/* ===========================
   高端现代设计系统 - 白泽传媒
   =========================== */

/* 导入高端字体 */
@import url('https://fonts.font.im/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Playfair+Display:wght@700;900&display=swap');

/* CSS 变量定义 */
:root {
  /* 优雅配色系统 - 更现代的色彩 */
  --primary: #4f46e5;
  --primary-light: #6366f1;
  --primary-dark: #4338ca;
  --secondary: #7c3aed;
  --accent: #ec4899;
  --success: #10b981;
  --warning: #f59e0b;

  /* 中性色调 */
  --gray-900: #091e42;
  --gray-800: #172b4d;
  --gray-700: #253858;
  --gray-600: #344563;
  --gray-500: #42526e;
  --gray-400: #5e6c84;
  --gray-300: #7a869a;
  --gray-200: #97a0af;
  --gray-100: #b3bac5;
  --gray-50: #f4f5f7;
  --white: #ffffff;

  /* 优雅渐变 - 更丰富的渐变 */
  --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --gradient-4: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
  --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
  --gradient-mesh: radial-gradient(at 40% 20%, hsla(28, 100%, 74%, 1) 0px, transparent 50%),
    radial-gradient(at 80% 0%, hsla(189, 100%, 56%, 1) 0px, transparent 50%),
    radial-gradient(at 0% 50%, hsla(355, 100%, 93%, 1) 0px, transparent 50%),
    radial-gradient(at 80% 50%, hsla(340, 100%, 76%, 1) 0px, transparent 50%),
    radial-gradient(at 0% 100%, hsla(22, 100%, 77%, 1) 0px, transparent 50%),
    radial-gradient(at 80% 100%, hsla(242, 100%, 70%, 1) 0px, transparent 50%),
    radial-gradient(at 0% 0%, hsla(343, 100%, 76%, 1) 0px, transparent 50%);

  /* 阴影系统 - 更柔和的阴影 */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.1), 0 4px 8px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 24px 48px rgba(0, 0, 0, 0.12), 0 12px 24px rgba(0, 0, 0, 0.08);
  --shadow-2xl: 0 32px 64px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 0 20px rgba(79, 70, 229, 0.3);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);

  /* 间距系统 */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* 圆角 */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
  --radius-full: 9999px;

  /* 动画 */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* 暗色主题 */
[data-theme='dark'] {
  /* 优雅配色系统 */
  --primary: #2684ff;
  --primary-light: #5ba3ff;
  --primary-dark: #0052cc;
  --secondary: #7b68ee;
  --accent: #ff6b4a;
  --success: #52c41a;
  --warning: #faad14;

  /* 中性色调 - 暗色模式 */
  --gray-900: #f4f5f7;
  --gray-800: #e4e7eb;
  --gray-700: #c9cdd2;
  --gray-600: #9ea5ad;
  --gray-500: #737d89;
  --gray-400: #505966;
  --gray-300: #374151;
  --gray-200: #2d3748;
  --gray-100: #1f2937;
  --gray-50: #111827;
  --white: #0f172a;

  /* 优雅渐变 - 暗色调整 */
  --gradient-1: linear-gradient(135deg, #7b68ee 0%, #9b59b6 100%);
  --gradient-2: linear-gradient(135deg, #ff6b9d 0%, #fe5858 100%);
  --gradient-3: linear-gradient(135deg, #66d3fa 0%, #3dafff 100%);
  --gradient-4: linear-gradient(135deg, #fdb913 0%, #f97b8b 100%);

  /* 阴影系统 - 暗色模式 */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

/* ===========================
   基础样式 & 性能优化
   =========================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  /* 避免不必要的重绘 */
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

/* 滚动容器优化 */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  font-size: 16px;
  /* 启用平滑滚动的同时保持性能 */
  -webkit-overflow-scrolling: touch;
  /* 主题切换过渡 */
  transition: background-color var(--transition-base);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--gray-900);
  line-height: 1.6;
  background: var(--white);
  overflow-x: hidden;
  /* 优化渲染性能 */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* 主题切换过渡 */
  transition: background-color var(--transition-base), color var(--transition-base);
  position: relative;
}

/* 添加微妙的背景纹理 */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(circle at 20% 80%, rgba(79, 70, 229, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(124, 58, 237, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(236, 72, 153, 0.03) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* 对频繁动画的元素使用 will-change */
.navbar,
.hero-decoration,
.orbit,
.stat-card,
.service-item,
.feature-card,
.bento-item,
.info-card,
.scroll-top {
  will-change: transform;
}

/* 主题切换通用过渡 */
.navbar::before,
.nav-link,
.theme-toggle,
.hero,
.stat-card,
.bento-item,
.service-item,
.feature-card,
.info-card,
.contact-form-wrapper,
.notification,
.footer,
.badge,
.section-label,
.section-title,
.section-subtitle {
  transition: background-color var(--transition-base), color var(--transition-base),
    border-color var(--transition-base), box-shadow var(--transition-base);
}

/* 动画结束后移除 will-change */
.animated {
  will-change: auto;
}

/* 优雅的选中样式 */
::selection {
  background: var(--primary-light);
  color: var(--white);
}

/* 暗色模式特定样式 */
[data-theme='dark'] body {
  background: var(--gray-50);
  color: var(--gray-900);
}

[data-theme='dark'] ::selection {
  background: var(--primary);
  color: var(--gray-50);
}

