/* ============================================================
   design-system.css · 尚华咨询 设计系统（唯一入口）
   版本: v3.8
   说明: 全站统一设计变量与完整组件库。由 magazine.css 完整主干
         + 补充组件合并而成。所有页面的品牌色、按钮、表单、页脚、
         导航、卡片、交互组件等视觉元素均由此文件统一控制。
         禁止在页面内硬编码视觉样式。
   ============================================================

/* ============ 1. 设计令牌 ============ */
:root {
  /* 品牌色 */
  --mg-primary: #1F8B7C;
  --mg-primary-dark: #167063;
  --mg-primary-light: #22A695;
  --mg-accent: #00D4AA;
  --mg-gold: #D4A84B;

  /* 中性色 */
  --mg-black: #0A0F0D;
  --mg-white: #FFFFFF;
  --mg-paper: #FAF8F3;
  --mg-cream: #F5F2EC;

  /* 文字色 */
  --mg-text-1: #0F1419;
  --mg-text-2: #3A4252;
  --mg-text-3: #6B7280;
  --mg-text-4: #9CA3AF;
  --mg-text-inv: #FFFFFF;
  --mg-text-inv-2: rgba(255,255,255,0.72);
  --mg-text-inv-3: rgba(255,255,255,0.48);

  /* 背景色 */
  --mg-bg-dark: #0A1F1A;
  --mg-bg-darker: #050F0C;
  --mg-bg-light: #FAF8F3;
  --mg-bg-white: #FFFFFF;
  --mg-bg-accent: rgba(31,139,124,0.06);

  /* 边框 */
  --mg-border: #E5E3DF;
  --mg-border-dark: rgba(255,255,255,0.10);
  --mg-border-accent: rgba(31,139,124,0.20);

  /* 字体 */
  --mg-font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --mg-font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --mg-font-serif: 'Georgia', 'Times New Roman', serif;

  /* 间距 */
  --mg-space-xs: 8px;
  --mg-space-sm: 16px;
  --mg-space-md: 24px;
  --mg-space-lg: 40px;
  --mg-space-xl: 64px;
  --mg-space-2xl: 96px;
  --mg-space-3xl: 128px;

  /* 圆角 */
  --mg-radius-sm: 8px;
  --mg-radius-md: 12px;
  --mg-radius-lg: 20px;
  --mg-radius-full: 999px;

  /* 容器 */
  --mg-container: 1200px;
  --mg-container-narrow: 760px;
  --mg-container-wide: 1440px;

  /* 动效 */
  --mg-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --mg-ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --mg-duration: 0.6s;
  --mg-duration-slow: 1.2s;

  /* 阴影 */
  --mg-shadow-sm: 0 1px 3px rgba(15,20,25,0.06);
  --mg-shadow-md: 0 8px 24px rgba(15,20,25,0.08);
  --mg-shadow-lg: 0 24px 60px rgba(15,20,25,0.12);
}

/* ============ 2. 重置 ============ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
  font-family: var(--mg-font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--mg-text-1);
  background: var(--mg-white);
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }
ul, ol { list-style: none; }

/* ============ 3. 排版 ============ */
.mg-display {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--mg-text-1);
}
.mg-headline {
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--mg-text-1);
}
.mg-title {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--mg-text-1);
}
.mg-subtitle {
  font-size: 1.15rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--mg-text-3);
}
.mg-body { font-size: 1rem; line-height: 1.7; color: var(--mg-text-2); }
.mg-caption {
  font-family: var(--mg-font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--mg-primary);
  font-weight: 500;
}
.mg-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mg-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mg-primary);
  font-weight: 600;
  margin-bottom: var(--mg-space-md);
}
.mg-eyebrow::before {
  content: '';
  width: 24px;
  height: 1.5px;
  background: var(--mg-primary);
}
.mg-text-inv .mg-display,
.mg-text-inv .mg-headline,
.mg-text-inv .mg-title { color: var(--mg-text-inv); }
.mg-text-inv .mg-subtitle { color: var(--mg-text-inv-2); }
.mg-text-inv .mg-body { color: var(--mg-text-inv-2); }

/* ============ 4. 容器 ============ */
.mg-container { max-width: var(--mg-container); margin: 0 auto; padding: 0 24px; }
.mg-container-narrow { max-width: var(--mg-container-narrow); margin: 0 auto; padding: 0 24px; }
.mg-container-wide { max-width: var(--mg-container-wide); margin: 0 auto; padding: 0 24px; }
@media (max-width: 768px) {
  .mg-container, .mg-container-narrow, .mg-container-wide { padding: 0 20px; }
}

/* ============ 5. 导航栏 ============ */
.mg-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: 64px;
  display: flex;
  align-items: center;
  transition: background 0.4s var(--mg-ease), backdrop-filter 0.4s, box-shadow 0.4s;
}
.mg-nav.scrolled {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--mg-border);
}
.mg-nav-dark.scrolled {
  background: rgba(10,31,26,0.92);
  box-shadow: 0 1px 0 var(--mg-border-dark);
}
/* 恒白底导航（始终不透明） */
.mg-nav-solid { background: #fff; box-shadow: 0 1px 0 var(--mg-border); }
/* 恒深色底导航（暗色主题页） */
.mg-nav-solid-dark {
  background: rgba(5,15,12,.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.mg-nav-solid-dark .mg-nav-brand,
.mg-nav-solid-dark .mg-nav-brand > span { color: var(--mg-text-inv); }
.mg-nav-solid-dark .mg-nav-link { color: var(--mg-text-inv-2); }
.mg-nav-solid-dark .mg-nav-link:hover { color: var(--mg-accent); background: rgba(255,255,255,.08); }
.mg-nav-solid-dark .mg-nav-link.active { color: var(--mg-accent) !important; }
.mg-nav-solid-dark .mg-nav-toggle span { background: var(--mg-text-inv-2); }
.mg-nav-solid-dark .nav-dashboard-link { color: var(--mg-text-inv) !important; }
.mg-nav-inner {
  width: 100%;
  max-width: var(--mg-container-wide);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.mg-nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--mg-text-inv);
  transition: color 0.3s;
}
.mg-nav.scrolled .mg-nav-brand,
.mg-nav:not(.mg-nav-transparent) .mg-nav-brand { color: var(--mg-text-1); }
.mg-nav-dark.scrolled .mg-nav-brand { color: var(--mg-text-inv); }
.mg-nav-brand-mark {
  width: 32px;
  height: 32px;
  border-radius: var(--mg-radius-sm);
  background: linear-gradient(135deg, var(--mg-primary) 0%, var(--mg-primary-dark) 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 800;
}
.mg-nav-menu {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: nowrap;
}
.mg-nav-link {
  padding: 8px 12px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--mg-text-inv-2);
  border-radius: var(--mg-radius-sm);
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
  flex-shrink: 0;
}
.mg-nav-link:hover { color: var(--mg-text-inv); background: rgba(255,255,255,0.08); }
.mg-nav.scrolled .mg-nav-link,
.mg-nav:not(.mg-nav-transparent) .mg-nav-link { color: var(--mg-text-2); }
.mg-nav.scrolled .mg-nav-link:hover { color: var(--mg-text-1); background: var(--mg-bg-accent); }
.mg-nav-dark.scrolled .mg-nav-link { color: var(--mg-text-inv-2); }
.mg-nav-link.active { color: var(--mg-primary) !important; font-weight: 600; }
.mg-nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  background: var(--mg-primary);
  color: #fff !important;
  border-radius: var(--mg-radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}
.mg-nav-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(31,139,124,0.3); background: var(--mg-primary-light); }
.mg-nav-brand { flex-shrink: 0; }
.mg-nav-toggle {
  display: none;
  width: 40px; height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}
.mg-nav-toggle span {
  width: 22px; height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
@media (max-width: 1100px) {
  .mg-nav-menu {
    position: fixed;
    top: 64px; left: 0; right: 0; bottom: 0;
    background: var(--mg-white);
    flex-direction: column;
    padding: 24px;
    gap: 4px;
    transform: translateX(100%);
    transition: transform 0.4s var(--mg-ease);
    overflow-y: auto;
  }
  .mg-nav-menu.open { transform: translateX(0); }
  .mg-nav-link { padding: 14px 16px; font-size: 1rem; color: var(--mg-text-1) !important; }
  .mg-nav-toggle { display: flex; color: var(--mg-text-inv); }
  .mg-nav.scrolled .mg-nav-toggle { color: var(--mg-text-1); }
  .mg-nav-dark.scrolled .mg-nav-toggle { color: var(--mg-text-inv); }
  /* 移动端：透明导航叠在深色 Hero 上时补半透明底色与分隔线，避免与 Hero 背景融合 */
  .mg-nav-transparent {
    background: rgba(10,31,26,0.82);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 1px 0 rgba(255,255,255,0.08);
  }
  .mg-nav-transparent.scrolled {
    background: rgba(255,255,255,0.92);
    box-shadow: 0 1px 0 var(--mg-border);
  }
  /* 移动端深色导航改为不透明，避免关闭模糊后页面内容透出影响品牌区可读性 */
  .mg-nav-solid-dark {
    background: var(--mg-bg-darker);
  }
  /* 移动端关闭导航模糊：backdrop-filter 会为 fixed 定位的 .mg-nav-menu 创建包含块，
     使其高度塌陷为导航栏内剩余高度（48px），导致菜单项被裁剪无法点击 */
  .mg-nav,
  .mg-nav.scrolled,
  .mg-nav-solid,
  .mg-nav-solid-dark,
  .mg-nav-transparent,
  .mg-nav-transparent.scrolled {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}

