/* ===== 现代设计系统变量 - 清爽医疗风格 ===== */
:root {
  /* 清爽医疗风格配色 - 与下载页保持一致 */
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-tertiary: #e2e8f0;
  --bg-card: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.9);
  --bg-glass-light: rgba(255, 255, 255, 0.7);
  --bg-glass-dark: rgba(248, 250, 252, 0.95);
  
  /* 文字色彩 - 更清晰的对比度 */
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-accent: #6366f1;
  
  /* 品牌色彩 - 清爽医疗蓝紫 */
  --primary: #6366f1;
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --primary-glow: rgba(99, 102, 241, 0.3);
  --accent: #8b5cf6;
  --accent-light: #a78bfa;
  
  /* 辅助色彩 */
  --accent-orange: #fb923c;
  --accent-pink: #f0abfc;
  --accent-green: #4ade80;
  --accent-yellow: #fbbf24;
  --accent-blue: #3b82f6;
  
  /* 渐变背景 - 清爽医疗风格 */
  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --gradient-secondary: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  --gradient-card: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 250, 252, 0.85) 100%);
  --gradient-luxury: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(59, 130, 246, 0.08) 100%);
  --gradient-mesh: radial-gradient(ellipse 60% 50% at 30% 20%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
                    radial-gradient(ellipse 50% 40% at 80% 70%, rgba(59, 130, 246, 0.06) 0%, transparent 50%),
                    radial-gradient(ellipse 70% 60% at 50% 90%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
  
  /* 圆角系统 */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;
  
  /* 间距系统 */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  --spacing-4xl: 8rem;
  
  /* 阴影系统 - 清爽柔和阴影 */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 24px rgba(99, 102, 241, 0.12);
  --shadow-lg: 0 16px 48px rgba(99, 102, 241, 0.15);
  --shadow-glow: 0 0 60px var(--primary-glow);
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-luxury: 0 12px 40px rgba(99, 102, 241, 0.15);
  --shadow-glass: 0 8px 32px rgba(99, 102, 241, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  
  /* 玻璃边框系统 */
  --glass-border: rgba(99, 102, 241, 0.12);
  --glass-border-hover: rgba(99, 102, 241, 0.25);
  
  /* 过渡动画 */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* 字体系统 */
  --font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  
  /* 导航栏高度 */
  --nav-height: 72px;
  
  /* 安全区域变量（默认值，移动端会被覆盖） */
  --safe-area-inset-top: env(safe-area-inset-top, 0px);
  --safe-area-inset-right: env(safe-area-inset-right, 0px);
  --safe-area-inset-bottom: env(safe-area-inset-bottom, 0px);
  --safe-area-inset-left: env(safe-area-inset-left, 0px);
}

/* ===== 基础样式重置 ===== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: #faf8ff;
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
}

/* APP风格背景 - 清爽医疗渐变 */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    linear-gradient(135deg, 
      #f0f9ff 0%,
      #e0f2fe 25%,
      #dbeafe 50%,
      #e0e7ff 75%,
      #ede9fe 100%
    );
  z-index: -2;
  pointer-events: none;
}

/* 添加柔和的光晕效果 */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse 60% 50% at 30% 20%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse 50% 40% at 80% 70%, rgba(59, 130, 246, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse 70% 60% at 50% 90%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
  z-index: -1;
  pointer-events: none;
}

/* ===== 全局细节优化 ===== */
/* 选中文本颜色 */
::selection {
  background: var(--primary);
  color: white;
}

/* GPU加速优化 */
.navbar,
.hero-preview,
.phone-preview,
.feature-card,
.premium-card,
.service-icon-box,
.btn {
  will-change: transform;
  transform: translateZ(0);
  backface-visibility: hidden;
}

/* 图片优化 */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ===== 适用场景网格布局 - 简化版 ===== */
.scenarios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  max-width: 1200px;
  margin: var(--spacing-2xl) auto 0;
}

.scenario-card {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: var(--spacing-xl);
  text-align: center;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-card);
}

.scenario-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
  border-radius: 14px;
  color: var(--primary);
}

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

.scenario-card:hover .scenario-icon svg {
  transform: scale(1.1) rotate(8deg);
  filter: drop-shadow(0 4px 16px rgba(251, 146, 60, 0.4));
}

.scenario-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.scenario-card p {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .scenarios-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .scenario-card {
    padding: var(--spacing-xl);
  }
  
  .scenario-icon {
    width: 64px;
    height: 64px;
  }
  height: auto;
  display: block;
}

/* ===== 无障碍访问 ===== */
.skip-to-content {
  position: absolute;
  top: -100px;
  left: 0;
  z-index: 99999;
  padding: 0.75rem 1.5rem;
  background: var(--primary);
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  border-radius: 0 0 8px 0;
  transition: top 0.2s ease;
}

.skip-to-content:focus {
  top: 0;
  outline: 2px solid var(--primary-light);
  outline-offset: 2px;
}

/* ===== 导航栏样式 - 清爽白色毛玻璃 ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(99, 102, 241, 0.1);
  transition: all var(--transition-normal);
  /* 适配安全区域（iPhone刘海等） */
  padding-top: var(--safe-area-inset-top, 0px);
  /* 确保有固定高度，防止布局抖动 */
  min-height: var(--nav-height, 72px);
  height: var(--nav-height, 72px);
  box-sizing: border-box;
  /* 确保导航栏立即可见，无闪烁 */
  opacity: 1;
  visibility: visible;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

/* 骨架导航栏样式 - 与真实导航栏保持一致，避免闪烁 */
#navbar-skeleton {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid rgba(124, 58, 237, 0.08);
  box-shadow: 0 1px 0 rgba(124, 58, 237, 0.06), 0 2px 8px rgba(124, 58, 237, 0.04);
  /* 适配安全区域（iPhone刘海等） */
  padding-top: var(--safe-area-inset-top, 0px);
  /* 添加过渡效果，确保平滑替换 */
  transition: opacity 0.15s ease, visibility 0.15s ease;
  /* 确保有固定高度，防止布局抖动 */
  min-height: var(--nav-height, 72px);
  height: var(--nav-height, 72px);
}

/* 确保骨架导航栏在加载时立即可见 */
#navbar-skeleton,
.navbar {
  /* 防止布局抖动 */
  will-change: opacity, transform;
  /* 强制硬件加速 */
  transform: translateZ(0);
  backface-visibility: hidden;
  /* 确保导航栏有固定高度 */
  min-height: var(--nav-height, 72px);
  height: var(--nav-height, 72px);
  box-sizing: border-box;
}

/* 与下载页保持一致：移除导航栏伪元素装饰 */
.navbar::before {
  display: none;
}

/* 导航栏滚动状态 */
.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(24px) saturate(200%);
  -webkit-backdrop-filter: blur(24px) saturate(200%);
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.15);
  border-bottom-color: rgba(99, 102, 241, 0.15);
}

.nav-container {
  max-width: 100%;
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--spacing-xl); /* 桌面端：48px */
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0; /* 移除gap，确保nav-links紧贴右边 */
  box-sizing: border-box;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md); /* 桌面端：16px */
  text-decoration: none;
  color: var(--text-primary);
  font-size: var(--font-size-xl); /* 桌面端：1.25rem */
  font-weight: 700;
  letter-spacing: -0.02em;
  user-select: none;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.nav-logo-img {
  width: 44px;
  height: 44px;
  object-fit: cover;
  border-radius: 12px;
  flex-shrink: 0;
  /* 防止图片加载导致的布局抖动 */
  display: block;
  aspect-ratio: 1 / 1;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.05) 0%, rgba(251, 146, 60, 0.05) 100%);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-2xl);
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--font-size-base);
  padding: var(--spacing-sm) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transition: transform var(--transition-normal);
  border-radius: 2px;
}