/* 高端滚动条 */
::-webkit-scrollbar {
  width: 12px;
}

::-webkit-scrollbar-track {
  background: var(--gray-50);
}

::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: var(--radius-full);
  border: 3px solid var(--gray-50);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-400);
}

/* ===========================
   布局容器
   =========================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

@media (min-width: 1440px) {
  .container {
    max-width: 1320px;
  }
}

/* ===========================
   加载动画
   =========================== */
.loader {
  position: fixed;
  inset: 0;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity var(--transition-slow);
}

.loader.hidden {
  opacity: 0;
  pointer-events: none;
}

.loader-inner {
  width: 80px;
  height: 80px;
  position: relative;
}

.loader-inner span {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 3px solid transparent;
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: loader-spin 1s cubic-bezier(0.68, -0.55, 0.265, 1.55) infinite;
}

.loader-inner span:nth-child(2) {
  width: 70%;
  height: 70%;
  top: 15%;
  left: 15%;
  border-top-color: var(--secondary);
  animation-delay: 0.2s;
}

.loader-inner span:nth-child(3) {
  width: 40%;
  height: 40%;
  top: 30%;
  left: 30%;
  border-top-color: var(--accent);
  animation-delay: 0.4s;
}

@keyframes loader-spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* ===========================
   面包屑导航
   =========================== */
.breadcrumb-nav {
  background: var(--white);
  border-bottom: 1px solid var(--gray-100);
  padding: var(--space-sm) 0;
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  z-index: 999;
  transition: all var(--transition-base);
}

.breadcrumb {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.875rem;
}

.breadcrumb-item {
  display: flex;
  align-items: center;
}

.breadcrumb-item:not(:last-child)::after {
  content: '/';
  margin: 0 var(--space-sm);
  color: var(--gray-400);
}

.breadcrumb-link {
  color: var(--gray-600);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.breadcrumb-current {
  color: var(--gray-900);
  font-weight: 500;
}

/* ===========================
   导航栏
   =========================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all var(--transition-base) cubic-bezier(0.4, 0, 0.2, 1);
  /* 使用 transform 而不是 top 以获得更好的性能 */
  transform: translateY(0);
}

.navbar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.98) 0%,
    rgba(255, 255, 255, 0.95) 100%
  );
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  z-index: -1;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.navbar.scrolled {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05), 0 10px 40px rgba(0, 0, 0, 0.08);
}

.navbar.scrolled::before {
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.99) 0%,
    rgba(255, 255, 255, 0.97) 100%
  );
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.brand-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.375rem;
  color: var(--white);
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
  transition: all var(--transition-base) cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.brand-icon::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  transform: translate(-50%, -50%) scale(0);
  transition: transform var(--transition-base);
}

.brand-icon:hover {
  transform: translateY(-2px) scale(1.05) rotate(-5deg);
  box-shadow: 0 8px 20px rgba(79, 70, 229, 0.4);
}

.brand-icon:hover::before {
  transform: translate(-50%, -50%) scale(1);
}

.brand-text h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -0.02em;
}

.tagline {
  font-size: 0.75rem;
  color: var(--gray-500);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-xs);
}

.nav-link {
  padding: var(--space-sm) var(--space-lg);
  color: var(--gray-700);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9375rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--primary);
  background: var(--gray-50);
}

.nav-link.active {
  color: var(--primary);
  background: rgba(0, 82, 204, 0.08);
}

.theme-toggle {
  width: 42px;
  height: 42px;
  border: none;
  background: var(--gray-50);
  color: var(--gray-700);
  border-radius: var(--radius-full);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: var(--space-md);
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background: var(--gray-100);
  transform: rotate(180deg);
}

.hamburger {
  display: none;
}

/* ===========================
   英雄区 - 极简主义
   =========================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  position: relative;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  overflow: hidden;
  /* 创建独立的合成层 */
  transform: translateZ(0);
  /* 防止子元素溢出影响性能 */
  contain: layout style paint;
}

/* 动态背景 */
.hero::before {
  content: '';
  position: absolute;
  width: 200%;
  height: 200%;
  top: -50%;
  left: -50%;
  background: radial-gradient(circle at 20% 80%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(245, 87, 108, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(0, 242, 254, 0.1) 0%, transparent 50%);
  animation: gradient-animation 30s ease infinite;
  /* 使用 GPU 加速 */
  transform: translateZ(0);
}

@keyframes gradient-animation {
  0% {
    transform: translateZ(0) rotate(0deg);
  }
  100% {
    transform: translateZ(0) rotate(360deg);
  }
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-lg);
  background: var(--white);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-700);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-xl);
}

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

.hero-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: var(--space-xl);
  letter-spacing: -0.03em;
}

.title-line {
  display: block;
}

.gradient-text {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--gray-600);
  margin-bottom: var(--space-2xl);
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
}

/* 高端按钮设计 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-md);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  font-size: 0.9375rem;
  position: relative;
  overflow: hidden;
  /* 使用 transform 而不是改变尺寸 */
  transform: translateZ(0);
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 14px 0 rgba(0, 82, 204, 0.25);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 rgba(0, 82, 204, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--gray-700);
  border: 2px solid var(--gray-300);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(0, 82, 204, 0.04);
}

.btn-large {
  padding: var(--space-lg) var(--space-2xl);
  font-size: 1.0625rem;
}