/* ============ 6. Hero ============ */
.mg-hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--mg-bg-dark);
}
.mg-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.mg-hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg,
    rgba(10,15,13,0.3) 0%,
    rgba(10,15,13,0.5) 50%,
    rgba(10,15,13,0.85) 100%);
}
.mg-hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 0 24px 96px;
  max-width: var(--mg-container-wide);
  margin: 0 auto;
}
.mg-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--mg-radius-full);
  font-family: var(--mg-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--mg-text-inv-2);
  backdrop-filter: blur(8px);
  margin-bottom: var(--mg-space-lg);
  animation: mgFadeUp 0.8s var(--mg-ease) both;
}
.mg-hero-eyebrow .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--mg-accent);
  box-shadow: 0 0 12px var(--mg-accent);
  animation: mgPulse 2s infinite;
}
.mg-hero-title {
  font-size: clamp(2.8rem, 8vw, 6rem);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.035em;
  color: var(--mg-text-inv);
  margin-bottom: var(--mg-space-md);
  animation: mgFadeUp 0.8s var(--mg-ease) 0.1s both;
}
.mg-hero-title .accent { color: var(--mg-accent); }
.mg-hero-sub {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  line-height: 1.5;
  color: var(--mg-text-inv-2);
  max-width: 560px;
  margin-bottom: var(--mg-space-xl);
  animation: mgFadeUp 0.8s var(--mg-ease) 0.2s both;
}
.mg-hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: mgFadeUp 0.8s var(--mg-ease) 0.3s both;
}
.mg-hero-scroll {
  position: absolute;
  bottom: 32px; left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-family: var(--mg-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--mg-text-inv-3);
  animation: mgFadeUp 1s var(--mg-ease) 0.6s both;
}
.mg-hero-scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(180deg, transparent, var(--mg-text-inv-3));
  animation: mgScrollLine 2s infinite;
}

/* ============ 7. Section ============ */
.mg-section {
  padding: var(--mg-space-3xl) 0;
  position: relative;
}
.mg-section-dark { background: var(--mg-bg-dark); color: var(--mg-text-inv-2); }
.mg-section-darker { background: var(--mg-bg-darker); color: var(--mg-text-inv-2); }
.mg-section-light { background: var(--mg-bg-light); }
.mg-section-white { background: var(--mg-white); }
.mg-section-tight { padding: var(--mg-space-2xl) 0; }
.mg-section-header {
  max-width: 720px;
  margin-bottom: var(--mg-space-2xl);
}
.mg-section-header.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.mg-section-dark .mg-display,
.mg-section-dark .mg-headline,
.mg-section-darker .mg-display,
.mg-section-darker .mg-headline { color: var(--mg-text-inv); }
.mg-section-dark .mg-subtitle,
.mg-section-darker .mg-subtitle { color: var(--mg-text-inv-2); }

/* ============ 8. 按钮 ============ */
.mg-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--mg-radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  transition: transform 0.25s var(--mg-ease), box-shadow 0.25s, background 0.25s, color 0.25s;
  white-space: nowrap;
}
.mg-btn-primary {
  background: var(--mg-primary);
  color: #fff;
}
.mg-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(31,139,124,0.35);
  background: var(--mg-primary-light);
}
.mg-btn-outline {
  border: 1.5px solid var(--mg-border);
  color: var(--mg-text-1);
  background: transparent;
}
.mg-btn-outline:hover {
  border-color: var(--mg-primary);
  color: var(--mg-primary);
  background: var(--mg-bg-accent);
}
.mg-btn-ghost-light {
  border: 1.5px solid rgba(255,255,255,0.25);
  color: var(--mg-text-inv);
  background: transparent;
  backdrop-filter: blur(8px);
}
.mg-btn-ghost-light:hover {
  border-color: var(--mg-text-inv);
  background: rgba(255,255,255,0.08);
}
.mg-btn-lg { padding: 16px 32px; font-size: 1rem; }
.mg-btn-sm { padding: 10px 20px; font-size: 0.875rem; }

/* ============ 9. 卡片/网格 ============ */
.mg-grid { display: grid; gap: var(--mg-space-lg); }
.mg-grid-2 { grid-template-columns: repeat(2, 1fr); }
.mg-grid-3 { grid-template-columns: repeat(3, 1fr); }
.mg-grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .mg-grid-3, .mg-grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .mg-grid-2, .mg-grid-3, .mg-grid-4 { grid-template-columns: 1fr; } }

.mg-card {
  display: block;
  background: var(--mg-white);
  border: 1px solid var(--mg-border);
  border-radius: var(--mg-radius-lg);
  overflow: hidden;
  transition: transform 0.35s var(--mg-ease), box-shadow 0.35s, border-color 0.35s;
}
.mg-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--mg-shadow-lg);
  border-color: var(--mg-primary);
}
.mg-card-img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  background: var(--mg-cream);
}
.mg-card-body { padding: var(--mg-space-lg); }
.mg-card-tag {
  display: inline-block;
  padding: 4px 10px;
  background: var(--mg-bg-accent);
  color: var(--mg-primary);
  border-radius: var(--mg-radius-full);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: var(--mg-space-sm);
}
.mg-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: var(--mg-space-xs);
  color: var(--mg-text-1);
}
.mg-card-text {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--mg-text-3);
}

/* ============ 10. 特性项 ============ */
.mg-feature {
  display: flex;
  flex-direction: column;
  gap: var(--mg-space-md);
}
.mg-feature-icon {
  width: 48px; height: 48px;
  border-radius: var(--mg-radius-md);
  background: var(--mg-bg-accent);
  color: var(--mg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}
.mg-feature-icon svg { width: 24px; height: 24px; }
.mg-feature-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--mg-text-1);
}
.mg-section-dark .mg-feature-title,
.mg-section-darker .mg-feature-title { color: var(--mg-text-inv); }
.mg-feature-text {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--mg-text-3);
}
.mg-section-dark .mg-feature-text,
.mg-section-darker .mg-feature-text { color: var(--mg-text-inv-2); }

/* ============ 11. 数据指标 ============ */
.mg-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--mg-space-lg);
}
@media (max-width: 768px) { .mg-stats { grid-template-columns: repeat(2, 1fr); } }
.mg-stat {
  text-align: left;
}
.mg-stat-num {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--mg-primary);
  margin-bottom: var(--mg-space-xs);
}
.mg-stat-label {
  font-size: 0.85rem;
  color: var(--mg-text-3);
  font-weight: 500;
}
.mg-section-dark .mg-stat-label,
.mg-section-darker .mg-stat-label { color: var(--mg-text-inv-3); }

/* ============ 12. 引用/证言 ============ */
.mg-quote {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--mg-text-1);
  max-width: 880px;
}
.mg-section-dark .mg-quote { color: var(--mg-text-inv); }
.mg-quote-author {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: var(--mg-space-lg);
}
.mg-quote-avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--mg-bg-accent);
  color: var(--mg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}
.mg-quote-name { font-weight: 600; color: var(--mg-text-1); }
.mg-section-dark .mg-quote-name { color: var(--mg-text-inv); }
.mg-quote-role { font-size: 0.85rem; color: var(--mg-text-3); }
.mg-section-dark .mg-quote-role { color: var(--mg-text-inv-3); }

/* ============ 13. 页脚 ============ */
.mg-footer {
  background: var(--mg-bg-dark);
  color: var(--mg-text-inv-2);
  padding: var(--mg-space-3xl) 0 var(--mg-space-lg);
}
.mg-footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--mg-space-2xl);
  max-width: var(--mg-container);
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 900px) { .mg-footer-grid { grid-template-columns: 1fr 1fr; gap: var(--mg-space-xl); } }
@media (max-width: 600px) { .mg-footer-grid { grid-template-columns: 1fr; gap: var(--mg-space-lg); } }
.mg-footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--mg-text-inv);
  margin-bottom: var(--mg-space-md);
}
.mg-footer-brand-mark {
  width: 32px; height: 32px;
  border-radius: var(--mg-radius-sm);
  background: linear-gradient(135deg, var(--mg-primary) 0%, var(--mg-primary-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 800;
  color: #fff;
}
.mg-footer-desc { font-size: 0.9rem; line-height: 1.7; color: var(--mg-text-inv-3); max-width: 320px; margin-bottom: var(--mg-space-md); }
.mg-footer-col h4 { color: var(--mg-text-inv); font-size: 0.85rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: var(--mg-space-md); }
.mg-footer-col li { margin-bottom: 10px; }
.mg-footer-col a { color: var(--mg-text-inv-3); font-size: 0.9rem; transition: color 0.2s; }
.mg-footer-col a:hover { color: var(--mg-accent); }
.mg-footer-bottom {
  max-width: var(--mg-container);
  margin: var(--mg-space-2xl) auto 0;
  padding: var(--mg-space-lg) 24px 0;
  border-top: 1px solid var(--mg-border-dark);
  text-align: center;
  font-size: 0.8rem;
  color: var(--mg-text-inv-3);
}
.mg-footer-bottom a { color: var(--mg-text-inv-3); }
.mg-footer-bottom a:hover { color: var(--mg-accent); }