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

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

/* 桌面端导航 */
.desktop-nav {
  display: flex;
}

/* 移动端菜单相关样式已移至 mobile-nav.css 文件中 */

/* ===== 容器和布局 ===== */
/* ===== 容器系统 ===== */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding-left: clamp(1rem, 5vw, 3rem);
  padding-right: clamp(1rem, 5vw, 3rem);
  position: relative;
  z-index: 1;
}

/* 宽容器（用于特殊布局） */
.container-wide {
  max-width: 1600px;
}

/* 窄容器（用于文本内容） */
.container-narrow {
  max-width: 900px;
}

/* 页面内容和页脚 - 最底层（z-index: 0 或默认） */
main {
  position: relative;
  z-index: 0; /* 确保在遮罩层下方 */
  overflow-x: hidden;
  /* 确保第一个section（hero）有足够的顶部间距，避免被固定导航栏遮挡 */
  padding-top: 0; /* padding由hero自己处理 */
  /* 防止布局抖动 */
  contain: layout style paint;
  min-height: calc(100vh - var(--nav-height, 72px));
}

/* 页脚也在最底层 */
footer {
  position: relative;
  z-index: 0; /* 确保在遮罩层下方 */
}

/* ===== 按钮系统 - 清爽医疗风格 ===== */
.btn,
.download-btn,
button[type="submit"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  border-radius: var(--radius-xl);
  font-family: var(--font-family);
  font-size: var(--font-size-lg);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  color: white;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
  border: 1px solid rgba(99, 102, 241, 0.2);
  min-width: 180px;
}

.btn::before,
.download-btn::before,
button[type="submit"]::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover,
.download-btn:hover,
button[type="submit"]:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 32px rgba(99, 102, 241, 0.4);
  border-color: rgba(99, 102, 241, 0.3);
}

.btn:hover::before,
.download-btn:hover::before,
button[type="submit"]:hover::before {
  width: 300px;
  height: 300px;
}

.btn:active,
.download-btn:active,
button[type="submit"]:active {
  transform: translateY(0);
}

/* 下载按钮变体 */
.download-btn.android {
  background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
  color: white;
  box-shadow: 0 4px 20px rgba(34, 197, 94, 0.3);
}

.download-btn.ios {
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  color: white;
  border: 1px solid rgba(59, 130, 246, 0.2);
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}

.download-btn.ios:hover {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 8px 32px rgba(59, 130, 246, 0.4);
}

/* 下载按钮组 */
.download-btn-group {
  margin: var(--spacing-xl) 0;
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  justify-content: center;
}

.btn-icon {
  font-size: var(--font-size-2xl);
  flex-shrink: 0;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

/* ===== 简化卡片系统 - 参考下载页 ===== */
.feature-card {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: var(--spacing-xl);
  text-align: center;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

/* 简化图标容器 */
.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: 0 auto var(--spacing-lg);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
  border-radius: 14px;
}

.feature-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--primary);
  stroke-width: 2;
}

.feature-card h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.3;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

/* ===== 网格布局 ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

/* ===== 英雄区域 ===== */
.hero {
  background: transparent;
  /* 确保预留导航栏空间：导航栏高度 + 安全区域顶部 + 额外间距 */
  padding-top: calc(var(--nav-height) + var(--safe-area-inset-top, 0px) + 4rem);
  padding-bottom: var(--spacing-3xl);
  padding-left: 0;
  padding-right: 0;
  position: relative;
  overflow: hidden;
  min-height: min(100vh, 900px);
  display: flex;
  align-items: center;
  /* 防止布局抖动 */
  contain: layout style paint;
  will-change: auto;
}

.hero::before {
  display: none;
}

.hero::after {
  display: none;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-lg);
  margin-top: clamp(1.5rem, 3vw, 2.5rem);
  flex-wrap: wrap;
}

.hero-actions .btn {
  flex: 1;
  min-width: 160px;
  text-align: center;
}

.hero-flex {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
  position: relative;
  z-index: 1;
}

.hero-text {
  max-width: 640px;
}

/* ===== Hero区域优化 ===== */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
  box-shadow: 0 2px 12px rgba(99, 102, 241, 0.1);
  transition: all var(--transition-normal);
}

.hero-badge:hover {
  background: white;
  border-color: rgba(99, 102, 241, 0.3);
  transform: translateY(-1px);
}

.hero-badge svg {
  color: var(--primary);
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-2xl);
  font-weight: 500;
}

.hero-features {
  list-style: none;
  margin: clamp(1.5rem, 3vw, 2rem) auto;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  max-width: min(90%, 500px);
  width: 100%;
  margin-left: auto;
  margin-right: auto;
}

.hero-features li {
  display: flex;
  align-items: center;
  font-size: clamp(0.95rem, 2vw, 1.05rem);
  color: var(--text-secondary);
  line-height: 1.7;
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  width: 100%;
  justify-content: flex-start;
  position: relative;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  transition: all 0.3s ease;
  animation: slideInUp 0.6s ease-out both;
}

.hero-features li:nth-child(1) { animation-delay: 0.1s; }
.hero-features li:nth-child(2) { animation-delay: 0.2s; }
.hero-features li:nth-child(3) { animation-delay: 0.3s; }
.hero-features li:nth-child(4) { animation-delay: 0.4s; }

.hero-features li:hover {
  background: rgba(139, 92, 246, 0.1);
  border-color: rgba(139, 92, 246, 0.3);
  transform: translateX(8px);
}

.hero-features li::before {
  content: '✓';
  color: var(--primary-color);
  font-weight: bold;
  font-size: 1.2em;
  margin-right: var(--spacing-md);
  flex-shrink: 0;
  width: 1.2em;
  text-align: center;
  line-height: 1;
  background: rgba(139, 92, 246, 0.2);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5em;
  height: 1.5em;
  margin-right: var(--spacing-lg);
}

/* ===== CTA按钮优化 ===== */
.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin-top: var(--spacing-2xl);
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 16px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-normal);
  cursor: pointer;
  border: none;
}

.cta-btn.primary {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  color: white;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.cta-btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(99, 102, 241, 0.4);
}

.cta-btn.secondary {
  background: rgba(255, 255, 255, 0.9);
  color: var(--primary);
  border: 1px solid rgba(99, 102, 241, 0.2);
  box-shadow: 0 2px 12px rgba(99, 102, 241, 0.1);
}

.cta-btn.secondary:hover {
  background: white;
  border-color: var(--primary);
  transform: translateY(-2px);
}

.cta-icon {
  font-size: var(--font-size-lg);
}

.cta-text {
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* 移动端响应式 */
@media (max-width: 768px) {
  .hero-cta {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .cta-btn {
    width: 100%;
    max-width: 300px;
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .hero-features li {
    padding: var(--spacing-md);
    font-size: var(--font-size-base);
  }

  .hero-features li:hover {
    transform: none;
  }
}

.hero-img {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  /* 防止布局抖动 */
  min-height: 300px;
  aspect-ratio: 1 / 1;
  contain: layout style paint;
}

.hero-img svg,
.hero-img img {
  width: 100%;
  max-width: min(400px, 80vw);
  height: auto;
  filter: drop-shadow(0 0 40px rgba(139, 92, 246, 0.4));
  transition: transform 0.3s ease;
  /* 防止SVG/图片加载导致的布局抖动 */
  aspect-ratio: 1 / 1;
  display: block;
}

.hero-img svg:hover,
.hero-img img:hover {
  transform: scale(1.05) rotate(2deg);
}

/* ===== 分区样式 ===== */
.section-bg {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: clamp(3rem, 8vw, 6rem) 0;
  margin: clamp(2rem, 5vw, 4rem) 0;
  position: relative;
  overflow: visible;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

/* 最后一个section-bg没有底部margin */
.section-bg:last-child {
  margin-bottom: 0;
}

.section-bg::after {
  display: none;
}

.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--glass-border) 50%, transparent 100%);
  margin: var(--spacing-xl) 0;
}