/* 英雄区右侧 - 数据展示 */
.hero-visual {
  position: relative;
}

.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.stat-card {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
  overflow: hidden;
  /* 创建合成层 */
  transform: translateZ(0);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-1);
}

.stat-card:nth-child(2)::before {
  background: var(--gradient-2);
}
.stat-card:nth-child(3)::before {
  background: var(--gradient-3);
}
.stat-card:nth-child(4)::before {
  background: var(--gradient-4);
}

.stat-card:hover {
  transform: translate3d(0, -8px, 0);
}

.stat-icon {
  width: 48px;
  height: 48px;
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--primary);
  margin-bottom: var(--space-md);
}

/* 统计数字容器样式 */
.stat-number-container {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: var(--space-xs);
}

/* 统计数字样式调整 */
.stat-number {
  display: inline-block;
  margin-bottom: 0;
  /* 保留原有样式 */
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--gray-900);
  font-variant-numeric: tabular-nums;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: var(--space-xs);
  font-variant-numeric: tabular-nums;
}

/* +符号样式 */
.stat-plus {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--gray-900);
  vertical-align: baseline;
}

.stat-label {
  color: var(--gray-600);
  font-size: 0.875rem;
  font-weight: 500;
}

.stat-unit {
  font-size: 0.75rem;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* 进度条卡片 */
.stat-progress {
  position: relative;
  width: 180px;
  height: 180px;
  margin: 0 auto;
}

.stat-progress svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.progress-bg {
  fill: none;
  stroke: var(--gray-100);
  stroke-width: 8;
}

.progress-fill {
  fill: none;
  stroke: url(#gradient);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 283;
  stroke-dashoffset: 283;
  transition: stroke-dashoffset 1.5s cubic-bezier(0.4, 0, 0.2, 1);
  /* GPU 加速 */
  transform: translateZ(0);
}

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

.progress-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--gray-900);
}

.progress-label {
  font-size: 0.75rem;
  color: var(--gray-600);
}

/* 装饰元素 */
.hero-decoration {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) translateZ(0);
  width: 600px;
  height: 600px;
  pointer-events: none;
  opacity: 0.1;
  /* 降低复杂度 */
  will-change: transform;
}

.orbit {
  position: absolute;
  border: 2px solid var(--primary);
  border-radius: 50%;
  /* GPU 加速 */
  transform: translateZ(0);
}

.orbit-1 {
  width: 100%;
  height: 100%;
  animation: orbit 30s linear infinite;
}

.orbit-2 {
  width: 70%;
  height: 70%;
  top: 15%;
  left: 15%;
  animation: orbit 20s linear infinite reverse;
  border-color: var(--secondary);
}

.orbit-3 {
  width: 40%;
  height: 40%;
  top: 30%;
  left: 30%;
  animation: orbit 15s linear infinite;
  border-color: var(--accent);
}

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

/* ===========================
   关于我们 - 优雅布局
   =========================== */
.about-section {
  padding: var(--space-4xl) 0;
  background: var(--gray-50);
  /* 创建独立的合成层 */
  transform: translateZ(0);
  /* 防止子元素溢出影响性能 */
  contain: layout style paint;
}

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

.section-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 900;
  color: var(--gray-900);
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Bento Grid */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-lg);
  grid-auto-rows: minmax(100px, auto);
}

.bento-item {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.bento-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.bento-large {
  grid-column: span 12;
  grid-row: span 2;
}

.bento-medium {
  grid-column: span 6;
  grid-row: span 2;
}

.bento-small {
  grid-column: span 4;
  grid-row: span 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.bento-content h3 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--space-lg);
}

.bento-content p {
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.team-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: var(--gradient-1);
  color: var(--white);
  border-radius: var(--radius-full);
  font-weight: 600;
  box-shadow: var(--shadow-md);
}

.bento-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--white);
  margin-bottom: var(--space-lg);
  box-shadow: var(--shadow-md);
}

.bento-medium:nth-child(3) .bento-icon {
  background: var(--gradient-2);
}

.counter-box {
  text-align: center;
}

.counter-value {
  font-size: 3rem;
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1;
}

.counter-label {
  color: var(--gray-600);
  font-size: 0.875rem;
  margin-top: var(--space-xs);
}

.gradient-card {
  background: var(--gradient-1);
  color: var(--white);
}

.gradient-card .counter-value,
.gradient-card .counter-label {
  color: var(--white);
}

/* ===========================
   服务产品 - 卡片设计
   =========================== */
.services-section {
  padding: var(--space-4xl) 0;
  background: var(--white);
}

.services-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-3xl);
}

.service-item {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
  overflow: hidden;
  /* 创建合成层 */
  transform: translateZ(0);
}

.service-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-1);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.service-item:hover {
  border-color: transparent;
  box-shadow: var(--shadow-xl);
  transform: translate3d(0, -8px, 0);
}

.service-item:hover::after {
  transform: scaleX(1);
}

.service-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
}

.service-icon-wrapper {
  width: 64px;
  height: 64px;
  background: var(--gradient-1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.service-item:nth-child(2) .service-icon-wrapper {
  background: var(--gradient-2);
}

.service-item:nth-child(3) .service-icon-wrapper {
  background: var(--gradient-3);
}

.service-number {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--gray-50);
  line-height: 1;
}

.service-item h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--space-md);
}