/* ============ 14. CTA 区域 ============ */
.mg-cta {
  position: relative;
  padding: var(--mg-space-3xl) 0;
  background: var(--mg-bg-dark);
  overflow: hidden;
}
.mg-cta-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  padding: 0 24px;
}
.mg-cta::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(31,139,124,0.15) 0%, transparent 70%);
  z-index: 0;
}

/* ============ 15. 动效 ============ */
@keyframes mgFadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes mgFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes mgPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.2); }
}
@keyframes mgScrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* Scroll Reveal —— 仅 JS 启用时隐藏（no-JS / JS 加载失败时默认可见，避免内容不可见） */
.mg-reveal {
  transition: opacity 0.8s var(--mg-ease), transform 0.8s var(--mg-ease);
}
.js .mg-reveal {
  opacity: 0;
  transform: translateY(40px);
}
.mg-reveal.visible,
.js .mg-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}
.mg-reveal-delay-1 { transition-delay: 0.1s; }
.mg-reveal-delay-2 { transition-delay: 0.2s; }
.mg-reveal-delay-3 { transition-delay: 0.3s; }

/* ============ 16. 实用工具 ============ */
.mg-text-center { text-align: center; }
.mg-text-right { text-align: right; }
.mg-mt-sm { margin-top: var(--mg-space-sm); }
.mg-mt-md { margin-top: var(--mg-space-md); }
.mg-mt-lg { margin-top: var(--mg-space-lg); }
.mg-mt-xl { margin-top: var(--mg-space-xl); }
.mg-mb-sm { margin-bottom: var(--mg-space-sm); }
.mg-mb-md { margin-bottom: var(--mg-space-md); }
.mg-mb-lg { margin-bottom: var(--mg-space-lg); }
.mg-mb-xl { margin-bottom: var(--mg-space-xl); }
.mg-hidden { display: none !important; }
.mg-flex { display: flex; }
.mg-flex-col { flex-direction: column; }
.mg-items-center { align-items: center; }
.mg-justify-center { justify-content: center; }
.mg-gap-sm { gap: var(--mg-space-sm); }
.mg-gap-md { gap: var(--mg-space-md); }
.mg-gap-lg { gap: var(--mg-space-lg); }

/* ============ 17. 跳转链接 ============ */
.mg-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--mg-primary);
  font-weight: 600;
  font-size: 0.95rem;
  transition: gap 0.2s;
}
.mg-link:hover { gap: 10px; }
.mg-link svg { width: 16px; height: 16px; }

/* ============ 18. 响应式 ============ */
@media (max-width: 768px) {
  .mg-section { padding: var(--mg-space-2xl) 0; }
  .mg-hero-content { padding: 0 20px 64px; }
  .mg-hero-actions { flex-direction: column; align-items: stretch; }
  .mg-hero-actions .mg-btn { width: 100%; }
}

/* ============ 19. reduced-motion ============ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .mg-reveal { opacity: 1; transform: none; }
}

/* ============ 20. skip-link ============ */
.mg-skip-link {
  position: absolute;
  top: -100px;
  left: 8px;
  z-index: 9999;
  padding: 10px 20px;
  background: var(--mg-primary);
  color: #fff;
  border-radius: var(--mg-radius-sm);
  font-weight: 600;
  transition: top 0.2s;
}
.mg-skip-link:focus { top: 8px; }

/* ============================================================
   v2.1 扩展组件 · 公共交互组件库
   ============================================================ */

/* ============ 21. 面包屑导航 ============ */
.mg-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--mg-text-3);
  padding: var(--mg-space-sm) 0;
  list-style: none;
  margin: 0;
}
.mg-breadcrumb-item { display: flex; align-items: center; gap: 8px; }
.mg-breadcrumb-item a {
  color: var(--mg-text-3);
  text-decoration: none;
  transition: color 0.2s;
}
.mg-breadcrumb-item a:hover { color: var(--mg-primary); }
.mg-breadcrumb-item[aria-current] { color: var(--mg-text-1); font-weight: 600; }
.mg-breadcrumb-sep { color: var(--mg-text-4); font-size: 0.7rem; }

/* ============ 22. 标签切换 Tabs ============ */
.mg-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 2px solid var(--mg-border);
  padding: 0;
  margin-bottom: var(--mg-space-md);
  flex-wrap: wrap;
}
.mg-tab {
  padding: 10px 20px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--mg-text-3);
  border: none;
  background: none;
  cursor: pointer;
  position: relative;
  transition: color 0.2s;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  border-radius: var(--mg-radius-sm) var(--mg-radius-sm) 0 0;
}
.mg-tab:hover { color: var(--mg-text-1); }
.mg-tab.active {
  color: var(--mg-primary);
  border-bottom-color: var(--mg-primary);
  font-weight: 600;
}
.mg-tab-panel { display: none; }
.mg-tab-panel.active { display: block; }

/* ============ 23. FAQ 手风琴 ============ */
.mg-faq-list { display: flex; flex-direction: column; gap: 12px; }
.mg-faq-item {
  border: 1px solid var(--mg-border);
  border-radius: var(--mg-radius-md);
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.mg-faq-item:hover { border-color: var(--mg-primary-light); }
.mg-faq-item.open { border-color: var(--mg-primary); box-shadow: 0 2px 12px rgba(31,139,124,0.08); }
.mg-faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--mg-text-1);
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-family: inherit;
  transition: background 0.15s;
}
.mg-faq-question:hover { background: var(--mg-cream); }
.mg-faq-icon {
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: transform 0.3s var(--mg-ease);
  color: var(--mg-primary);
  font-size: 1.2rem;
}
.mg-faq-item.open .mg-faq-icon { transform: rotate(45deg); }
.mg-faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s var(--mg-ease);
}
.mg-faq-item.open .mg-faq-answer { max-height: 500px; }
.mg-faq-answer-inner {
  padding: 0 20px 16px;
  font-size: 0.9rem;
  color: var(--mg-text-2);
  line-height: 1.7;
}

/* ============ 24. 浮动AI客服 ============ */
.mg-floating-chat {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--mg-primary);
  color: #fff;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(31,139,124,0.35);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s, box-shadow 0.2s;
}
.mg-floating-chat:hover { transform: scale(1.08); box-shadow: 0 6px 28px rgba(31,139,124,0.45); }
.mg-floating-chat svg { width: 24px; height: 24px; }
.mg-floating-chat::after {
  content: '';
  position: absolute;
  top: -4px; right: -4px;
  width: 14px; height: 14px;
  background: var(--mg-accent);
  border-radius: 50%;
  border: 2px solid #fff;
  animation: mg-pulse-dot 2s ease-in-out infinite;
}
@keyframes mg-pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

/* ============ 25. 搜索弹窗 ============ */
.mg-search-modal {
  position: fixed;
  inset: 0;
  background: rgba(10,15,13,0.6);
  backdrop-filter: blur(8px);
  z-index: 9500;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 15vh;
}
.mg-search-modal.open { display: flex; }
.mg-search-modal-content {
  width: 100%;
  max-width: 600px;
  background: #fff;
  border-radius: var(--mg-radius-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  overflow: hidden;
}
.mg-search-modal-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--mg-border);
}
.mg-search-modal-header svg { width: 20px; height: 20px; color: var(--mg-text-3); flex-shrink: 0; }
.mg-search-input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 1rem;
  font-family: inherit;
  background: none;
}
.mg-search-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--mg-text-3);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--mg-radius-sm);
  transition: background 0.15s, color 0.15s;
}
.mg-search-close:hover { background: var(--mg-cream); color: var(--mg-text-1); }
.mg-search-results {
  max-height: 400px;
  overflow-y: auto;
}
.mg-search-result-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  cursor: pointer;
  transition: background 0.15s;
  text-decoration: none;
  color: inherit;
}
.mg-search-result-item:hover { background: var(--mg-cream); }
.mg-search-result-title { font-size: 0.9rem; font-weight: 500; }
.mg-search-result-desc { font-size: 0.8rem; color: var(--mg-text-3); }

/* ============ 26. 分页 ============ */
.mg-pagination {
  display: flex;
  align-items: center;
  gap: 6px;
  justify-content: center;
  margin-top: var(--mg-space-lg);
}
.mg-page-btn {
  min-width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--mg-border);
  border-radius: var(--mg-radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--mg-text-2);
  cursor: pointer;
  background: #fff;
  transition: border-color 0.15s, color 0.15s;
  text-decoration: none;
}
.mg-page-btn:hover { border-color: var(--mg-primary); color: var(--mg-primary); }
.mg-page-btn.active { background: var(--mg-primary); color: #fff; border-color: var(--mg-primary); }
.mg-page-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.mg-page-btn:disabled:hover { border-color: var(--mg-border); color: var(--mg-text-2); }