/* ===== 标题样式 ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.section-title {
  text-align: center;
  font-size: var(--font-size-3xl);
  font-weight: 600;
  margin-bottom: var(--spacing-2xl);
  color: var(--text-primary);
}

h1 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-lg);
}

h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-md);
}

/* ===== 下载分隔线 ===== */
.download-divider {
  display: flex;
  align-items: center;
  margin: var(--spacing-xl) 0;
  position: relative;
}

.divider-text {
  padding: 0 var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  font-weight: 500;
  white-space: nowrap;
}

/* ===== 二维码样式 ===== */
.qrcode-container {
  display: flex;
  gap: var(--spacing-xl);
  justify-content: center;
  align-items: stretch;
  margin: var(--spacing-lg) 0 var(--spacing-xl) 0;
  flex-wrap: wrap;
}

.qrcode-box {
  text-align: center;
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.08) 0%, 
    rgba(255, 255, 255, 0.03) 100%);
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-xl);
  transition: all var(--transition-normal);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: var(--shadow-glass);
  position: relative;
  overflow: hidden;
  min-width: 240px;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.qrcode-box:hover {
  transform: translateY(-8px) scale(1.03);
  border-color: rgba(139, 92, 246, 0.5);
  box-shadow: 0 16px 64px rgba(139, 92, 246, 0.4), 0 0 100px rgba(139, 92, 246, 0.2);
}

/* 二维码头部 */
.qrcode-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.platform-icon {
  font-size: var(--font-size-2xl);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.platform-name {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.05em;
}

/* 二维码包装器 */
.qrcode-wrapper {
  position: relative;
  display: inline-block;
  padding: var(--spacing-md);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 
              inset 0 1px 0 rgba(255, 255, 255, 0.5);
  margin: 0 auto;
}

.qrcode-img {
  width: 200px;
  height: 200px;
  display: block;
  border-radius: var(--radius-sm);
  transition: all var(--transition-normal);
}

.qrcode-tip {
  color: var(--text-secondary);
  font-size: var(--font-size-base);
  font-weight: 600;
  padding-top: var(--spacing-sm);
}

/* ===== 技术参数样式 ===== */
.tech-specs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.spec-item {
  background: var(--gradient-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.spec-item:hover {
  transform: translateY(-4px);
  border-color: rgba(139, 92, 246, 0.3);
  box-shadow: var(--shadow-md);
}

.spec-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.spec-value {
  font-size: var(--font-size-base);
  color: var(--text-primary);
  font-weight: 500;
}

/* ===== 关于页面样式 ===== */
.about-content {
  display: grid;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.about-card {
  position: relative;
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.98) 0%, 
    rgba(250, 248, 255, 0.95) 100%);
  border: none;
  border-radius: 32px;
  padding: var(--spacing-2xl);
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  box-shadow: 
    0 8px 32px rgba(124, 58, 237, 0.08),
    0 2px 8px rgba(124, 58, 237, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(40px) saturate(180%);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  isolation: isolate;
}

.about-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, 
    rgba(124, 58, 237, 0.08) 0%, 
    rgba(251, 146, 60, 0.05) 30%, 
    transparent 70%);
  opacity: 0;
  transition: all 0.6s ease;
  z-index: -1;
}

.about-card-icon {
  width: 80px;
  height: 80px;
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, 
    rgba(124, 58, 237, 0.12) 0%, 
    rgba(251, 146, 60, 0.08) 100%);
  border-radius: 24px;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: visible;
}

.about-card-icon::before {
  content: '';
  position: absolute;
  inset: -4px;
  background: linear-gradient(135deg, 
    var(--primary) 0%, 
    var(--accent-orange) 100%);
  border-radius: 26px;
  opacity: 0;
  filter: blur(20px);
  transition: opacity 0.4s ease;
  z-index: -1;
}

.about-card-icon svg {
  width: 48px;
  height: 48px;
  stroke: var(--primary);
  filter: drop-shadow(0 2px 8px rgba(124, 58, 237, 0.3));
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.about-card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: 
    0 20px 60px rgba(124, 58, 237, 0.2),
    0 8px 24px rgba(124, 58, 237, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 1);
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 1) 0%, 
    rgba(250, 248, 255, 0.98) 100%);
}

.about-card:hover::before {
  opacity: 1;
  transform: rotate(45deg);
}

.about-card:hover .about-card-icon {
  transform: translateY(-8px) rotate(-5deg) scale(1.1);
  background: linear-gradient(135deg, 
    rgba(124, 58, 237, 0.2) 0%, 
    rgba(251, 146, 60, 0.15) 100%);
  box-shadow: 
    0 12px 32px rgba(124, 58, 237, 0.25),
    0 4px 12px rgba(251, 146, 60, 0.15);
}

.about-card:hover .about-card-icon::before {
  opacity: 0.6;
}

.about-card:hover .about-card-icon svg {
  stroke: var(--accent-orange);
  transform: scale(1.15) rotate(5deg);
  filter: drop-shadow(0 4px 16px rgba(251, 146, 60, 0.4));
}

.about-card h2 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-xl);
  font-weight: 600;
}

.about-card p {
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: var(--font-size-base);
}

.honors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.honor-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg);
  background: rgba(139, 92, 246, 0.05);
  border: 1px solid rgba(139, 92, 246, 0.1);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.honor-item:hover {
  background: rgba(139, 92, 246, 0.1);
  border-color: rgba(139, 92, 246, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(139, 92, 246, 0.2);
}

.honor-icon {
  font-size: 2.5rem;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 4px rgba(139, 92, 246, 0.3));
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.honor-icon svg {
  stroke: var(--primary);
  transition: all var(--transition-normal);
}

.honor-item:hover .honor-icon svg {
  transform: scale(1.1);
  stroke: var(--accent-orange);
}

.honor-text {
  color: var(--text-primary);
  font-weight: 500;
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

/* ===== AI/VIP 服务区域样式 ===== */
.ai-section,
.vip-section {
  padding: clamp(3rem, 6vw, 5rem) 0;
}

.ai-flex,
.vip-flex {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
  max-width: 1100px;
  margin: 0 auto;
}

.vip-flex {
  grid-template-columns: auto 1fr;
}

.ai-text,
.vip-text {
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.ai-text h2,
.vip-text h2 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  margin-bottom: clamp(1.25rem, 2.5vw, 1.75rem);
  background: linear-gradient(135deg, var(--primary-color) 0%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.3;
  text-align: center;
  width: 100%;
}

.ai-text p {
  font-size: clamp(1rem, 2vw, 1.1rem);
  line-height: 1.85;
  color: var(--text-secondary);
  text-align: center;
  max-width: 100%;
  margin: 0 auto;
}

.vip-text ul {
  list-style: none;
  padding: 0;
  margin: clamp(0.75rem, 1.5vw, 1.25rem) auto 0 auto;
  width: 100%;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.vip-text ul li {
  padding: clamp(0.625rem, 1.2vw, 0.875rem) 0;
  padding-left: clamp(2rem, 4vw, 2.5rem);
  position: relative;
  font-size: clamp(1rem, 2vw, 1.1rem);
  line-height: 1.75;
  text-align: left;
  width: 100%;
  max-width: 500px;
}

.vip-text ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: 700;
  font-size: 1.3em;
  line-height: 1.75;
  width: 1.5em;
  text-align: center;
}

.ai-img,
.vip-img {
  flex-shrink: 0;
  width: auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===== 服务图标盒子 - 优化版 ===== */
.service-icon-box {
  width: clamp(140px, 18vw, 180px);
  height: clamp(140px, 18vw, 180px);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, 
    rgba(139, 92, 246, 0.15) 0%, 
    rgba(236, 72, 153, 0.12) 100%);
  backdrop-filter: blur(24px) saturate(200%);
  -webkit-backdrop-filter: blur(24px) saturate(200%);
  border-radius: 50%;
  position: relative;
  overflow: visible;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 
    0 16px 48px rgba(139, 92, 246, 0.3),
    0 8px 24px rgba(139, 92, 246, 0.2),
    0 0 0 1px rgba(255, 255, 255, 0.12) inset,
    0 0 80px rgba(139, 92, 246, 0.2);
  border: 2.5px solid rgba(139, 92, 246, 0.4);
}