.service-item p {
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.service-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.service-features li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--gray-600);
  font-size: 0.9375rem;
}

.service-features i {
  color: var(--success);
  font-size: 14px;
}

/* 询盘通特别展示 */
.special-service {
  background: var(--gradient-1);
  border-radius: var(--radius-2xl);
  padding: var(--space-3xl);
  color: var(--white);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  position: relative;
  overflow: hidden;
}

.special-service::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.5);
    opacity: 0.8;
  }
}

.special-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
}

.special-service h3 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: var(--space-lg);
}

.special-service p {
  font-size: 1.125rem;
  line-height: 1.8;
  opacity: 0.9;
  margin-bottom: var(--space-xl);
}

.special-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

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

.feature-item i {
  font-size: 32px;
  margin-bottom: var(--space-sm);
}

.feature-item span {
  display: block;
  font-weight: 600;
}

.special-service-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.visual-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  transform: rotate(3deg);
  transition: all var(--transition-base);
}

.special-service:hover .visual-card {
  transform: rotate(-3deg) scale(1.05);
}

.visual-icon {
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  margin: 0 auto var(--space-lg);
}

.visual-stats {
  display: flex;
  gap: var(--space-2xl);
  justify-content: center;
}

.stat span {
  display: block;
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 800;
}

/* ===========================
   核心优势 - 网格布局
   =========================== */
.features-section {
  padding: var(--space-4xl) 0;
  background: var(--gray-50);
}

.features-mosaic {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
  overflow: hidden;
  /* 创建合成层 */
  transform: translateZ(0);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: var(--gradient-1);
  opacity: 0.05;
  transform: rotate(45deg);
  transition: all var(--transition-base);
}

.feature-card:hover::before {
  opacity: 0.1;
}

.feature-card:hover {
  transform: translate3d(0, -8px, 0);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--white);
  margin-bottom: var(--space-lg);
  box-shadow: var(--shadow-md);
}

.feature-risk .feature-icon {
  background: var(--gradient-2);
}
.feature-global .feature-icon {
  background: var(--gradient-3);
}
.feature-data .feature-icon {
  background: var(--gradient-4);
}

.feature-card h4 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--space-md);
}

.feature-card p {
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.feature-highlight {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: var(--gray-50);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
}

/* ===========================
   相关内容推荐
   =========================== */
.related-content-section {
  padding: var(--space-3xl) 0;
  background: var(--gray-50);
  border-top: 1px solid var(--gray-100);
}

.related-content-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--gray-900);
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.related-content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}

.related-content-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-base);
  border: 1px solid var(--gray-100);
}

.related-content-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.related-content-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--white);
  margin: 0 auto var(--space-lg);
  box-shadow: var(--shadow-md);
}

.related-content-card h4 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--space-md);
}

.related-content-card p {
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
}

.related-content-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.related-content-link:hover {
  color: var(--primary-dark);
  transform: translateX(4px);
}

.related-content-link i {
  font-size: 0.875rem;
  transition: transform var(--transition-fast);
}

.related-content-link:hover i {
  transform: translateX(2px);
}

/* ===========================
   联系我们 - 现代布局
   =========================== */
.contact-section {
  padding: var(--space-4xl) 0;
  background: var(--white);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.contact-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin: var(--space-2xl) 0;
}

.info-card {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-lg);
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.info-card:hover {
  background: var(--white);
  box-shadow: var(--shadow-lg);
  transform: translateX(8px);
}

.info-icon {
  width: 50px;
  height: 50px;
  background: var(--gradient-1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--white);
  flex-shrink: 0;
}

.info-content h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--space-xs);
}

.info-content p {
  color: var(--gray-600);
  margin: 0;
}

.social-links h4 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--space-md);
}

.social-icons {
  display: flex;
  gap: var(--space-md);
}

.social-icon {
  width: 48px;
  height: 48px;
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-700);
  text-decoration: none;
  transition: all var(--transition-base);
}

.social-icon:hover {
  background: var(--gradient-1);
  color: var(--white);
  transform: translateY(-4px);
}

/* 表单设计 */
.contact-form-wrapper {
  background: var(--gray-50);
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
}

.form-header {
  margin-bottom: var(--space-xl);
}

.form-header h3 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--space-xs);
}

.form-header p {
  color: var(--gray-600);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
  justify-items: center; /* 网格项水平居中 */
}

.form-group {
  position: relative;
  width: 100%; /* 确保表单组占满网格单元格 */
  max-width: 400px; /* 限制最大宽度，实现居中效果 */
}

.form-group-full {
  grid-column: span 1;
  display: block; /* 改为block布局，与.form-group保持一致 */
  width: 100%; /* 确保占满可用宽度 */
  max-width: 400px; /* 与.form-group保持一致的最大宽度 */
  margin: 0 auto; /* 添加水平居中 */
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--space-md);
  padding-top: var(--space-lg);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  background: var(--white);
  font-size: 1rem;
  font-family: inherit;
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 82, 204, 0.1);
}

.form-group label {
  position: absolute;
  top: 20%;
  left: var(--space-md);
  transform: translateY(-50%);
  color: var(--gray-500);
  font-size: 1rem;
  pointer-events: none;
  transition: all var(--transition-fast);
}

.form-group textarea + label {
  top: var(--space-lg);
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group select:valid + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
  top: var(--space-xs);
  font-size: 0.75rem;
  color: var(--primary);
  background: var(--white);
  padding: 0 var(--space-xs);
}

