
  line-height: 1.8;
}

.price-amount {
  font-size: 3.4rem;
  font-weight: 900;
  letter-spacing: -0.035em;
  color: var(--text-main);
  line-height: 1;
}

.price-period {
  font-size: 0.92rem;
  color: var(--text-muted);
  font-weight: 600;
}

.plan-features {
  margin-bottom: 34px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.plan-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.plan-feature-item svg {
  color: var(--brand-primary);
  width: 19px;
  height: 19px;
  flex-shrink: 0;
  margin-top: 2px;
}

.plan-feature-item.strong {
  font-weight: 700;
  color: var(--text-main);
}

.pricing-footer {
  margin-top: auto;
}

.pricing-note {
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 14px;
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   10. 用户评价 (严禁通用AI头像，采用触感首字母暖印徽标)
   -------------------------------------------------------------------------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}

.testimonial-card {
  padding: 32px 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.stars-rating {
  color: var(--brand-amber);
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
}

.testimonial-content {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.68;
  margin-bottom: 24px;
  flex-grow: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 18px;
  border-top: 1px solid var(--border-subtle);
}

/* 零通用AI头像，使用质感暖绒字母印记 */
.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--brand-gradient-soft);
  color: var(--brand-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1rem;
  flex-shrink: 0;
  border: 1px solid rgba(251, 146, 60, 0.25);
  box-shadow: var(--shadow-plush-sm);
}

.author-info {
  display: flex;
  flex-direction: column;
}

.author-name {
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--text-main);
}

.author-role {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   11. 常见问题解答 (FAQ Accordion)
   -------------------------------------------------------------------------- */
.faq-container {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 18px;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 22px 28px;
  background: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  font-size: 1.08rem;
  font-weight: 800;
  color: var(--text-main);
  cursor: pointer;
  transition: color 0.2s ease;
}

.faq-question:hover {
  color: var(--brand-primary);
}

.faq-icon {
  width: 24px;
  height: 24px;
  color: var(--brand-primary);
  transition: transform var(--cushion-speed) var(--rebound-physics);
  flex-shrink: 0;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.36s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer-inner {
  padding: 0 28px 24px 28px;
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.75;
  border-top: 1px dashed var(--border-subtle);
  padding-top: 18px;
}

/* --------------------------------------------------------------------------
   12. 底部 CTA 呼吁横幅
   -------------------------------------------------------------------------- */
.cta-banner-section {
  padding: 30px 0 90px 0;
}

.cta-banner-card {
  background: var(--brand-gradient);
  border-radius: var(--radius-xl);
  padding: 68px 44px;
  text-align: center;
  color: #ffffff;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-plush-pillowy);
}

.cta-banner-title {
  font-size: clamp(2rem, 3.8vw, 2.8rem);
  font-weight: 900;
  letter-spacing: -0.025em;
  margin-bottom: 16px;
}

.cta-banner-desc {
  max-width: 660px;
  margin: 0 auto 36px auto;
  font-size: 1.15rem;
  opacity: 0.96;
  line-height: 1.7;
}

.cta-banner-btn {
  background: #ffffff;
  color: var(--brand-primary);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.18);
}

.cta-banner-btn:hover {
  background: var(--bg-sanctuary);
  color: #c2410c;
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 20px 42px rgba(0, 0, 0, 0.25);
}

/* --------------------------------------------------------------------------
   13. 页脚 (Footer) - 严格保留四大跳转标题链接
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: 52px 0 40px 0;
  margin-top: auto;
  transition: background-color 0.4s ease, border-color 0.4s ease;
}

.footer-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  margin-bottom: 26px;
}

.footer-link {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text-secondary);
  transition: all 0.2s ease;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
}

.footer-link:hover {
  color: var(--brand-primary);
  background: rgba(251, 146, 60, 0.08);
}

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

/* --------------------------------------------------------------------------
   14. 推荐资讯专区 (Recommend Articles / News Grid)
   -------------------------------------------------------------------------- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 36px;
}

.news-card {
  padding: 34px 28px;
  display: flex;
  flex-direction: column;
}

a.news-card {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  transition: all var(--cushion-speed) var(--rebound-physics);
}

a.news-card:hover {
  transform: translateY(-4px);
  border-color: var(--brand-terracotta);
  box-shadow: var(--shadow-plush-md);
}

a.news-card:hover .news-title {
  color: var(--brand-primary);
}

a.news-card:hover .news-readmore {
  text-decoration: underline;
}

a.news-card:hover .news-readmore svg {
  transform: translateX(4px);
}

.news-readmore svg {
  transition: transform 0.2s ease;
}

.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  font-size: 0.84rem;
  color: var(--text-muted);
}

.news-category-badge {
  background: var(--badge-bg);
  color: var(--badge-text);
  font-weight: 800;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.news-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.45;
  margin-bottom: 14px;
}

.news-summary {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.68;
  margin-bottom: 22px;
  flex-grow: 1;
}

.news-readmore {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--brand-primary);
  font-weight: 700;
  font-size: 0.92rem;
  margin-top: auto;
}

.news-readmore:hover {
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   15. 独立信息页样式 (关于我们/条款/隐私/网站地图)
   -------------------------------------------------------------------------- */
.page-wrapper {
  padding: 68px 0 90px 0;
  max-width: 900px;
  margin: 0 auto;
}

.page-header {
  margin-bottom: 44px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border-subtle);
}

.page-badge {
  display: inline-block;
  font-size: 0.84rem;
  font-weight: 800;
  background: var(--badge-bg);
  color: var(--badge-text);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
}