.service-icon-box::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color), #ec4899);
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: -1;
}

.service-icon-box svg {
  color: var(--primary-color);
  filter: drop-shadow(0 4px 12px rgba(139, 92, 246, 0.3));
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  width: clamp(100px, 12vw, 120px);
  height: clamp(100px, 12vw, 120px);
}

.service-icon-box:hover {
  transform: scale(1.08) translateY(-6px);
  box-shadow: 0 16px 48px rgba(139, 92, 246, 0.3);
  border-color: rgba(236, 72, 153, 0.4);
}

.service-icon-box:hover::before {
  opacity: 0.12;
}

.service-icon-box:hover svg {
  transform: scale(1.1) rotate(3deg);
  color: #ec4899;
}

/* ===== 安装指引 ===== */
.install-guide {
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.08) 0%, 
    rgba(255, 255, 255, 0.03) 100%);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  margin-top: var(--spacing-xl);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: var(--shadow-glass);
}

/* ===== 下载统计区域 ===== */
.stats-section {
  padding: var(--spacing-2xl) 0;
  background: linear-gradient(180deg, 
    rgba(139, 92, 246, 0.05) 0%, 
    transparent 100%);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.stat-item {
  text-align: center;
  padding: var(--spacing-xl);
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.05) 0%, 
    rgba(255, 255, 255, 0.02) 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
}

.stat-item:hover {
  transform: translateY(-8px);
  border-color: rgba(139, 92, 246, 0.5);
  box-shadow: var(--shadow-luxury);
}

.stat-number {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-sm);
  line-height: 1.2;
}

.stat-label {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  font-weight: 500;
  letter-spacing: 0.05em;
}

.install-guide strong {
  color: var(--primary-color);
  font-size: var(--font-size-lg);
  display: block;
  margin-bottom: var(--spacing-md);
}

.install-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.install-list li {
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-base);
  line-height: 1.8;
  padding-left: var(--spacing-lg);
  position: relative;
}

.install-list li::before {
  content: '•';
  color: var(--primary-color);
  position: absolute;
  left: 0;
  font-weight: bold;
}

/* ===== 页脚样式 - 与下载页保持一致 ===== */
.footer {
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
  background: var(--bg-secondary);
  border-top: 1px solid rgba(124, 58, 237, 0.1);
  text-align: center;
  position: relative;
}

/* 与下载页保持一致：移除页脚伪元素装饰 */
.footer::before {
  display: none;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
  position: relative;
  z-index: 1;
}

.footer-logo {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.footer-desc {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
  opacity: 0.9;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
  justify-content: center;
  margin-bottom: var(--spacing-2xl);
  padding: var(--spacing-lg) 0;
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--font-size-base);
  font-weight: 500;
  transition: all var(--transition-fast);
  position: relative;
  padding: var(--spacing-xs) 0;
}

.footer-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width var(--transition-fast);
}

.footer-link:hover {
  color: var(--primary-color);
}

.footer-link:hover::after {
  width: 100%;
}

.footer-copyright {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  opacity: 0.8;
}

.footer-beian {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  opacity: 0.7;
}

.footer-beian a {
  color: var(--text-muted);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.footer-beian a:hover {
  color: var(--text-secondary);
  opacity: 1;
}

/* 页脚响应式 - 与下载页保持一致 */
@media (max-width: 768px) {
  .footer {
    padding: 32px 0 calc(24px + var(--safe-area-inset-bottom, 0px));
  }
  
  .footer-links {
    gap: var(--spacing-md);
    flex-direction: column;
    align-items: center;
  }
  
  .footer-logo {
    font-size: var(--font-size-xl);
  }
  
  .footer-desc {
    font-size: var(--font-size-sm);
  }
}

/* ===== 表单样式 ===== */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  transition: all var(--transition-normal);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.form-submit {
  background: var(--gradient-primary);
  color: var(--text-primary);
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  width: 100%;
}

.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

/* ===== 响应式设计 ===== */

/* 大屏幕优化 */
@media (min-width: 1400px) {
  .container {
    max-width: 1400px;
  }
  
  .hero-text h1 {
    font-size: 4rem;
  }
  
  .features-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* 中等屏幕 */
@media (max-width: 1200px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .hero-text h1 {
    font-size: var(--font-size-4xl);
  }
}

/* 平板设备 */
@media (max-width: 900px) {
  .container {
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
  }
  
  .nav-container {
    height: 64px;
    padding: 0 var(--spacing-lg);
  }
  
  .nav-logo {
    font-size: var(--font-size-xl);
  }
  
  /* 显示移动端菜单 */
  .mobile-menu-toggle {
    display: flex;
  }
  
  .desktop-nav {
    display: none !important;
  }
  
  .mobile-nav,
  .mobile-nav-overlay {
    display: block;
  }
  
  .nav-links {
    gap: var(--spacing-lg);
  }
  
  .nav-link {
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
  }
  
  /* Hero 布局调整 */
  .hero-flex {
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
    text-align: center;
  }
  
  .hero-text {
    max-width: 100%;
  }
  
  .hero-img {
    order: -1;
  }
  
  .hero-img svg {
    max-width: 280px;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  /* Hero区域移动端优化 */
  .hero {
    /* 移动端：导航栏高度 + 安全区域顶部 + 响应式间距 */
    padding-top: calc(var(--nav-height) + var(--safe-area-inset-top, 0px) + var(--spacing-4xl));
    padding-bottom: calc(var(--spacing-4xl) + var(--safe-area-inset-bottom, 0px));
    padding-left: var(--safe-area-inset-left, 0px);
    padding-right: var(--safe-area-inset-right, 0px);
    min-height: auto;
  }
  
  /* AI/VIP 服务区域响应式 */
  .ai-flex,
  .vip-flex {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    text-align: center;
  }
  
  .vip-flex {
    grid-template-columns: 1fr;
  }
  
  .ai-img,
  .vip-img {
    order: -1;
    width: 100%;
  }
  
  .service-icon-box {
    width: 180px;
    height: 180px;
    margin: 0 auto;
  }
  
  .service-icon-box svg {
    width: 100px;
    height: 100px;
  }
  
  .vip-text ul li {
    text-align: left;
    padding-left: var(--spacing-xl);
  }
  
  .hero-text h1 {
    font-size: var(--font-size-3xl);
  }
  
  .hero-text p {
    font-size: var(--font-size-lg);
  }
  
  .hero-img {
    flex: none;
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }
  
  .qrcode-container {
    flex-direction: column;
    align-items: center;
  }
  
  .download-btn-group {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}

@media (max-width: 768px) {
  /* 支持安全区域（iPhone刘海、Home Indicator等） */
  :root {
    --safe-area-inset-top: env(safe-area-inset-top, 0px);
    --safe-area-inset-right: env(safe-area-inset-right, 0px);
    --safe-area-inset-bottom: env(safe-area-inset-bottom, 0px);
    --safe-area-inset-left: env(safe-area-inset-left, 0px);
  }
  
  body::after {
    display: none;
  }

  body::before {
    opacity: 0.2;
  }

  /* 移动端视图优化 */
  html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
  }

  /* 移动端滚动优化 */
  body {
    position: relative;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
  }

  /* 显示移动端菜单 */
  .mobile-menu-toggle {
    display: flex;
  }
  
  .desktop-nav {
    display: none !important;
  }
  
  .mobile-nav,
  .mobile-nav-overlay {
    display: block;
  }
  
  /* 导航栏适配安全区域 */
  .nav-container {
    padding-left: max(var(--spacing-md), var(--safe-area-inset-left));
    padding-right: max(var(--spacing-md), var(--safe-area-inset-right));
  }
  
  /* 容器适配安全区域 */
  .container {
    padding-left: max(var(--spacing-md), var(--safe-area-inset-left));
    padding-right: max(var(--spacing-md), var(--safe-area-inset-right));
  }