/* ===========================
   页脚 - 简约设计
   =========================== */
.footer {
  background: var(--gray-900);
  color: var(--white);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-2xl);
}

.footer-main {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.footer-brand .brand-icon {
  width: 50px;
  height: 50px;
  background: var(--gradient-1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--white);
}

.footer-brand h3 {
  font-size: 1.5rem;
  font-weight: 700;
}

.footer-desc {
  color: var(--gray-300);
  line-height: 1.8;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
}

.footer-column h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.footer-column ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-column a {
  color: var(--gray-300);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-column a:hover {
  color: var(--white);
}

.footer-column li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--gray-300);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--gray-800);
}

.footer-badges {
  display: flex;
  gap: var(--space-md);
}

.badge {
  padding: var(--space-xs) var(--space-md);
  background: var(--gray-800);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
}

/* ===========================
   返回顶部按钮
   =========================== */
.scroll-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 50px;
  height: 50px;
  background: var(--gradient-1);
  color: var(--white);
  border: none;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-lg);
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* ===========================
   响应式设计
   =========================== */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-visual {
    margin-top: var(--space-2xl);
  }

  .bento-medium {
    grid-column: span 12;
  }

  .bento-small {
    grid-column: span 6;
  }

  .features-mosaic {
    grid-template-columns: 1fr;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
  }

  .special-service {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .special-features {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    z-index: 1001;
  }

  .hamburger span {
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    transition: all var(--transition-base);
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background: var(--white);
    width: 100%;
    text-align: center;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
    padding: var(--space-xl) 0;
    z-index: 1000;
    height: calc(100vh - 70px);
  }

  .nav-menu.active {
    left: 0;
  }

  .hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
  }

  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }

  .hero-title {
    font-size: 3rem;
  }

  .hero-stats-grid {
    grid-template-columns: 1fr;
  }

  .services-container {
    grid-template-columns: 1fr;
  }

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

  .form-group {
    grid-column: span 1 !important;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .bento-small {
    grid-column: span 12;
  }

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

  .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ===========================
   动画效果
   =========================== */
[data-aos] {
  transition-property: transform, opacity;
}

[data-aos='fade-up'] {
  transform: translateY(30px);
  opacity: 0;
}

[data-aos='fade-up'].aos-animate {
  transform: translateY(0);
  opacity: 1;
}

[data-aos='fade-down'] {
  transform: translateY(-30px);
  opacity: 0;
}

[data-aos='fade-down'].aos-animate {
  transform: translateY(0);
  opacity: 1;
}

[data-aos='fade-left'] {
  transform: translateX(30px);
  opacity: 0;
}

[data-aos='fade-left'].aos-animate {
  transform: translateX(0);
  opacity: 1;
}

[data-aos='fade-right'] {
  transform: translateX(-30px);
  opacity: 0;
}

[data-aos='fade-right'].aos-animate {
  transform: translateX(0);
  opacity: 1;
}

/* 高级动画 */
@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

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

/* 辅助类 */
.text-center {
  text-align: center;
}
.text-gradient {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 性能优化 */
.will-change-transform {
  will-change: transform;
}

/* ===========================
   通知系统
   =========================== */
.notification {
  position: fixed;
  top: 100px;
  right: 20px;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-lg);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  transform: translate3d(400px, 0, 0);
  transition: transform var(--transition-base);
  z-index: 9999;
  max-width: 360px;
  border-left: 4px solid var(--primary);
}

.notification.show {
  transform: translate3d(0, 0, 0);
}

.notification-success {
  border-left-color: var(--success);
}

.notification-success i {
  color: var(--success);
}

.notification-error {
  border-left-color: var(--accent);
}

.notification-error i {
  color: var(--accent);
}

/* ===========================
   涟漪效果
   =========================== */
.btn,
.social-icon {
  position: relative;
  overflow: hidden;
}

.ripple {
  position: absolute;
  width: 20px;
  height: 20px;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  animation: ripple-animation 0.6s ease-out;
  pointer-events: none;
}

@keyframes ripple-animation {
  to {
    transform: translate(-50%, -50%) scale(20);
    opacity: 0;
  }
}

/* ===========================
   表单错误状态
   =========================== */
.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: var(--accent);
}

.error-message {
  display: block;
  color: var(--accent);
  font-size: 0.75rem;
  margin-top: var(--space-xs);
  animation: fadeIn var(--transition-fast);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 打印样式 */
@media print {
  .navbar,
  .scroll-top,
  .hamburger,
  .theme-toggle,
  .hero-decoration {
    display: none !important;
  }

  body {
    color: black;
    background: white;
  }

  .section-title {
    color: black;
  }
}

/* 减少动画复杂度 */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* 移动端性能优化 */
@media (max-width: 768px) {
  /* 移动端禁用某些动画 */
  .hero::before,
  .hero-decoration,
  .orbit {
    animation: none;
  }

  /* 简化阴影 */
  .stat-card,
  .service-item,
  .feature-card {
    box-shadow: var(--shadow-sm);
  }

  /* 禁用 will-change */
  * {
    will-change: auto !important;
  }
}

/* 优化滚动性能 */
.hero,
.about-section,
.services-section,
.features-section,
.contact-section {
  /* 创建独立的合成层 */
  transform: translateZ(0);
  /* 防止子元素溢出影响性能 */
  contain: layout style paint;
}