/* ============ 27. 评分星级 ============ */
.mg-rating { display: inline-flex; align-items: center; gap: 2px; }
.mg-star {
  width: 16px; height: 16px;
  color: var(--mg-gold);
  fill: currentColor;
}
.mg-star-empty { color: var(--mg-border); }
.mg-rating-text { font-size: 0.8rem; color: var(--mg-text-3); margin-left: 4px; }

/* ============ 28. 标签/徽章 ============ */
.mg-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--mg-radius-full);
  letter-spacing: 0.02em;
}
.mg-badge-primary { background: rgba(31,139,124,0.12); color: var(--mg-primary); }
.mg-badge-accent { background: rgba(0,212,170,0.12); color: var(--mg-accent); }
.mg-badge-gold { background: rgba(212,168,75,0.12); color: var(--mg-gold); }
.mg-badge-gray { background: var(--mg-cream); color: var(--mg-text-3); }

/* ============ 29. 侧边目录 TOC ============ */
.mg-toc {
  position: sticky;
  top: 100px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  padding: var(--mg-space-sm) 0;
}
.mg-toc-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--mg-text-4);
  margin-bottom: var(--mg-space-sm);
  padding-left: 12px;
}
.mg-toc-list { list-style: none; padding: 0; margin: 0; }
.mg-toc-list li { margin-bottom: 2px; }
.mg-toc-list a {
  display: block;
  padding: 6px 12px;
  font-size: 0.85rem;
  color: var(--mg-text-3);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.15s, background 0.15s;
  border-radius: 0 var(--mg-radius-sm) var(--mg-radius-sm) 0;
}
.mg-toc-list a:hover { color: var(--mg-primary); background: var(--mg-cream); }
.mg-toc-list a.active {
  color: var(--mg-primary);
  border-left-color: var(--mg-primary);
  background: rgba(31,139,124,0.06);
  font-weight: 600;
}

/* ============ 30. 上下篇导航 ============ */
.mg-prev-next {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--mg-space-md);
  margin-top: var(--mg-space-xl);
  padding-top: var(--mg-space-lg);
  border-top: 1px solid var(--mg-border);
}
.mg-prev-next-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-decoration: none;
  color: inherit;
  padding: var(--mg-space-md);
  border: 1px solid var(--mg-border);
  border-radius: var(--mg-radius-md);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
}
.mg-prev-next-item:hover { border-color: var(--mg-primary); box-shadow: 0 4px 16px rgba(31,139,124,0.08); transform: translateY(-2px); }
.mg-prev-next-item.next { text-align: right; }
.mg-prev-next-label { font-size: 0.75rem; color: var(--mg-text-4); text-transform: uppercase; letter-spacing: 0.1em; }
.mg-prev-next-title { font-size: 0.95rem; font-weight: 600; color: var(--mg-text-1); }
@media (max-width: 768px) {
  .mg-prev-next { grid-template-columns: 1fr; }
}

/* ============ 31. 社交分享 ============ */
.mg-share {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.mg-share-label { font-size: 0.8rem; color: var(--mg-text-3); margin-right: 4px; }
.mg-share-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--mg-border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background: #fff;
  transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s;
  text-decoration: none;
}
.mg-share-btn:hover { border-color: var(--mg-primary); transform: translateY(-2px); box-shadow: 0 2px 8px rgba(0,0,0,0.1); }
.mg-share-btn svg { width: 16px; height: 16px; color: var(--mg-text-2); }
.mg-share-btn:hover svg { color: var(--mg-primary); }
.mg-share-copy {
  font-size: 0.8rem;
  color: var(--mg-text-3);
  padding: 6px 14px;
  border-radius: var(--mg-radius-full);
  border: 1px solid var(--mg-border);
  background: #fff;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.mg-share-copy:hover { border-color: var(--mg-primary); color: var(--mg-primary); }

/* ============ 32. 滚动进度条 ============ */
.mg-scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--mg-accent);
  z-index: 9999;
  width: 0;
  transition: width 0.05s linear;
}

/* ============ 33. 返回顶部 ============ */
.mg-back-to-top {
  position: fixed;
  bottom: 90px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--mg-border);
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.25s var(--mg-ease), transform 0.25s var(--mg-ease), visibility 0.25s var(--mg-ease);
  z-index: 8999;
}
.mg-back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.mg-back-to-top:hover { border-color: var(--mg-primary); box-shadow: 0 4px 16px rgba(31,139,124,0.15); }
.mg-back-to-top svg { width: 20px; height: 20px; color: var(--mg-text-2); }

/* ============ 34. Toast 提示 ============ */
.mg-toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--mg-black);
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--mg-radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  z-index: 9600;
  opacity: 0;
  transition: opacity 0.3s var(--mg-ease), transform 0.3s var(--mg-ease);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
.mg-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ============ 35. Cookie 合规横幅 ============ */
.mg-cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--mg-white);
  border-top: 1px solid var(--mg-border);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
  z-index: 9700;
  padding: 16px 24px;
  display: none;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.mg-cookie-banner.show { display: flex; }
.mg-cookie-text { flex: 1; min-width: 300px; font-size: 0.85rem; color: var(--mg-text-2); line-height: 1.5; }
.mg-cookie-text a { color: var(--mg-primary); text-decoration: underline; }
.mg-cookie-actions { display: flex; gap: 8px; flex-shrink: 0; }

/* ============ 36b. 数据大屏导航高亮（来自 dashboard-nav.css） ============ */
.nav-dashboard-link {
  position: relative;
  display: inline-flex !important;
  align-items: center;
  padding: 6px 12px !important;
  background: linear-gradient(135deg, rgba(31,139,124,0.12), rgba(31,139,124,0.05));
  border: 1px solid rgba(31,139,124,0.25);
  border-radius: 999px !important;
  color: #1F8B7C !important;
  font-weight: 600 !important;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s !important;
}
.nav-dashboard-link:hover {
  background: linear-gradient(135deg, rgba(31,139,124,0.2), rgba(31,139,124,0.1)) !important;
  box-shadow: 0 2px 12px rgba(31,139,124,0.2);
  transform: translateY(-1px);
  color: #1F8B7C !important;
}
.nav-dashboard-link.active {
  background: linear-gradient(135deg, rgba(31,139,124,0.25), rgba(31,139,124,0.15)) !important;
  color: #167063 !important;
}
.nav-dashboard-link svg { transition: transform 0.3s ease; }
.nav-dashboard-link:hover svg { transform: scale(1.1); }
@keyframes dashboardPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(31,139,124,0.3); }
  50% { box-shadow: 0 0 0 6px rgba(31,139,124,0); }
}
.nav-dashboard-link::after {
  content: '';
  position: absolute;
  top: 8px;
  right: 8px;
  width: 6px;
  height: 6px;
  background: #10B981;
  border-radius: 50%;
  animation: dashboardPulse 2s ease-in-out infinite;
}
@media (max-width: 768px) {
  .nav-dashboard-link { padding: 8px 16px !important; margin: 4px 0 !important; justify-content: center; }
  .nav-dashboard-link::after { top: auto; right: auto; position: relative; margin-left: 8px; }
}