.page-title {
  font-size: clamp(2.1rem, 3.8vw, 2.8rem);
  font-weight: 900;
  letter-spacing: -0.025em;
  color: var(--text-main);
  margin-bottom: 14px;
}

.page-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
}

.article-content {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text-secondary);
}

.article-content h2 {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--text-main);
  margin: 44px 0 18px 0;
  display: flex;
  align-items: center;
  gap: 12px;
}

.article-content h2::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 22px;
  background: var(--brand-gradient);
  border-radius: var(--radius-full);
}

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

.article-content ul, .article-content ol {
  margin-bottom: 24px;
  padding-left: 26px;
}

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

.article-content ol li {
  list-style-type: decimal;
  margin-bottom: 10px;
}

.info-alert-box {
  background: var(--bg-oatmilk-subtle);
  border-left: 4px solid var(--brand-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 20px 24px;
  margin: 26px 0;
  font-size: 0.98rem;
  box-shadow: var(--shadow-plush-sm);
}

.info-alert-box.danger {
  border-left-color: #ef4444;
  background: rgba(239, 68, 68, 0.08);
}

/* --------------------------------------------------------------------------
   15.1 深度长文 SEO 专栏与文章细节样式 (Breadcrumb, TOC, Tables, FAQ)
   -------------------------------------------------------------------------- */
.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.breadcrumb-nav a {
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

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

.breadcrumb-separator {
  color: var(--border-subtle);
}

.article-meta-bar {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-top: 14px;
  flex-wrap: wrap;
}

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

/* 目录卡片 (Table of Contents) */
.article-toc {
  background: var(--bg-oatmilk-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 26px 30px;
  margin: 32px 0 42px 0;
  box-shadow: var(--shadow-plush-sm);
}

.toc-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toc-list {
  list-style: none;
  padding-left: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toc-list li a {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.toc-list li a:hover {
  color: var(--brand-primary);
  transform: translateX(4px);
}

.toc-list li a .toc-num {
  font-size: 0.82rem;
  color: var(--brand-primary);
  font-weight: 800;
  background: var(--badge-bg);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

/* 响应式数据评测表格 */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 28px 0;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-plush-sm);
  border: 1px solid var(--border-subtle);
}

.article-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.94rem;
  background: var(--bg-surface);
}

.article-table th {
  background: var(--bg-oatmilk);
  color: var(--text-main);
  font-weight: 800;
  padding: 14px 18px;
  border-bottom: 2px solid var(--border-subtle);
  white-space: nowrap;
}

.article-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

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

.article-table tr:hover td {
  background: var(--bg-oatmilk-subtle);
}

/* 站内内链样式高亮 */
.internal-link {
  color: var(--brand-primary);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: all 0.2s ease;
}

.internal-link:hover {
  color: var(--brand-terracotta);
}

/* 相关阅读网格 (Related Articles) */
.related-posts-section {
  margin-top: 60px;
  padding-top: 36px;
  border-top: 1px solid var(--border-subtle);
}

.related-posts-title {
  font-size: 1.45rem;
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 24px;
}

.related-posts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.related-card {
  padding: 22px 20px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  transition: all var(--cushion-speed) var(--rebound-physics);
}

.related-card:hover {
  transform: translateY(-3px);
  border-color: var(--brand-terracotta);
  box-shadow: var(--shadow-plush-sm);
}

.related-card-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 8px;
  line-height: 1.45;
}

.related-card-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 12px;
  flex-grow: 1;
}

.related-card-link {
  font-size: 0.86rem;
  color: var(--brand-primary);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.back-home-bar {
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
}

.sitemap-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 32px;
}

.sitemap-card {
  padding: 32px;
}

.sitemap-card-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.sitemap-links-list li {
  margin-bottom: 14px;
}

.sitemap-links-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--brand-primary);
  font-weight: 600;
}

.sitemap-links-list a:hover {
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   16. 响应式媒体查询 (@media Queries)
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .advantages-grid {
    grid-template-columns: 1fr;
    max-width: 620px;
    margin: 0 auto;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }

  .pricing-card.popular {
    transform: none;
  }

  .pricing-card.popular:hover {
    transform: translateY(-5px);
  }

  .showcase-grid {
    grid-template-columns: 1fr;
  }

  .news-grid {
    grid-template-columns: 1fr;
  }

  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 26px 0;
  }

  .stat-item:nth-child(2) {
    border-right: none;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--bg-sanctuary);
    border-bottom: 1px solid var(--border-subtle);
    padding: 22px 28px;
    box-shadow: var(--shadow-plush-lg);
    gap: 16px;
    align-items: flex-start;
  }

  .mobile-menu-btn {
    display: inline-flex;
  }

  .hero-section {
    padding: 56px 0 44px 0;
  }

  .hero-headline {
    font-size: clamp(0.95rem, 3.8vw, 1.4rem);
    white-space: nowrap;
  }

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

  .hero-cta-group .btn {
    width: 100%;
    min-height: 52px;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
  }

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

  .stat-item {
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: 16px;
  }

  .stat-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }

  .app-badge-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-nav {
    flex-direction: column;
    gap: 14px;
  }

  .sitemap-grid {
    grid-template-columns: 1fr;
  }

  .cta-banner-card {
    padding: 44px 24px;
  }
}

@media (max-width: 480px) {
  .container {
    padding-left: 18px;
    padding-right: 18px;
  }

  .hero-headline {
    font-size: clamp(0.72rem, 3.9vw, 0.98rem);
    white-space: nowrap;
  }

  .btn-lg {
    padding: 16px 22px;
    font-size: 1.02rem;
  }

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