/* 优化图片和图标 */
img,
svg {
  /* 防止布局偏移 */
  height: auto;
  max-width: 100%;
  /* GPU 加速 */
  transform: translateZ(0);
}

/* 优化表单输入 */
.form-group input,
.form-group select,
.form-group textarea {
  /* 避免移动端缩放 */
  font-size: 16px;
  /* 优化聚焦性能 */
  outline-offset: -2px;
}

/* 优化按钮交互 */
.btn:active {
  transform: translateZ(0) scale(0.98);
}

/* ===========================
   暗色主题样式覆盖
   =========================== */

/* 导航栏 */
[data-theme='dark'] .navbar::before {
  background: rgba(17, 24, 39, 0.95);
}

[data-theme='dark'] .navbar.scrolled {
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}

[data-theme='dark'] .nav-link {
  color: var(--gray-300);
}

[data-theme='dark'] .nav-link:hover {
  color: var(--primary);
  background: var(--gray-100);
}

[data-theme='dark'] .nav-link.active {
  color: var(--primary);
  background: rgba(38, 132, 255, 0.1);
}

[data-theme='dark'] .theme-toggle {
  background: var(--gray-100);
  color: var(--gray-300);
}

[data-theme='dark'] .theme-toggle:hover {
  background: var(--gray-200);
}

/* 英雄区 */
[data-theme='dark'] .hero {
  background: linear-gradient(135deg, #1a1f36 0%, #0f172a 100%);
}

[data-theme='dark'] .hero-badge {
  background: var(--gray-100);
  color: var(--gray-300);
}

[data-theme='dark'] .stat-card {
  background: rgba(31, 41, 55, 0.8);
  border: 1px solid var(--gray-200);
}

[data-theme='dark'] .stat-icon {
  background: var(--gray-100);
  color: var(--primary);
}

/* 关于我们 */
[data-theme='dark'] .about-section {
  background: var(--gray-100);
}

[data-theme='dark'] .bento-item {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
}

[data-theme='dark'] .gradient-card {
  background: var(--gradient-1);
}

/* 服务产品 */
[data-theme='dark'] .services-section {
  background: var(--gray-50);
}

[data-theme='dark'] .service-item {
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
}

[data-theme='dark'] .special-service {
  background: var(--gradient-1);
}

[data-theme='dark'] .visual-card {
  background: rgba(31, 41, 55, 0.2);
  border: 1px solid rgba(75, 85, 99, 0.3);
}

/* 核心优势 */
[data-theme='dark'] .features-section {
  background: var(--gray-100);
}

[data-theme='dark'] .feature-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
}

[data-theme='dark'] .feature-highlight {
  background: var(--gray-100);
  color: var(--primary);
}

/* 联系我们 */
[data-theme='dark'] .contact-section {
  background: var(--gray-50);
}

[data-theme='dark'] .info-card {
  background: var(--gray-100);
}

[data-theme='dark'] .info-card:hover {
  background: var(--gray-200);
}

[data-theme='dark'] .social-icon {
  background: var(--gray-100);
  color: var(--gray-300);
}

[data-theme='dark'] .social-icon:hover {
  background: var(--gradient-1);
  color: var(--gray-50);
}

[data-theme='dark'] .contact-form-wrapper {
  background: var(--gray-100);
}

[data-theme='dark'] .form-group input,
[data-theme='dark'] .form-group select,
[data-theme='dark'] .form-group textarea {
  background: var(--gray-50);
  border-color: var(--gray-200);
  color: var(--gray-900);
}

[data-theme='dark'] .form-group input:focus,
[data-theme='dark'] .form-group select:focus,
[data-theme='dark'] .form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(38, 132, 255, 0.2);
}

[data-theme='dark'] .form-group label {
  color: var(--gray-400);
}

[data-theme='dark'] .form-group input:focus + label,
[data-theme='dark'] .form-group input:not(:placeholder-shown) + label,
[data-theme='dark'] .form-group select:valid + label,
[data-theme='dark'] .form-group textarea:focus + label,
[data-theme='dark'] .form-group textarea:not(:placeholder-shown) + label {
  background: var(--gray-50);
}

/* 页脚 */
[data-theme='dark'] .footer {
  background: #080c14;
  border-top: 1px solid rgba(75, 85, 99, 0.3);
}

[data-theme='dark'] .footer h3,
[data-theme='dark'] .footer h4 {
  color: #e4e7eb;
}

[data-theme='dark'] .footer-desc,
[data-theme='dark'] .footer-column a,
[data-theme='dark'] .footer-column li {
  color: #9ea5ad;
}

[data-theme='dark'] .footer-column a:hover {
  color: var(--primary);
}

[data-theme='dark'] .footer-bottom {
  border-top-color: rgba(75, 85, 99, 0.3);
  color: #9ea5ad;
}

[data-theme='dark'] .badge {
  background: rgba(31, 41, 55, 0.6);
  color: #9ea5ad;
}

/* 通知 */
[data-theme='dark'] .notification {
  background: var(--gray-100);
  color: var(--gray-900);
}

/* 滚动条 */
[data-theme='dark'] ::-webkit-scrollbar-track {
  background: var(--gray-100);
}

[data-theme='dark'] ::-webkit-scrollbar-thumb {
  background: var(--gray-400);
  border: 3px solid var(--gray-100);
}