/* ============ 36. 商品详情页样式 (products.js 渲染区域) ============ */
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
@media (max-width: 900px) {
  .product-detail-grid { grid-template-columns: 1fr; gap: 32px; }
}
.product-detail-image {
  position: relative;
  border-radius: var(--mg-radius-lg);
  overflow: hidden;
  background: var(--mg-cream);
  aspect-ratio: 4/3;
}
.product-detail-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.product-detail-image-stats {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.product-detail-image-stats span {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  padding: 6px 14px;
  border-radius: var(--mg-radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--mg-text-1);
}
.product-badge-real {
  position: absolute;
  background: var(--mg-primary);
  color: #fff;
  padding: 6px 14px;
  border-radius: var(--mg-radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  z-index: 2;
  letter-spacing: 0.02em;
}
.product-discount-badge {
  position: absolute;
  background: #E74C3C;
  color: #fff;
  padding: 6px 14px;
  border-radius: var(--mg-radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  z-index: 2;
}
.product-detail-info .product-detail-category {
  font-family: var(--mg-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mg-primary);
  font-weight: 600;
  margin-bottom: 8px;
}
.product-detail-info .product-detail-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--mg-text-1);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
}
.product-detail-rating {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--mg-text-3);
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.product-detail-rating .stars { color: #F5A623; letter-spacing: 1px; }
.product-detail-rating .separator { color: var(--mg-text-4); }
.product-detail-rating .review-count { color: var(--mg-text-3); }
.product-detail-price-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--mg-border);
}
.product-detail-price {
  font-size: 2rem;
  font-weight: 800;
  color: var(--mg-primary);
  letter-spacing: -0.02em;
  line-height: 1;
}
.product-detail-original-price {
  font-size: 1rem;
  color: var(--mg-text-4);
  text-decoration: line-through;
  margin-top: 4px;
}
.product-detail-stock {
  font-size: 0.82rem;
  color: #27AE60;
  font-weight: 600;
  background: rgba(39,174,96,0.08);
  padding: 6px 14px;
  border-radius: var(--mg-radius-full);
  white-space: nowrap;
}
.product-detail-desc {
  font-size: 0.95rem;
  color: var(--mg-text-2);
  line-height: 1.75;
  margin-bottom: 20px;
}
.product-detail-quick {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}
@media (max-width: 500px) { .product-detail-quick { grid-template-columns: 1fr; } }
.quick-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px;
  background: var(--mg-cream);
  border-radius: var(--mg-radius-md);
}
.quick-icon { font-size: 1.2rem; flex-shrink: 0; margin-top: 2px; }
.quick-label { font-size: 0.72rem; color: var(--mg-text-3); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 2px; }
.quick-value { font-size: 0.85rem; font-weight: 600; color: var(--mg-text-1); }
.product-detail-features,
.product-detail-tags,
.product-detail-scenes {
  margin-bottom: 16px;
}
.product-detail-features h3,
.product-detail-tags h3,
.product-detail-scenes h3 {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--mg-text-1);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}
.product-detail-features ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}
@media (max-width: 500px) { .product-detail-features ul { grid-template-columns: 1fr; } }
.product-detail-features li {
  font-size: 0.85rem;
  color: var(--mg-text-2);
  padding: 4px 0;
}
.tags-row, .scenes-row { display: flex; gap: 6px; flex-wrap: wrap; }
.tags-row span, .scenes-row span {
  font-size: 0.75rem;
  padding: 4px 12px;
  background: var(--mg-cream);
  border-radius: var(--mg-radius-full);
  color: var(--mg-text-2);
  font-weight: 500;
}
.scenes-row span { background: rgba(31,139,124,0.08); color: var(--mg-primary); }
.product-detail-actions {
  display: flex;
  gap: 10px;
  margin: 24px 0 20px;
  flex-wrap: wrap;
}
.product-detail-buy {
  flex: 1;
  min-width: 160px;
  padding: 14px 24px;
  background: var(--mg-primary);
  color: #fff;
  border: none;
  border-radius: var(--mg-radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}
.product-detail-buy:hover { background: var(--mg-primary-light); transform: translateY(-1px); box-shadow: 0 6px 16px rgba(31,139,124,0.3); }
.product-detail-consult {
  padding: 14px 20px;
  background: transparent;
  color: var(--mg-primary);
  border: 1.5px solid var(--mg-primary);
  border-radius: var(--mg-radius-full);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: background 0.2s;
  white-space: nowrap;
}
.product-detail-consult:hover { background: rgba(31,139,124,0.06); }
.product-detail-fav, .product-detail-cmp {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1.5px solid var(--mg-border);
  background: var(--mg-white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--mg-text-3);
  transition: border-color 0.2s, color 0.2s;
  font-size: 0.72rem;
  flex-direction: column;
  gap: 2px;
}
.product-detail-fav:hover, .product-detail-cmp:hover { border-color: var(--mg-primary); color: var(--mg-primary); }
.product-detail-fav.active { color: #E74C3C; border-color: #E74C3C; background: rgba(231,76,60,0.06); }
.product-detail-cmp.active { color: var(--mg-primary); border-color: var(--mg-primary); background: rgba(31,139,124,0.06); }
.product-detail-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--mg-border);
}
@media (max-width: 500px) { .product-detail-meta { grid-template-columns: 1fr; } }
.meta-item { display: flex; justify-content: space-between; font-size: 0.82rem; padding: 4px 0; }
.meta-label { color: var(--mg-text-3); }
.meta-value { color: var(--mg-text-1); font-weight: 500; }

/* 商品详情规格/支付/定价/交付等板块 */
.product-specs-section,
.product-payment-section,
.product-pricing-section,
.product-delivery-section,
.product-settlement-section {
  margin-top: 48px;
}
.product-specs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border: 1px solid var(--mg-border);
  border-radius: var(--mg-radius-md);
  overflow: hidden;
  margin-top: 20px;
}
@media (max-width: 600px) { .product-specs-grid { grid-template-columns: 1fr; } }
.spec-row {
  display: flex;
  padding: 14px 20px;
  border-bottom: 1px solid var(--mg-border);
  font-size: 0.88rem;
}
.spec-row:nth-child(odd) { background: var(--mg-cream); }
.spec-row:last-child { border-bottom: none; }
.spec-label { color: var(--mg-text-3); width: 120px; flex-shrink: 0; font-weight: 500; }
.spec-value { color: var(--mg-text-1); font-weight: 600; }
.payment-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 20px;
}
@media (max-width: 700px) { .payment-grid { grid-template-columns: repeat(2, 1fr); } }
.payment-card {
  padding: 20px;
  border: 1px solid var(--mg-border);
  border-radius: var(--mg-radius-md);
  text-align: center;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.payment-card:hover { border-color: var(--mg-primary); box-shadow: 0 4px 12px rgba(31,139,124,0.1); }
.payment-card h4 { font-size: 0.95rem; font-weight: 600; color: var(--mg-text-1); margin: 0 0 8px; }
.payment-card p { font-size: 0.8rem; color: var(--mg-text-3); margin: 0; line-height: 1.5; }
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 20px;
}
@media (max-width: 900px) { .pricing-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .pricing-grid { grid-template-columns: 1fr; } }
.pricing-card {
  padding: 28px 20px;
  border: 1px solid var(--mg-border);
  border-radius: var(--mg-radius-lg);
  position: relative;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.pricing-card.featured { border-color: var(--mg-primary); background: linear-gradient(135deg, rgba(31,139,124,0.04), rgba(31,139,124,0.01)); }
.pricing-card h4 { font-size: 1.05rem; font-weight: 700; color: var(--mg-text-1); margin: 0 0 4px; }
.pricing-card .pricing-price { font-size: 1.8rem; font-weight: 800; color: var(--mg-primary); margin: 12px 0; letter-spacing: -0.02em; }
.pricing-card ul { list-style: none; padding: 0; margin: 16px 0 0; }
.pricing-card li { font-size: 0.82rem; color: var(--mg-text-2); padding: 5px 0; }
.delivery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 20px; }
@media (max-width: 700px) { .delivery-grid { grid-template-columns: 1fr; } }
.delivery-card { padding: 24px; border: 1px solid var(--mg-border); border-radius: var(--mg-radius-md); }
.delivery-card h4 { font-size: 0.95rem; font-weight: 600; color: var(--mg-text-1); margin: 0 0 8px; }
.delivery-card p { font-size: 0.82rem; color: var(--mg-text-3); margin: 0 0 12px; line-height: 1.6; }
.delivery-card ul { list-style: none; padding: 0; margin: 0; }
.delivery-card li { font-size: 0.82rem; color: var(--mg-text-2); padding: 4px 0; padding-left: 16px; position: relative; }
.delivery-card li::before { content: '✓'; position: absolute; left: 0; color: var(--mg-primary); font-weight: 700; }
.settlement-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 20px; }
@media (max-width: 700px) { .settlement-grid { grid-template-columns: repeat(2, 1fr); } }
.settlement-card { padding: 20px; border: 1px solid var(--mg-border); border-radius: var(--mg-radius-md); }

/* ========== 卡片购买入口（商品卡 / 软件卡共用） ========== */
.mg-card-cover { display: block; overflow: hidden; }
.mg-card-shop {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: var(--mg-space-md, 16px); padding-top: 14px;
  border-top: 1px solid var(--mg-border);
}
.mg-card-price {
  font-family: var(--mg-font-mono); font-size: 1.15rem; font-weight: 800;
  color: var(--mg-primary); letter-spacing: -0.01em;
}
.mg-card-price small { font-size: 0.72rem; color: var(--mg-text-3); font-weight: 500; }
.mg-card-buy {
  display: inline-flex; align-items: center;
  padding: 8px 18px; border-radius: var(--mg-radius-full);
  background: var(--mg-primary); color: #fff !important;
  font-size: 0.82rem; font-weight: 700; text-decoration: none;
  transition: background 0.25s, transform 0.25s var(--mg-ease), box-shadow 0.25s;
}
.mg-card-buy:hover,
.mg-software-card-buy:hover { background: var(--mg-primary-dark); transform: translateY(-1px); box-shadow: 0 6px 16px rgba(31,139,124,0.3); }
.mg-software-card-actions { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: auto; }
.mg-software-card-buy {
  display: inline-flex; align-items: center;
  padding: 8px 18px; border-radius: var(--mg-radius-full);
  background: var(--mg-primary); color: #fff !important;
  font-size: 0.82rem; font-weight: 700; text-decoration: none;
  transition: background 0.25s, transform 0.25s var(--mg-ease), box-shadow 0.25s;
}
.settlement-card h4 { font-size: 0.9rem; font-weight: 600; color: var(--mg-text-1); margin: 0 0 8px; }
.settlement-card p { font-size: 0.8rem; color: var(--mg-text-3); margin: 0; line-height: 1.6; }

/* ============ 36. 分割线 ============ */
.mg-divider {
  height: 1px;
  background: var(--mg-border);
  margin: var(--mg-space-lg) 0;
  border: none;
}
.mg-divider-thick { height: 2px; background: var(--mg-text-1); width: 40px; margin: var(--mg-space-sm) 0; }