  /* 触摸优化 */
  a,
  button,
  .btn,
  .nav-link {
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
  }
  
  /* 增大触摸目标 */
  .btn,
  .mobile-nav-link,
  .nav-link {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  
  /* 按钮触摸反馈 */
  .btn:active,
  .mobile-nav-link:active {
    transform: scale(0.97);
    transition: transform 0.1s ease;
  }

  .hero-img svg,
  .hero-img img {
    max-width: 240px;
    height: auto;
  }
  
  .hero-features {
    margin: var(--spacing-lg) auto;
    max-width: min(85%, 450px);
    width: 100%;
    align-items: center;
    justify-content: center;
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-features li {
    font-size: var(--font-size-sm);
    justify-content: flex-start;
    width: 100%;
    padding-left: 0;
  }

  .section-bg {
    backdrop-filter: blur(6px) saturate(140%);
    -webkit-backdrop-filter: blur(6px) saturate(140%);
    border-radius: var(--radius-lg);
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-2xl) var(--spacing-md);
  }
  
  /* 移动端菜单优化 */
  .mobile-nav {
    width: min(92%, 380px);
    max-height: calc(85vh - var(--safe-area-inset-top) - var(--safe-area-inset-bottom));
  }
  
  .mobile-nav-content {
    padding: 18px 14px;
    gap: 8px;
  }
  
  .mobile-nav-link {
    font-size: 14px;
    padding: 12px 16px;
    height: 52px;
    min-height: 52px;
    border-radius: 12px;
  }
  
  /* AI/VIP 服务区域移动端优化 */
  .ai-section,
  .vip-section {
    padding: var(--spacing-2xl) 0;
  }
  
  .ai-flex,
  .vip-flex {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    text-align: center;
    padding: 0 var(--spacing-md);
  }
  
  .ai-img,
  .vip-img {
    order: -1;
    margin-bottom: var(--spacing-md);
  }
  
  .service-icon-box {
    width: 120px;
    height: 120px;
    margin: 0 auto;
  }
  
  .service-icon-box svg {
    width: 70px;
    height: 70px;
  }
  
  .ai-text h2,
  .vip-text h2 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
    text-align: center;
  }
  
  .ai-text,
  .vip-text {
    align-items: center;
    width: 100%;
  }
  
  .ai-text p {
    font-size: var(--font-size-base);
    text-align: center;
    line-height: 1.85;
    padding: 0;
    max-width: 100%;
  }
  
  .vip-text ul {
    text-align: left;
    margin-top: var(--spacing-md);
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
    align-items: center;
    width: 100%;
  }
  
  .vip-text ul li {
    text-align: left;
    padding-left: 2rem;
    font-size: var(--font-size-base);
    line-height: 1.8;
    padding-top: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    max-width: 400px;
    width: 100%;
  }
  
  .vip-text ul li::before {
    width: 1.5em;
    text-align: center;
  }

  .feature-card {
    box-shadow: var(--shadow-card);
    /* 移动端卡片触摸优化 */
    -webkit-tap-highlight-color: transparent;
  }

  .hero-actions .btn {
    flex: unset;
    width: 100%;
    min-height: 52px; /* 确保触摸目标足够大 */
  }

  /* 移动端文本选择优化 */
  p,
  li,
  span {
    -webkit-user-select: text;
    user-select: text;
  }

  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    -webkit-user-select: none;
    user-select: none;
  }

  /* 移动端图片优化 */
  img {
    max-width: 100%;
    height: auto;
    display: block;
  }

  /* 移动端链接优化 */
  a {
    color: inherit;
    text-decoration: none;
  }

  /* 移动端按钮组优化 */
  .download-btn-group {
    gap: var(--spacing-md);
  }

  .download-btn-group .btn {
    width: 100%;
  }

  /* 移动端二维码容器优化 */
  .qrcode-container {
    gap: var(--spacing-lg);
  }

  .qrcode-box {
    width: 100%;
    max-width: 100%;
  }

  /* 移动端技术参数优化 */
  .tech-specs {
    grid-template-columns: 1fr;
  }

  .spec-item {
    padding: var(--spacing-lg);
  }
}

/* 手机设备 */
@media (max-width: 600px) {
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .nav-container {
    height: 56px;
    padding: 0 var(--spacing-md);
  }
  
  .nav-logo {
    font-size: var(--font-size-base);
  }
  
  .nav-logo-img {
    width: 36px;
    height: 36px;
  }
  
  .nav-links {
    gap: var(--spacing-md);
  }
  
  .nav-link {
    font-size: var(--font-size-xs);
    padding: var(--spacing-xs);
  }
  
  .hero {
    /* 小屏幕：导航栏高度 + 安全区域顶部 + 响应式间距 */
    padding-top: calc(56px + var(--safe-area-inset-top, 0px) + var(--spacing-md));
    padding-bottom: var(--spacing-md);
    padding-left: var(--safe-area-inset-left, 0px);
    padding-right: var(--safe-area-inset-right, 0px);
  }
  
  .hero-text h1 {
    font-size: var(--font-size-2xl);
  }
  
  .hero-text p {
    font-size: var(--font-size-sm);
  }
  
  .hero-features li {
    font-size: var(--font-size-sm);
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }
  
  .feature-card {
    padding: var(--spacing-md);
  }
  
  /* AI/VIP 服务区域超小屏优化 */
  .ai-section,
  .vip-section {
    padding: var(--spacing-xl) 0;
  }
  
  .section-bg {
    padding: var(--spacing-xl) var(--spacing-sm);
    margin: var(--spacing-md) 0;
  }
  
  .service-icon-box {
    width: 100px;
    height: 100px;
  }
  
  .service-icon-box svg {
    width: 60px;
    height: 60px;
  }
  
  .ai-text h2,
  .vip-text h2 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
  }
  
  .ai-text,
  .vip-text {
    align-items: center;
  }
  
  .ai-text p {
    font-size: var(--font-size-xs);
    line-height: 1.6;
    padding: 0;
    text-align: center;
    max-width: 100%;
  }
  
  .vip-text ul {
    max-width: 100%;
    padding: 0;
    margin-left: auto;
    margin-right: auto;
    align-items: center;
  }
  
  .vip-text ul li {
    font-size: var(--font-size-xs);
    max-width: 320px;
    width: 100%;
    padding-left: 1.75rem;
  }
  
  .vip-text ul li::before {
    width: 1.5em;
  }
  
  .feature-card img,
  .feature-card svg {
    width: 40px;
    height: 40px;
  }
  
  .qrcode-img {
    width: 120px;
    height: 120px;
  }
  
  .section-bg {
    padding: var(--spacing-xl) 0;
    margin: var(--spacing-lg) 0;
  }
  
  h1 {
    font-size: var(--font-size-2xl);
  }
  
  h2 {
    font-size: var(--font-size-xl);
  }
}

/* ===== 动画和过渡 ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes breathe {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.1);
  }
}

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

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

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.4), 0 0 40px rgba(139, 92, 246, 0.2);
  }
  50% {
    box-shadow: 0 0 40px rgba(139, 92, 246, 0.6), 0 0 80px rgba(139, 92, 246, 0.3);
  }
}

@keyframes bounce {
  0%, 20%, 53%, 80%, 100% {
    animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
    transform: translate3d(0, 0, 0);
  }
  40%, 43% {
    animation-timing-function: cubic-bezier(0.755, 0.05, 0.855, 0.06);
    transform: translate3d(0, -30px, 0);
  }
  70% {
    animation-timing-function: cubic-bezier(0.755, 0.05, 0.855, 0.06);
    transform: translate3d(0, -15px, 0);
  }
  90% {
    transform: translate3d(0, -4px, 0);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeInUp 0.6s ease-out;
}

.slide-in-left {
  animation: slideInLeft 0.6s ease-out;
}

.slide-in-right {
  animation: slideInRight 0.6s ease-out;
}

/* ===== 滚动动画 ===== */
.scroll-animate {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
  transition-delay: var(--animation-delay, 0ms);
}