[data-theme='dark'] ::-webkit-scrollbar-thumb:hover {
  background: var(--gray-500);
}

/* 汉堡菜单 */
[data-theme='dark'] .hamburger span {
  background: var(--gray-300);
}

/* 标题和标签 */
[data-theme='dark'] .section-label {
  color: var(--primary);
}

[data-theme='dark'] .section-title {
  color: var(--gray-900);
}

[data-theme='dark'] .section-subtitle {
  color: var(--gray-400);
}

/* 加载动画 */
[data-theme='dark'] .loader {
  background: var(--gray-50);
}

/* 返回顶部按钮 */
[data-theme='dark'] .scroll-top {
  background: var(--gradient-1);
}

/* 品牌图标 */
[data-theme='dark'] .brand-icon {
  background: var(--gradient-1);
}

/* 数字单位 */
[data-theme='dark'] .stat-unit {
  color: var(--gray-400);
}

/* 服务编号 */
[data-theme='dark'] .service-number {
  color: var(--gray-200);
}

/* 轨道装饰 */
[data-theme='dark'] .orbit {
  border-color: var(--primary);
  opacity: 0.3;
}

/* ===========================
   表单增强样式 - FormEnhancer
   =========================== */

/* 表单验证错误状态 */
.field-error-state {
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 3px rgba(255, 86, 48, 0.1) !important;
  background-color: rgba(255, 86, 48, 0.02);
}

/* 字段错误信息容器 */
.field-errors {
  margin-top: 0.5rem;
  opacity: 0;
  transform: translateY(-10px);
  transition: all 0.3s ease;
}

.field-errors.show {
  opacity: 1;
  transform: translateY(0);
}

/* 单个错误信息 */
.field-error {
  display: flex;
  align-items: center;
  color: var(--accent);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.field-error::before {
  content: '⚠';
  margin-right: 0.5rem;
  font-size: 0.75rem;
}

/* 表单消息 */
.form-message {
  display: flex;
  align-items: center;
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  font-weight: 500;
  opacity: 0;
  transform: translateY(-10px);
  transition: all 0.3s ease;
}

.form-message.show {
  opacity: 1;
  transform: translateY(0);
}

.form-message i {
  margin-right: 0.75rem;
  font-size: 1.125rem;
}

.form-message-success {
  background-color: rgba(54, 179, 126, 0.1);
  color: var(--success);
  border: 1px solid rgba(54, 179, 126, 0.2);
}

.form-message-error {
  background-color: rgba(255, 86, 48, 0.1);
  color: var(--accent);
  border: 1px solid rgba(255, 86, 48, 0.2);
}

.form-message-info {
  background-color: rgba(0, 82, 204, 0.1);
  color: var(--primary);
  border: 1px solid rgba(0, 82, 204, 0.2);
}

/* 提交按钮状态 */
.btn.submitting {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}

.btn.submitting::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  100% {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

/* 邮箱建议 */
.email-suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  max-height: 200px;
  overflow-y: auto;
  margin-top: 4px;
}

.suggestion-item {
  padding: 0.75rem 1rem;
  cursor: pointer;
  transition: background-color 0.2s ease;
  font-size: 0.875rem;
  color: var(--gray-700);
}

.suggestion-item:hover {
  background-color: var(--gray-50);
  color: var(--primary);
}

.suggestion-item:first-child {
  border-top-left-radius: 8px;
  border-top-right-radius: 8px;
}

.suggestion-item:last-child {
  border-bottom-left-radius: 8px;
  border-bottom-right-radius: 8px;
}

/* 自动保存指示器 */
.auto-save-indicator,
.data-restored-indicator {
  position: fixed;
  top: 20px;
  right: 20px;
  background: var(--success);
  color: white;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 10000;
  opacity: 0;
  transform: translateX(100px);
  transition: all 0.3s ease;
}

.data-restored-indicator {
  background: var(--primary);
}

.auto-save-indicator.show,
.data-restored-indicator.show {
  opacity: 1;
  transform: translateX(0);
}

.auto-save-indicator i,
.data-restored-indicator i {
  margin-right: 0.5rem;
}

/* 表单组增强 */
.form-group {
  position: relative;
  margin-bottom: 1.5rem;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .email-suggestions {
    font-size: 0.8rem;
  }

  .suggestion-item {
    padding: 0.6rem 0.8rem;
  }

  .auto-save-indicator,
  .data-restored-indicator {
    top: 10px;
    right: 10px;
    font-size: 0.8rem;
    padding: 0.6rem 0.8rem;
  }

  .form-message {
    padding: 0.8rem;
    font-size: 0.875rem;
  }

  .field-error {
    font-size: 0.8rem;
  }
}

/* 深色主题支持 */
[data-theme='dark'] .email-suggestions {
  background: var(--gray-800);
  border-color: var(--gray-600);
}

[data-theme='dark'] .suggestion-item {
  color: var(--gray-200);
}

[data-theme='dark'] .suggestion-item:hover {
  background-color: var(--gray-700);
  color: white;
}

[data-theme='dark'] .form-message-success {
  background-color: rgba(54, 179, 126, 0.15);
  border-color: rgba(54, 179, 126, 0.3);
}

[data-theme='dark'] .form-message-error {
  background-color: rgba(255, 86, 48, 0.15);
  border-color: rgba(255, 86, 48, 0.3);
}