/* ============ 37. 键值规格表 ============ */
.mg-spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
.mg-spec-table tr { border-bottom: 1px solid var(--mg-border); }
.mg-spec-table tr:last-child { border-bottom: none; }
.mg-spec-table th {
  text-align: left;
  padding: 12px 16px;
  font-weight: 500;
  color: var(--mg-text-3);
  width: 40%;
  background: var(--mg-cream);
}
.mg-spec-table td {
  padding: 12px 16px;
  color: var(--mg-text-1);
  font-weight: 500;
}

/* ============ 38. 加载骨架屏 ============ */
.mg-skeleton {
  background: linear-gradient(90deg, var(--mg-cream) 25%, var(--mg-paper) 50%, var(--mg-cream) 75%);
  background-size: 200% 100%;
  animation: mg-skeleton-loading 1.5s infinite;
  border-radius: var(--mg-radius-sm);
}
@keyframes mg-skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ============ 39. 响应式补充 ============ */
@media (max-width: 768px) {
  .mg-toc { display: none; }
  .mg-spec-table th { width: 35%; }
  .mg-cookie-banner { padding: 8px 14px; gap: 6px; }
  .mg-cookie-text { min-width: 100%; font-size: 0.78rem; line-height: 1.4; }
  .mg-cookie-actions { width: 100%; justify-content: flex-end; gap: 6px; }
  .mg-cookie-actions .mg-btn { padding: 6px 12px; font-size: 0.8rem; }
  .mg-back-to-top { bottom: 80px; right: 16px; }
  .mg-floating-chat { bottom: 16px; right: 16px; }
}


/* ============================================================
   v3.8 设计系统补充组件（原 design-system.css 独有组件）
   以下组件在 magazine.css 主干中缺失，追加以保证全站类名完整。
   ============================================================ */

/* ---------- 按钮：ghost（无填充描边弱化版） ---------- */
.mg-btn-ghost {
  background: transparent;
  color: var(--mg-text-1);
  border-color: var(--mg-border);
}
.mg-btn-ghost:hover { border-color: var(--mg-primary); color: var(--mg-primary); }

/* ---------- 表单：输入框 / 标签 / 复选框 ---------- */
.mg-field {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--mg-border);
  border-radius: var(--mg-radius-sm);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--mg-text-1);
  background: var(--mg-white);
  transition: border-color var(--mg-duration), box-shadow var(--mg-duration);
}
.mg-field:focus {
  outline: none;
  border-color: var(--mg-primary);
  box-shadow: 0 0 0 3px rgba(31,139,124,0.12);
}
.mg-field-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--mg-text-2);
  margin-bottom: 6px;
}
.mg-checkbox {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--mg-text-2);
  cursor: pointer;
}
.mg-checkbox input { accent-color: var(--mg-primary); width: 16px; height: 16px; }

/* ---------- 卡片：描述文本 ---------- */
.mg-card-desc { font-size: 0.88rem; color: var(--mg-text-3); line-height: 1.6; }

/* ---------- 徽章：语义状态色（magazine 仅有品牌/强调/金色/灰） ---------- */
.mg-badge-success { background: rgba(16,185,129,0.1); color: #10B981; }
.mg-badge-danger { background: rgba(239,68,68,0.1); color: #EF4444; }
.mg-badge-info { background: rgba(59,130,246,0.1); color: #3B82F6; }
.mg-badge-warn { background: rgba(251,191,36,0.15); color: #D97706; }

/* ---------- 数据表格 ---------- */
.mg-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.mg-table th {
  text-align: left;
  padding: 12px 16px;
  background: var(--mg-bg-light);
  color: var(--mg-text-2);
  font-weight: 600;
  border-bottom: 2px solid var(--mg-border);
}
.mg-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--mg-border);
  color: var(--mg-text-1);
}
.mg-table tr:hover td { background: var(--mg-bg-accent); }

/* ---------- 代码块 ---------- */
.mg-code {
  background: var(--mg-bg-dark);
  color: #E2E8F0;
  padding: 16px;
  border-radius: var(--mg-radius-sm);
  font-family: var(--mg-font-mono);
  font-size: 0.82rem;
  line-height: 1.6;
  overflow-x: auto;
}
.mg-code .kw { color: #5CDBD3; }
.mg-code .str { color: #FBBF24; }
.mg-code .com { color: #64748B; font-style: italic; }

/* ---------- 工具类：accent 文本（magazine 未定义） ---------- */
.mg-text-accent { color: var(--mg-primary); }

/* ============================================================
   转化组件（conversion-kit.js 注入）样式
   补充：sticky 转化条 / 退出意图弹窗 / 社交证明 toast
   说明：此前这些组件无任何样式定义，导致在视口边界处文本被裁切。
   ============================================================ */

/* ---------- 通用：屏幕阅读器辅助（全站统一） ---------- */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); clip-path: inset(50%); white-space: nowrap; border: 0; }

/* ---------- 表单项校验态 ---------- */
.field-error { font-size: 0.78rem; color: #e5484d; margin-top: 4px; }
.eim-form input.invalid, .contact-form input.invalid, form[id="contactForm"] input.invalid { border-color: #e5484d !important; box-shadow: 0 0 0 3px rgba(229,72,77,0.12) !important; }

/* ---------- Sticky 转化条（#stickyConversionBar / .scb-*） ---------- */
#stickyConversionBar { display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 8900; background: var(--mg-white); border-top: 1px solid var(--mg-border); box-shadow: 0 -8px 24px rgba(15,20,25,0.10); }
#stickyConversionBar.visible { display: block; }
#stickyConversionBar.dismissed { display: none; }
.scb-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; max-width: var(--mg-container); margin: 0 auto; padding: 12px 24px; }
.scb-info { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.scb-title { font-size: 0.95rem; font-weight: 700; color: var(--mg-text-1); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.scb-sub { font-size: 0.78rem; color: var(--mg-text-3); }
.scb-right { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.scb-price { font-size: 1rem; font-weight: 800; color: var(--mg-primary); }
.scb-btn { padding: 10px 20px; background: var(--mg-primary); color: #fff; border: 0; border-radius: var(--mg-radius-full); font-size: 0.9rem; font-weight: 600; font-family: inherit; cursor: pointer; transition: background 0.2s, transform 0.2s; }
.scb-btn:hover { background: var(--mg-primary-light); transform: translateY(-1px); }
.scb-chat { width: 38px; height: 38px; border-radius: 50%; background: var(--mg-bg-accent); color: var(--mg-primary); border: 1px solid var(--mg-border-accent); display: flex; align-items: center; justify-content: center; cursor: pointer; flex-shrink: 0; transition: background 0.2s, color 0.2s; }
.scb-chat:hover { background: var(--mg-primary); color: #fff; }
.scb-close { width: 30px; height: 30px; border-radius: 50%; background: transparent; border: 0; color: var(--mg-text-3); cursor: pointer; font-size: 0.9rem; display: flex; align-items: center; justify-content: center; transition: color 0.2s, background 0.2s; }
.scb-close:hover { color: var(--mg-text-1); background: var(--mg-cream); }
@media (max-width: 768px) { .scb-title { font-size: 0.85rem; } .scb-sub { display: none; } .scb-price { font-size: 0.9rem; } .scb-btn { padding: 8px 14px; font-size: 0.82rem; } .scb-chat { width: 34px; height: 34px; } }

/* ---------- 退出意图弹窗（#exitIntentModal / .eim-*） ---------- */
#exitIntentModal { display: none; position: fixed; inset: 0; z-index: 9950; }
#exitIntentModal.visible { display: block; }
.eim-backdrop { position: fixed; inset: 0; background: rgba(10,15,13,0.55); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }
.eim-panel { position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 100%; max-width: 520px; max-height: calc(100vh - 48px); overflow-y: auto; background: var(--mg-white); border-radius: var(--mg-radius-lg); padding: 40px 36px; box-shadow: var(--mg-shadow-lg); }
.eim-close { position: absolute; top: 16px; right: 16px; width: 32px; height: 32px; border-radius: 50%; background: var(--mg-cream); border: 0; color: var(--mg-text-3); cursor: pointer; font-size: 1rem; display: flex; align-items: center; justify-content: center; transition: background 0.2s, color 0.2s; }
.eim-close:hover { background: var(--mg-bg-accent); color: var(--mg-primary); }
.eim-icon { width: 52px; height: 52px; border-radius: var(--mg-radius-md); background: var(--mg-bg-accent); color: var(--mg-primary); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; }
.eim-panel h3 { font-size: 1.4rem; font-weight: 800; color: var(--mg-text-1); line-height: 1.35; margin-bottom: 12px; }
.eim-panel h3 strong { color: var(--mg-primary); }
.eim-panel > p { font-size: 0.92rem; color: var(--mg-text-2); line-height: 1.6; margin-bottom: 16px; }
.eim-panel > p strong { color: var(--mg-primary); }
.eim-benefits { list-style: none; padding: 0; margin: 0 0 20px; display: flex; flex-direction: column; gap: 8px; }
.eim-benefits li { font-size: 0.88rem; color: var(--mg-text-2); padding-left: 20px; position: relative; line-height: 1.5; }
.eim-benefits li::before { content: '✓'; position: absolute; left: 0; top: 0; color: var(--mg-primary); font-weight: 700; }
.eim-form { display: flex; flex-direction: column; gap: 12px; }
.eim-form input { width: 100%; padding: 12px 16px; border: 1px solid var(--mg-border); border-radius: var(--mg-radius-sm); font-size: 0.92rem; font-family: inherit; outline: 0; background: var(--mg-white); color: var(--mg-text-1); transition: border-color 0.2s, box-shadow 0.2s; }
.eim-form input:focus { border-color: var(--mg-primary); box-shadow: 0 0 0 3px rgba(31,139,124,0.12); }
.eim-submit { margin-top: 4px; padding: 14px; background: linear-gradient(135deg, var(--mg-primary), var(--mg-primary-dark)); color: #fff; border: 0; border-radius: var(--mg-radius-full); font-size: 1rem; font-weight: 700; font-family: inherit; cursor: pointer; transition: transform 0.2s, box-shadow 0.2s; }
.eim-submit:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(31,139,124,0.35); }
.eim-submit:disabled { opacity: 0.7; cursor: default; }
.eim-trust { display: flex; gap: 20px; justify-content: center; margin-top: 16px; }
.eim-trust span { display: inline-flex; align-items: center; gap: 6px; font-size: 0.78rem; color: var(--mg-text-3); }
.eim-trust span svg { color: var(--mg-primary); }
@media (max-width: 560px) { .eim-panel { max-width: calc(100vw - 32px); padding: 32px 24px; } }