.scroll-animate.animate {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 页面切换动画 ===== */
.page-transition-mask {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-primary);
  z-index: 9999;
  opacity: 1;
  transition: opacity 0.4s ease-out;
  pointer-events: none;
}

.page-transition-mask.hide {
  opacity: 0;
}

/* ===== 特殊效果 ===== */
.glow-effect {
  position: relative;
}

.glow-effect::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--primary-glow);
  border-radius: inherit;
  opacity: 0;
  transition: opacity var(--transition-normal);
  pointer-events: none;
  z-index: -1;
}

.glow-effect:hover::after {
  opacity: 1;
}

/* ===== 加载状态 ===== */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

/* ===== 无障碍优化 ===== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===== 功能特性区域 ===== */
.features-section {
  padding: var(--spacing-3xl) 0;
  background: transparent;
  position: relative;
}

.section-title {
  text-align: center;
  font-size: var(--font-size-3xl);
  font-weight: 600;
  margin-bottom: var(--spacing-2xl);
  color: var(--text-primary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.feature-card {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  transition: all var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--glass-border-hover);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-lg);
  line-height: 1;
  transition: transform var(--transition-normal);
}

.feature-card:hover .feature-icon {
  transform: scale(1.1);
}

.feature-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.feature-desc {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== 系统要求区域 ===== */
.requirements-section {
  padding: var(--spacing-3xl) 0;
  background: transparent;
  margin-bottom: 0;
}

/* 最后一个requirements-section没有底部padding */
.requirements-section:last-child {
  padding-bottom: var(--spacing-2xl);
  margin-bottom: 0;
}

.requirements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-lg);
  max-width: 1000px;
  margin: var(--spacing-xl) auto 0;
  justify-content: center;
}

.requirement-card {
  position: relative;
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.98) 0%, 
    rgba(250, 248, 255, 0.95) 100%);
  border: none;
  border-radius: 32px;
  padding: var(--spacing-2xl);
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 
    0 8px 32px rgba(124, 58, 237, 0.08),
    0 2px 8px rgba(124, 58, 237, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(40px) saturate(180%);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  overflow: hidden;
  isolation: isolate;
}

.requirement-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at top left, 
    rgba(124, 58, 237, 0.08) 0%, 
    transparent 60%);
  opacity: 0;
  transition: opacity 0.6s ease;
  z-index: -1;
}

.requirement-card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: 
    0 20px 60px rgba(124, 58, 237, 0.2),
    0 8px 24px rgba(124, 58, 237, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 1);
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 1) 0%, 
    rgba(250, 248, 255, 0.98) 100%);
}

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

.requirement-platform {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  height: 48px;
}

.requirement-platform svg {
  filter: drop-shadow(0 2px 8px rgba(124, 58, 237, 0.15));
  transition: transform var(--transition-normal);
}

.requirement-card:hover .requirement-platform svg {
  transform: scale(1.1);
}

.requirement-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
}

.requirement-list {
  list-style: none;
}

.requirement-item {
  padding: var(--spacing-sm) 0;
  color: var(--text-secondary);
  font-size: var(--font-size-base);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.requirement-item::before {
  content: '✓';
  color: var(--primary);
  font-weight: 700;
  flex-shrink: 0;
}

/* ===== 页面底部修复 ===== */
/* 确保页面底部没有多余空间 */
html, body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

/* 确保main元素底部没有多余空间 */
main {
  display: block;
  margin-bottom: 0;
}

/* 确保最后一个section没有底部margin */
section:last-child {
  margin-bottom: 0;
}

/* 页脚紧贴底部 */
.footer {
  margin: 0;
  padding-top: var(--spacing-2xl);
  padding-bottom: var(--spacing-lg);
}

/* 确保页脚后面的所有内容都隐藏 */
.footer ~ * {
  display: none !important;
}

/* 确保body在页脚之后没有其他可见内容 */
body > footer:last-of-type {
  position: relative;
  z-index: 1;
}

/* 隐藏页脚后面的所有脚本和元素 */
body > footer:not(:last-of-type) {
  display: none !important;
}

/* ===== 样式一致性修复 ===== */
/* 确保所有文本使用正确的颜色变量 */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary) !important;
}

.feature-title, .requirement-title {
  color: var(--text-primary) !important;
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.feature-desc, .requirement-item {
  color: var(--text-secondary) !important;
  line-height: 1.6;
}

p, span, div {
  color: var(--text-secondary);
}

/* 确保所有背景使用正确的变量 */
section {
  background: transparent;
}

/* 修复按钮阴影一致性 */
.btn, .download-btn, button[type="submit"] {
  box-shadow: var(--shadow-glass);
  border: 1px solid var(--glass-border);
}

.btn:hover, .download-btn:hover, button[type="submit"]:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--glass-border-hover);
}

/* 修复卡片样式一致性 */
.feature-card, .premium-card, .requirement-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-card);
}

.feature-card:hover, .premium-card:hover, .requirement-card:hover {
  border-color: var(--glass-border-hover);
  box-shadow: var(--shadow-lg);
}

/* 确保所有链接颜色正确 */
a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-light);
}

/* 修复输入框样式 */
input, textarea, select {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  border-radius: var(--radius-lg);
}

input:focus, textarea:focus, select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(168, 85, 247, 0.2);
}

/* 确保图标样式一致性 */
.feature-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-lg);
  line-height: 1;
  transition: transform var(--transition-normal);
}

.requirement-platform svg {
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
  transition: transform var(--transition-normal);
}

/* 确保容器内边距一致性 */
.features {
  padding: var(--spacing-3xl) 0;
}

/* 确保网格布局一致性 */
.features-grid {
  display: grid;
  gap: var(--spacing-lg);
  max-width: 1200px;
  margin: 0 auto;
}

/* 移除重复的样式定义，避免冲突 */
.feature-card:hover .feature-icon {
  transform: scale(1.1);
}

.requirement-card:hover .requirement-platform svg {
  transform: scale(1.1);
}

/* ===== 戒指展示区域 - 3D效果 ===== */
.ring-showcase {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 400px;
  aspect-ratio: 1 / 1;
  margin: 0 auto;
}

.ring-glow-bg {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80%;
  height: 80%;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.15) 0%, rgba(251, 146, 60, 0.08) 40%, transparent 70%);
  border-radius: 50%;
  filter: blur(40px);
  animation: ringGlowPulse 4s ease-in-out infinite;
  pointer-events: none;
}

@keyframes ringGlowPulse {
  0%, 100% {
    opacity: 0.8;
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.1);
  }
}

.ring-svg {
  position: relative;
  z-index: 2;
  width: 100%;
  height: auto;
  max-width: 340px;
  filter: drop-shadow(0 12px 40px rgba(124, 58, 237, 0.2));
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.ring-showcase:hover .ring-svg {
  transform: scale(1.05) rotate(3deg);
}

/* 浮动健康数据卡片 */
.floating-stats {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 3;
}

.stat-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 20px;
  backdrop-filter: blur(30px) saturate(150%);
  -webkit-backdrop-filter: blur(30px) saturate(150%);
  box-shadow: 0 8px 32px rgba(124, 58, 237, 0.15);
  animation: floatCard 3s ease-in-out infinite;
  pointer-events: auto;
  transition: all 0.3s ease;
}

.stat-card:hover {
  transform: scale(1.1);
  border-color: rgba(255, 255, 255, 0.9);
  box-shadow: 0 12px 32px rgba(124, 58, 237, 0.2);
  background: rgba(255, 255, 255, 0.95);
}

.stat-heart {
  top: 10%;
  right: -10%;
  animation-delay: 0s;
}

.stat-oxygen {
  bottom: 15%;
  left: -10%;
  animation-delay: 1.5s;
}

@keyframes floatCard {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.stat-icon {
  font-size: 1.5rem;
  line-height: 1;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.stat-unit {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* 健康标签样式 */
.health-labels text {
  font-weight: 600;
  letter-spacing: 0.05em;
}