/* ---------- 社交证明 toast（#socialProofToast / .spt-*） ---------- */
#socialProofToast { position: fixed; left: 24px; bottom: 88px; z-index: 8950; max-width: 340px; background: var(--mg-white); border: 1px solid var(--mg-border); border-radius: var(--mg-radius-md); box-shadow: var(--mg-shadow-lg); padding: 14px 16px; display: none; }
#socialProofToast.visible { display: flex; align-items: center; gap: 12px; }
.spt-icon { width: 34px; height: 34px; border-radius: 50%; background: var(--mg-bg-accent); color: var(--mg-primary); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.spt-content { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.spt-who { font-size: 0.82rem; font-weight: 700; color: var(--mg-text-1); }
.spt-what { font-size: 0.78rem; color: var(--mg-text-2); }
.spt-time { font-size: 0.7rem; color: var(--mg-text-4); }
.spt-close { position: absolute; top: 8px; right: 8px; width: 22px; height: 22px; border-radius: 50%; background: transparent; border: 0; color: var(--mg-text-4); cursor: pointer; font-size: 0.8rem; display: flex; align-items: center; justify-content: center; transition: color 0.2s, background 0.2s; }
.spt-close:hover { color: var(--mg-text-1); background: var(--mg-cream); }
@media (max-width: 560px) { #socialProofToast { left: 16px; right: 16px; bottom: 88px; max-width: none; } }

/* ---------- 滚动进度条（#scrollProgressBar） ---------- */
#scrollProgressBar {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--mg-primary), var(--mg-accent));
  z-index: 9990;
  pointer-events: none;
  transition: width 0.1s linear;
}

/* ---------- 返回顶部（#backToTop） ---------- */
#backToTop {
  position: fixed;
  bottom: 88px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--mg-white);
  color: var(--mg-primary);
  border: 1px solid var(--mg-border);
  box-shadow: var(--mg-shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.25s var(--mg-ease), transform 0.25s var(--mg-ease), visibility 0.25s, background 0.2s, color 0.2s;
  z-index: 8920;
}
#backToTop:hover { background: var(--mg-primary); color: #fff; border-color: var(--mg-primary); }
#backToTop.visible { opacity: 1; visibility: visible; transform: translateY(0); }
#backToTop svg { width: 20px; height: 20px; }
@media (max-width: 768px) { #backToTop { bottom: 84px; right: 16px; width: 40px; height: 40px; } }

/* ---------- 咨询购买覆盖层（#pdCheckoutOverlay / .pd-checkout-*） ---------- */
.pd-checkout-overlay {
  position: fixed;
  inset: 0;
  z-index: 9900;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10,15,13,0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s var(--mg-ease), visibility 0.25s;
}
.pd-checkout-overlay.show { opacity: 1; visibility: visible; }
.pd-checkout-modal {
  width: 100%;
  max-width: 520px;
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  background: var(--mg-white);
  border-radius: var(--mg-radius-lg);
  box-shadow: var(--mg-shadow-lg);
  transform: translateY(16px);
  transition: transform 0.25s var(--mg-ease);
}
.pd-checkout-overlay.show .pd-checkout-modal { transform: translateY(0); }
.pd-checkout-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--mg-border);
}
.pd-checkout-header h3 { font-size: 1.15rem; font-weight: 700; color: var(--mg-text-1); }
.pd-checkout-close {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--mg-cream);
  border: 0;
  color: var(--mg-text-3);
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, color 0.2s;
}
.pd-checkout-close:hover { background: var(--mg-bg-accent); color: var(--mg-primary); }
.pd-checkout-body { padding: 20px 24px 24px; }
.pd-checkout-product {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: var(--mg-bg-light);
  border-radius: var(--mg-radius-md);
  margin-bottom: 20px;
}
.pd-checkout-product img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: var(--mg-radius-sm);
  flex-shrink: 0;
}
.pd-checkout-product-info { min-width: 0; }
.pd-checkout-product-info h4 { font-size: 1rem; font-weight: 600; color: var(--mg-text-1); margin-bottom: 4px; }
.pd-cp-price { font-size: 1.1rem; font-weight: 800; color: var(--mg-primary); }
.pd-cp-tag { font-size: 0.78rem; color: var(--mg-text-3); margin-top: 2px; }
.pd-checkout-section-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--mg-text-2);
  margin: 0 0 10px;
}
.pd-checkout-options { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-bottom: 18px; }
.pd-checkout-option {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 14px;
  border: 1.5px solid var(--mg-border);
  border-radius: var(--mg-radius-sm);
  background: var(--mg-white);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}
.pd-checkout-option:hover { border-color: var(--mg-border-accent); }
.pd-checkout-option.selected {
  border-color: var(--mg-primary);
  background: var(--mg-bg-accent);
  box-shadow: 0 0 0 1px var(--mg-primary);
}
.pd-co-name { font-size: 0.9rem; font-weight: 600; color: var(--mg-text-1); }
.pd-co-desc { font-size: 0.75rem; color: var(--mg-text-3); }
.pd-checkout-summary {
  padding: 16px;
  background: var(--mg-bg-light);
  border-radius: var(--mg-radius-sm);
  margin-bottom: 16px;
}
.pd-checkout-summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 0.88rem;
  color: var(--mg-text-2);
  padding: 5px 0;
}
.pd-checkout-summary-row span:last-child { text-align: right; }
.pd-checkout-summary-row.total {
  border-top: 1px solid var(--mg-border);
  margin-top: 6px;
  padding-top: 12px;
  font-weight: 700;
  color: var(--mg-text-1);
}
.pd-cs-amount { color: var(--mg-primary); font-weight: 800; }
.pd-checkout-btn {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--mg-primary), var(--mg-primary-dark));
  color: #fff;
  border: 0;
  border-radius: var(--mg-radius-full);
  font-size: 1rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}
.pd-checkout-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(31,139,124,0.35); }
.pd-checkout-note { font-size: 0.78rem; color: var(--mg-text-3); text-align: center; margin-top: 10px; }
@media (max-width: 560px) {
  .pd-checkout-options { grid-template-columns: 1fr; }
  .pd-checkout-body { padding: 16px; }
  .pd-checkout-header { padding: 16px; }
}

/* ---------- 表单校验组件（interaction-upgrade.js 注入） ---------- */
.sh-field-feedback {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 5px;
  font-size: 0.78rem;
  line-height: 1.4;
  min-height: 18px;
}
.sh-field-feedback.sh-field-ok { color: var(--mg-primary); }
.sh-field-feedback.sh-field-err { color: #e5484d; }
.field-invalid { border-color: #e5484d !important; box-shadow: 0 0 0 3px rgba(229,72,77,0.12) !important; }
.field-valid { border-color: var(--mg-primary) !important; }
.sh-field-bubble {
  position: absolute;
  z-index: 9890;
  max-width: 280px;
  padding: 8px 12px;
  background: var(--mg-bg-darker);
  color: var(--mg-text-inv);
  font-size: 0.78rem;
  line-height: 1.5;
  border-radius: var(--mg-radius-sm);
  box-shadow: var(--mg-shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity 0.2s var(--mg-ease), transform 0.2s var(--mg-ease), visibility 0.2s;
  pointer-events: none;
}
.sh-field-bubble::before {
  content: '';
  position: absolute;
  top: -5px; left: 16px;
  width: 10px; height: 10px;
  background: var(--mg-bg-darker);
  transform: rotate(45deg);
}
.sh-field-bubble-show { opacity: 1; visibility: visible; transform: translateY(0); }