/* 响应式调整 */
@media (max-width: 1200px) {
  .ring-showcase {
    max-width: 350px;
  }
  
  .stat-heart {
    right: -5%;
  }
  
  .stat-oxygen {
    left: -5%;
  }
}

@media (max-width: 900px) {
  .ring-showcase {
    max-width: 300px;
  }
  
  .stat-card {
    padding: 8px 12px;
  }
  
  .stat-value {
    font-size: 1.25rem;
  }
  
  .stat-icon {
    font-size: 1.25rem;
  }
  
  .stat-heart {
    top: 5%;
    right: 0;
  }
  
  .stat-oxygen {
    bottom: 10%;
    left: 0;
  }
}

@media (max-width: 768px) {
  .ring-showcase {
    max-width: 280px;
  }
  
  .floating-stats {
    display: none;
  }
  
  .ring-glow-bg {
    filter: blur(30px);
  }
}

@media (max-width: 600px) {
  .ring-showcase {
    max-width: 240px;
  }
  
  .ring-svg {
    max-width: 240px;
  }
}

/* ===== 打印样式 ===== */
@media print {
  .navbar,
  .footer,
  .btn,
  .download-btn {
    display: none !important;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
  
  .hero,
  .section-bg {
    background: white !important;
    border: 1px solid #ccc !important;
  }
}

/* ===== APP功能展示区域 - 模仿APP UI ===== */
.app-features-section {
  padding: clamp(4rem, 10vw, 8rem) 0;
}

.section-subtitle {
  text-align: center;
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-3xl);
  font-weight: 400;
}

.app-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.app-feature-card {
  position: relative;
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.98) 0%, 
    rgba(250, 248, 255, 0.95) 100%);
  border: none;
  border-radius: 28px;
  padding: var(--spacing-xl);
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 
    0 8px 32px rgba(124, 58, 237, 0.08),
    0 2px 8px rgba(124, 58, 237, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(40px) saturate(180%);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  overflow: hidden;
  isolation: isolate;
}

.app-feature-card::before {
  content: '';
  position: absolute;
  bottom: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, 
    rgba(124, 58, 237, 0.06) 0%, 
    transparent 70%);
  opacity: 0;
  transition: all 0.6s ease;
  z-index: -1;
}

.app-feature-card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: 
    0 16px 48px rgba(124, 58, 237, 0.15),
    0 4px 16px rgba(124, 58, 237, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 1);
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 1) 0%, 
    rgba(250, 248, 255, 0.98) 100%);
}

.app-feature-card:hover::before {
  opacity: 1;
}

.app-feature-card-large {
  grid-column: span 2;
}

.app-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.app-card-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--text-primary);
}

.app-card-icon {
  font-size: 1.25rem;
  line-height: 1;
}

.app-card-badge {
  padding: 4px 12px;
  border-radius: 12px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  background: rgba(239, 68, 68, 0.1);
  color: #dc2626;
}

.app-card-badge.badge-success {
  background: rgba(34, 197, 94, 0.1);
  color: #16a34a;
}

.app-card-badge.badge-warning {
  background: rgba(251, 146, 60, 0.1);
  color: #ea580c;
}

.app-card-value {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-xs);
  margin: var(--spacing-sm) 0;
}

.value-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.value-unit {
  font-size: var(--font-size-base);
  color: var(--text-muted);
  font-weight: 500;
}

.value-unit-small {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  font-weight: 500;
}

.app-card-footer {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.footer-icon {
  font-size: 1rem;
}

.footer-text {
  font-weight: 400;
}

.footer-time {
  color: var(--text-muted);
  font-size: var(--font-size-xs);
}

/* 睡眠分析卡片 */
.sleep-score-container {
  display: flex;
  gap: var(--spacing-2xl);
  align-items: center;
  padding: var(--spacing-lg) 0;
}

.sleep-score-circle {
  position: relative;
  width: 120px;
  height: 120px;
  flex-shrink: 0;
}

.score-svg {
  width: 100%;
  height: 100%;
  transform: rotate(0deg);
}

.score-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.score-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}

.score-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-top: 4px;
}

.sleep-details {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.sleep-detail-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.detail-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  min-width: 120px;
}

.detail-value {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--text-primary);
}

.detail-positive {
  color: #16a34a;
}

.detail-badge {
  padding: 2px 8px;
  border-radius: 8px;
  font-size: var(--font-size-xs);
  font-weight: 600;
}

/* 响应式调整 */
@media (max-width: 900px) {
  .app-feature-card-large {
    grid-column: span 1;
  }
  
  .sleep-score-container {
    flex-direction: column;
    gap: var(--spacing-lg);
  }
  
  .sleep-details {
    width: 100%;
  }
}

@media (max-width: 600px) {
  .app-features-grid {
    grid-template-columns: 1fr;
  }
  
  .value-number {
    font-size: 2rem;
  }
  
  .sleep-score-circle {
    width: 100px;
    height: 100px;
  }
  
  .score-number {
    font-size: 1.5rem;
  }
}
/* ===== 首页Hero区域优化 ===== */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(124, 58, 237, 0.2);
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
  box-shadow: 0 2px 12px rgba(124, 58, 237, 0.1);
}

.hero-badge svg {
  color: var(--primary);
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-2xl);
  font-weight: 500;
}

.hero-stats {
  display: flex;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
  flex-wrap: wrap;
}

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

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 16px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-normal);
  cursor: pointer;
  border: none;
}

.cta-btn.primary {
  background: linear-gradient(135deg, #a78bfa 0%, #8b5cf6 100%);
  color: white;
  box-shadow: 0 8px 32px rgba(139, 92, 246, 0.4);
}

.cta-btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(124, 58, 237, 0.4);
}

.cta-btn.secondary {
  background: rgba(255, 255, 255, 0.85);
  color: var(--primary);
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: 0 8px 24px rgba(124, 58, 237, 0.15);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.cta-btn.secondary:hover {
  background: white;
  border-color: var(--primary);
  transform: translateY(-2px);
}

/* ===== 服务区域样式 ===== */
.services-section {
  padding: var(--spacing-4xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.section-desc {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
  max-width: 1200px;
  margin: 0 auto;
}

.service-card {
  position: relative;
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.95) 0%, 
    rgba(250, 248, 255, 0.9) 100%);
  border: none;
  border-radius: 32px;
  padding: var(--spacing-2xl);
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  backdrop-filter: blur(40px) saturate(180%);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  box-shadow: 
    0 8px 32px rgba(124, 58, 237, 0.08),
    0 2px 8px rgba(124, 58, 237, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  overflow: hidden;
  isolation: isolate;
}

.service-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, 
    rgba(251, 146, 60, 0.08) 0%, 
    rgba(124, 58, 237, 0.05) 30%, 
    transparent 70%);
  opacity: 0;
  transition: all 0.6s ease;
  z-index: -1;
}

.service-card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: 
    0 20px 60px rgba(124, 58, 237, 0.2),
    0 8px 24px rgba(124, 58, 237, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 1);
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 1) 0%, 
    rgba(250, 248, 255, 0.98) 100%);
}

.service-card:hover::before {
  opacity: 1;
  transform: rotate(-45deg);
}

.service-icon-wrapper {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, 
    rgba(124, 58, 237, 0.12) 0%, 
    rgba(251, 146, 60, 0.08) 100%);
  border-radius: 24px;
  margin: 0 auto var(--spacing-xl);
  color: var(--primary);
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: visible;
}

.service-icon-wrapper::before {
  content: '';
  position: absolute;
  inset: -4px;
  background: linear-gradient(135deg, 
    var(--accent-orange) 0%, 
    var(--primary) 100%);
  border-radius: 26px;
  opacity: 0;
  filter: blur(20px);
  transition: opacity 0.4s ease;
  z-index: -1;
}