/* ---------- 顶部搜索建议（interaction-upgrade.js 注入） ---------- */
.sh-search-suggest {
  position: absolute;
  z-index: 9895;
  background: var(--mg-white);
  border: 1px solid var(--mg-border);
  border-radius: var(--mg-radius-md);
  box-shadow: var(--mg-shadow-lg);
  overflow: hidden;
  max-height: 320px;
  overflow-y: auto;
}
.sh-search-suggest-hidden { display: none; }
.sh-suggest-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  font-size: 0.88rem;
  color: var(--mg-text-1);
  cursor: pointer;
  transition: background 0.15s;
}
.sh-suggest-item:hover, .sh-suggest-item.is-active { background: var(--mg-bg-accent); }
.sh-suggest-text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sh-suggest-type {
  margin-left: auto;
  flex-shrink: 0;
  font-size: 0.7rem;
  color: var(--mg-text-4);
  background: var(--mg-cream);
  border-radius: var(--mg-radius-full);
  padding: 1px 8px;
}
.sh-suggest-mark { background: rgba(212,168,75,0.35); color: inherit; border-radius: 2px; padding: 0 1px; }
.sh-suggest-empty { padding: 14px; font-size: 0.82rem; color: var(--mg-text-3); }

/* ---------- 导航占位（interaction-upgrade.js 注入） ---------- */
.sh-nav-spacer { transition: height 0.3s var(--mg-ease); }

/* ---------- 卡片倾斜光效（interaction-upgrade.js 注入） ---------- */
.tilt-shine {
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255,255,255,0) 40%, rgba(255,255,255,0.35) 50%, rgba(255,255,255,0) 60%);
  opacity: 0;
  transition: opacity 0.3s var(--mg-ease);
}

/* ---------- 跨页同步组件（cross-page-sync.js 注入） ---------- */
.aie-detail-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 8px;
  padding: 6px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--mg-primary);
  background: var(--mg-bg-accent);
  border: 1px solid var(--mg-border-accent);
  border-radius: var(--mg-radius-full);
  cursor: pointer;
  transition: background 0.2s, color 0.2s, transform 0.2s;
}
.aie-detail-btn:hover { background: var(--mg-primary); color: #fff; transform: translateY(-1px); }
.pcv-export-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--mg-gold);
  background: rgba(212,168,75,0.10);
  border: 1px solid rgba(212,168,75,0.35);
  border-radius: var(--mg-radius-full);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.pcv-export-btn:hover { background: var(--mg-gold); color: #fff; }
.cross-page-banner {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 9960;
  background: var(--mg-bg-darker);
  color: var(--mg-text-inv);
  transform: translateY(-100%);
  transition: transform 0.3s var(--mg-ease);
}
.cross-page-banner.show { transform: translateY(0); }
.cpb-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  max-width: var(--mg-container-wide);
  margin: 0 auto;
  padding: 10px 24px;
  font-size: 0.85rem;
}
.cpb-text { color: var(--mg-text-inv-2); }
.cpb-back {
  color: var(--mg-accent);
  font-weight: 600;
  white-space: nowrap;
}
.cpb-back:hover { text-decoration: underline; }
.cpb-close {
  margin-left: auto;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: rgba(255,255,255,0.10);
  border: 0;
  color: var(--mg-text-inv-3);
  cursor: pointer;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, color 0.2s;
}
.cpb-close:hover { background: rgba(255,255,255,0.2); color: var(--mg-text-inv); }
@media (max-width: 640px) {
  .cpb-inner { flex-wrap: wrap; justify-content: flex-start; gap: 8px; padding: 8px 16px; }
  .cpb-close { margin-left: auto; }
}

/* ---------- 全站 UI 增强（ui-upgrade.js 注入） ---------- */
.nav-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--mg-radius-sm);
  color: var(--mg-text-2);
  background: transparent;
  border: 0;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.nav-icon-btn:hover { background: var(--mg-bg-accent); color: var(--mg-primary); }
/* 语言切换按钮：对比度强化 + 地球仪图标 + 安全内边距 */
.sh-lang-btn { width: auto; padding: 0 12px; gap: 5px; font-size: 0.9rem; font-weight: 600; }
.sh-lang-btn .sh-lang-icon { width: 16px; height: 16px; flex-shrink: 0; }
.sh-lang-btn .sh-lang-text { letter-spacing: 0.02em; }
/* 透明/深色导航上的图标按钮反白（桌面端同样生效，原仅 900px 以下生效导致对比度不足） */
.mg-nav-transparent .nav-icon-btn,
.mg-nav-dark .nav-icon-btn { color: var(--mg-text-inv-2); }
.mg-nav-transparent .nav-icon-btn:hover,
.mg-nav-dark .nav-icon-btn:hover { color: var(--mg-text-inv); background: rgba(255,255,255,0.08); }
.mg-nav-transparent .sh-lang-btn,
.mg-nav-dark .sh-lang-btn { color: var(--mg-text-inv); }
.mg-nav-transparent .sh-lang-btn:hover,
.mg-nav-dark .sh-lang-btn:hover { color: var(--mg-accent); background: rgba(255,255,255,0.08); }
/* 滚动后浅色底导航恢复深色文字；深色滚动导航保持反白 */
.mg-nav.scrolled .nav-icon-btn { color: var(--mg-text-2); }
.mg-nav.scrolled .nav-icon-btn:hover { background: var(--mg-bg-accent); color: var(--mg-primary); }
.mg-nav-dark.scrolled .nav-icon-btn { color: var(--mg-text-inv-2); }
.mg-nav-dark.scrolled .nav-icon-btn:hover { color: var(--mg-text-inv); background: rgba(255,255,255,0.08); }
@media (max-width: 900px) {
  .nav-icon-btn { color: var(--mg-text-1); }
  .mg-nav-dark .nav-icon-btn { color: var(--mg-text-inv-2); }
}
.sh-breadcrumb {
  margin-bottom: 16px;
  font-size: 0.82rem;
  color: var(--mg-text-3);
}
.sh-breadcrumb ol {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.sh-breadcrumb li { display: flex; align-items: center; gap: 6px; }
.sh-breadcrumb li + li::before { content: '/'; color: var(--mg-text-4); }
.sh-breadcrumb a { color: var(--mg-primary); font-weight: 500; }
.sh-breadcrumb a:hover { text-decoration: underline; }
.sh-breadcrumb [aria-current="page"] { color: var(--mg-text-2); font-weight: 600; }

/* ---------- 聊天 UI（ui-upgrade.js 注入） ---------- */
.msg-mini-toast {
  display: inline-block;
  margin-top: 4px;
  padding: 2px 8px;
  font-size: 0.7rem;
  color: var(--mg-primary);
  background: var(--mg-bg-accent);
  border-radius: var(--mg-radius-full);
}
.chat-quick-question {
  padding: 8px 14px;
  font-size: 0.82rem;
  color: var(--mg-text-2);
  background: var(--mg-white);
  border: 1px solid var(--mg-border);
  border-radius: var(--mg-radius-full);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.chat-quick-question:hover { border-color: var(--mg-primary); color: var(--mg-primary); background: var(--mg-bg-accent); }
.chat-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.sh-lead-card { align-items: center; }
.sh-lead-bubble { background: var(--mg-bg-light) !important; }
.sh-lead-bubble strong { display: block; margin-bottom: 4px; color: var(--mg-text-1); }
.sh-lead-bubble p { margin: 0 0 8px; font-size: 0.85rem; color: var(--mg-text-2); }
.sh-lead-cta {
  display: inline-block;
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  color: #fff;
  background: var(--mg-primary);
  border-radius: var(--mg-radius-full);
  transition: background 0.2s, transform 0.2s;
}
.sh-lead-cta:hover { background: var(--mg-primary-light); transform: translateY(-1px); }

/* v3.9 nav/footer brand mark uses the brand logo image at natural size */
.mg-nav-brand-mark,
.mg-footer-brand-mark { overflow: visible; padding: 0; background: transparent; border-radius: 0; }
.mg-nav-brand-mark img,
.mg-footer-brand-mark img { width: auto; height: auto; max-width: 40px; max-height: 40px; display: block; object-fit: contain; border-radius: 0; filter: none; backdrop-filter: none; }
.mg-nav-brand-mark img { max-width: 34px; max-height: 34px; }

/* v3.9 通用导出组件：PDF / Word 导出按钮（export-utils.js） */
.biz-export-group { display: inline-flex; align-items: center; gap: 8px; }
.biz-export-btn {
  appearance: none; border: 1px solid var(--mg-border, #d9e2e0);
  background: var(--mg-surface, #fff); color: var(--mg-text-2, #26322f);
  font-size: 0.8rem; font-weight: 600; line-height: 1;
  padding: 8px 12px; border-radius: var(--mg-radius-md, 8px);
  cursor: pointer; transition: all 0.18s var(--mg-ease, ease);
  display: inline-flex; align-items: center; gap: 6px; white-space: nowrap;
}
.biz-export-btn:hover { border-color: var(--mg-primary, #1f8b7c); color: var(--mg-primary, #1f8b7c); background: color-mix(in srgb, var(--mg-primary, #1f8b7c) 6%, #fff); }
.biz-export-btn:active { transform: scale(0.97); }
.biz-export-btn:disabled { opacity: 0.55; cursor: default; transform: none; }
.biz-export-btn:focus-visible { outline: 2px solid var(--mg-primary, #1f8b7c); outline-offset: 2px; }

/* no-JS 兜底：禁用脚本时 reveal 区块保持可见 */
html.no-js .reveal { opacity: 1; transform: none; }