.service-card:hover .service-icon-wrapper {
  transform: translateY(-8px) rotate(8deg) scale(1.15);
  background: linear-gradient(135deg, 
    rgba(124, 58, 237, 0.2) 0%, 
    rgba(251, 146, 60, 0.15) 100%);
  box-shadow: 
    0 12px 32px rgba(251, 146, 60, 0.25),
    0 4px 12px rgba(124, 58, 237, 0.15);
}

.service-card:hover .service-icon-wrapper::before {
  opacity: 0.6;
}

.service-icon-wrapper svg {
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  filter: drop-shadow(0 2px 8px rgba(124, 58, 237, 0.3));
}

.service-card:hover .service-icon-wrapper svg {
  transform: scale(1.1) rotate(-8deg);
  filter: drop-shadow(0 4px 16px rgba(251, 146, 60, 0.4));
}

.service-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
  transition: all 0.3s ease;
  text-align: center;
}

.service-card:hover .service-title {
  background: linear-gradient(135deg, var(--accent-orange) 0%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.service-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  transition: color 0.3s ease;
  text-align: center;
}

.service-card:hover .service-desc {
  color: var(--text-primary);
}

/* ===== 会员区域样式 ===== */
.membership-section {
  padding: var(--spacing-4xl) 0;
  overflow: hidden;
}

.membership-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.membership-badge {
  display: inline-block;
  padding: 6px 16px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent-orange) 100%);
  color: white;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  box-shadow: 0 4px 16px rgba(124, 58, 237, 0.3);
}

.membership-info h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.membership-intro {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-2xl);
}

.membership-benefits {
  list-style: none;
  margin-bottom: var(--spacing-2xl);
}

.membership-benefits li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md) 0;
  font-size: 1rem;
  color: var(--text-secondary);
}

.membership-benefits li svg {
  flex-shrink: 0;
  color: var(--primary);
  margin-top: 2px;
}

.membership-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  border-radius: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-normal);
  box-shadow: 0 8px 24px rgba(124, 58, 237, 0.3);
}

.membership-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(124, 58, 237, 0.4);
  color: white;
}

.membership-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.membership-card {
  position: relative;
  width: 100%;
  max-width: 400px;
  aspect-ratio: 1.6 / 1;
  background: linear-gradient(135deg, #7c3aed 0%, #a855f7 50%, #fb923c 100%);
  border-radius: 24px;
  padding: var(--spacing-2xl);
  box-shadow: 0 20px 60px rgba(124, 58, 237, 0.4);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.membership-card:hover {
  transform: translateY(-8px) rotate(-2deg);
  box-shadow: 0 24px 72px rgba(124, 58, 237, 0.5);
}

.card-shine {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.3) 50%, transparent 70%);
  animation: cardShine 3s ease-in-out infinite;
}

@keyframes cardShine {
  0%, 100% {
    transform: translateX(-100%) translateY(-100%);
  }
  50% {
    transform: translateX(100%) translateY(100%);
  }
}

.card-content {
  position: relative;
  z-index: 2;
  color: white;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card-logo {
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
}

.card-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: auto;
}

.card-features {
  display: flex;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-md);
}

.card-feature-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
}

.feature-icon-small {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 6px;
}

/* ===== 公司介绍区域样式 ===== */
.company-section {
  padding: var(--spacing-4xl) 0;
}

.company-content {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.company-info h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  line-height: 1.3;
}

.company-tagline {
  font-size: 1.125rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: var(--spacing-xl);
}

.company-description {
  margin-bottom: var(--spacing-2xl);
}

.company-description p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.company-highlights {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.highlight-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-xl);
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.95) 0%, 
    rgba(250, 248, 255, 0.9) 100%);
  border: none;
  border-radius: 24px;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 
    0 4px 16px rgba(124, 58, 237, 0.06),
    0 1px 4px rgba(124, 58, 237, 0.03),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(30px) saturate(160%);
  -webkit-backdrop-filter: blur(30px) saturate(160%);
  overflow: hidden;
  isolation: isolate;
}

.highlight-item::before {
  display: none;
}

.highlight-item:hover {
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 1) 0%, 
    rgba(250, 248, 255, 0.98) 100%);
  transform: translateX(12px);
  box-shadow: 
    0 8px 32px rgba(124, 58, 237, 0.15),
    0 2px 8px rgba(124, 58, 237, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 1);
}

.highlight-item:hover::before {
  display: none;
}

.highlight-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, 
    rgba(124, 58, 237, 0.12) 0%, 
    rgba(251, 146, 60, 0.08) 100%);
  border-radius: 20px;
  color: var(--primary);
  flex-shrink: 0;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: visible;
}

.highlight-icon::before {
  content: '';
  position: absolute;
  inset: -3px;
  background: linear-gradient(135deg, 
    var(--primary) 0%, 
    var(--accent-orange) 100%);
  border-radius: 22px;
  opacity: 0;
  filter: blur(16px);
  transition: opacity 0.4s ease;
  z-index: -1;
}

.highlight-item:hover .highlight-icon {
  transform: scale(1.1) rotate(-5deg);
  background: linear-gradient(135deg, 
    rgba(124, 58, 237, 0.2) 0%, 
    rgba(251, 146, 60, 0.15) 100%);
  box-shadow: 
    0 8px 24px rgba(124, 58, 237, 0.2),
    0 2px 8px rgba(251, 146, 60, 0.12);
}

.highlight-item:hover .highlight-icon::before {
  opacity: 0.5;
}

.highlight-icon svg {
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  filter: drop-shadow(0 2px 6px rgba(124, 58, 237, 0.25));
}

.highlight-item:hover .highlight-icon svg {
  transform: scale(1.1) rotate(5deg);
  filter: drop-shadow(0 3px 10px rgba(251, 146, 60, 0.35));
}

.highlight-text {
  flex: 1;
}

.highlight-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.highlight-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.company-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--primary);
  border: 1px solid rgba(124, 58, 237, 0.2);
  border-radius: 12px;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-normal);
}

.company-link:hover {
  background: white;
  border-color: var(--primary);
  transform: translateX(4px);
  color: var(--primary);
}

.company-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.company-stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  width: 100%;
}

.stat-card-large {
  position: relative;
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.95) 0%, 
    rgba(250, 248, 255, 0.9) 100%);
  border: none;
  border-radius: 28px;
  padding: var(--spacing-2xl);
  text-align: center;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  backdrop-filter: blur(40px) saturate(180%);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  box-shadow: 
    0 8px 32px rgba(124, 58, 237, 0.08),
    0 2px 8px rgba(124, 58, 237, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  overflow: hidden;
  isolation: isolate;
}

.stat-card-large::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at top right, 
    rgba(124, 58, 237, 0.08) 0%, 
    transparent 60%);
  opacity: 0;
  transition: opacity 0.6s ease;
  z-index: -1;
}

.stat-card-large:hover {
  transform: translateY(-12px) scale(1.03);
  box-shadow: 
    0 20px 60px rgba(124, 58, 237, 0.2),
    0 8px 24px rgba(124, 58, 237, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 1);
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 1) 0%, 
    rgba(250, 248, 255, 0.98) 100%);
}

.stat-card-large:hover::before {
  opacity: 1;
}

.stat-icon-large {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.1) 0%, rgba(251, 146, 60, 0.1) 100%);
  border-radius: 16px;
  color: var(--primary);
}

.stat-number-large {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: var(--spacing-sm);
}

.stat-label-large {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
  .membership-content,
  .company-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
  }
  
  .membership-visual,
  .company-visual {
    order: -1;
  }
  
  .membership-card {
    max-width: 500px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .hero-stats {
    gap: var(--spacing-lg);
  }
  
  .stat-number {
    font-size: 1.5rem;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .company-stats-grid {
    grid-template-columns: 1fr;
  }
  
  .highlight-item {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 600px) {
  .hero-cta {
    flex-direction: column;
    width: 100%;
  }
  
  .cta-btn {
    width: 100%;
    justify-content: center;
  }
  
  .membership-benefits li {
    font-size: 0.9375rem;
  }
  
  .card-features {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}