[data-theme='dark'] .form-message-info {
  background-color: rgba(0, 82, 204, 0.15);
  border-color: rgba(0, 82, 204, 0.3);
}

[data-theme='dark'] .field-error-state {
  background-color: rgba(255, 86, 48, 0.05);
} /* =
==========================
   交互反馈系统样式 - InteractionFeedback
   =========================== */

/* 通知容器 */
.notification-container {
  position: fixed;
  z-index: 10000;
  pointer-events: none;
  max-width: 400px;
}

.notification-top-right {
  top: 20px;
  right: 20px;
}

.notification-top-left {
  top: 20px;
  left: 20px;
}

.notification-bottom-right {
  bottom: 20px;
  right: 20px;
}

.notification-bottom-left {
  bottom: 20px;
  left: 20px;
}

.notification-center {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* 通知样式 */
.notification {
  background: white;
  border-radius: 12px;
  box-shadow: var(--shadow-xl);
  margin-bottom: 12px;
  pointer-events: auto;
  opacity: 0;
  transform: translateX(100%);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  border-left: 4px solid;
  max-width: 100%;
}

.notification.show {
  opacity: 1;
  transform: translateX(0);
}

.notification.hide {
  opacity: 0;
  transform: translateX(100%);
  margin-bottom: 0;
  max-height: 0;
}

/* 通知类型颜色 */
.notification-success {
  border-left-color: var(--success);
}

.notification-error {
  border-left-color: var(--accent);
}

.notification-warning {
  border-left-color: var(--warning);
}

.notification-info {
  border-left-color: var(--primary);
}

.notification-loading {
  border-left-color: var(--gray-400);
}

/* 通知内容 */
.notification-content {
  display: flex;
  align-items: flex-start;
  padding: 16px;
  gap: 12px;
}

.notification-content i {
  font-size: 20px;
  margin-top: 2px;
  flex-shrink: 0;
}

.notification-success i {
  color: var(--success);
}

.notification-error i {
  color: var(--accent);
}

.notification-warning i {
  color: var(--warning);
}

.notification-info i {
  color: var(--primary);
}

.notification-loading i {
  color: var(--gray-400);
}

.notification-message {
  flex: 1;
  min-width: 0;
}

.notification-title {
  font-weight: 600;
  font-size: 14px;
  color: var(--gray-900);
  margin-bottom: 4px;
}

.notification-text {
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.4;
}

.notification-close {
  background: none;
  border: none;
  color: var(--gray-400);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.notification-close:hover {
  color: var(--gray-600);
  background: var(--gray-100);
}

/* 通知进度条 */
.notification-progress {
  height: 3px;
  background: var(--gray-100);
  position: relative;
  overflow: hidden;
}

.notification-progress::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: var(--primary);
  width: 100%;
  transform: translateX(-100%);
  animation: notification-progress 4s linear forwards;
}

@keyframes notification-progress {
  to {
    transform: translateX(0);
  }
}

/* 全局加载覆盖层 */
.global-loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.global-loading-overlay.show {
  opacity: 1;
  visibility: visible;
}

.global-loading-content {
  background: white;
  border-radius: 16px;
  padding: 32px;
  text-align: center;
  box-shadow: var(--shadow-2xl);
  max-width: 300px;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--gray-200);
  border-top: 4px solid var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 16px;
}

.loading-text {
  font-size: 16px;
  font-weight: 500;
  color: var(--gray-700);
}

/* 进度指示器 */
.progress-indicator {
  background: white;
  border-radius: 12px;
  padding: 20px;
  box-shadow: var(--shadow-md);
  margin: 16px 0;
  transition: all 0.3s ease;
}

.progress-indicator.completed {
  background: var(--success);
  color: white;
}

.progress-bar {
  height: 8px;
  background: var(--gray-200);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 12px;
}

.progress-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 4px;
  transition: width 0.3s ease;
}

.progress-indicator.completed .progress-fill {
  background: white;
}

.progress-text {
  display: flex;
  /* justify-content: space-between; */
  flex-direction: column;
  align-items: center;
  font-size: 14px;
}

.progress-percentage {
  font-weight: 600;
  color: var(--gray-900);
}

.progress-label {
  color: var(--gray-600);
}

.progress-indicator.completed .progress-percentage,
.progress-indicator.completed .progress-label {
  color: white;
}

.progress-indicator.fade-out {
  opacity: 0;
  transform: translateY(-10px);
}

/* 确认对话框 */
.confirmation-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 10001;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  padding: 20px;
}

.confirmation-overlay.show {
  opacity: 1;
  visibility: visible;
}

.confirmation-modal {
  background: white;
  border-radius: 16px;
  box-shadow: var(--shadow-2xl);
  max-width: 400px;
  width: 100%;
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.confirmation-overlay.show .confirmation-modal {
  transform: scale(1);
}

.confirmation-content {
  padding: 24px;
  text-align: center;
}

.confirmation-icon {
  margin-bottom: 16px;
}

.confirmation-icon i {
  font-size: 48px;
  color: var(--primary);
}

.confirmation-message h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.confirmation-message p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.5;
  margin-bottom: 24px;
}

.confirmation-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.confirmation-actions .btn {
  min-width: 100px;
}

/* 微交互动画 */
.ripple-effect {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.6);
  transform: scale(0);
  animation: ripple 0.6s linear;
  pointer-events: none;
}

@keyframes ripple {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* 输入框焦点效果 */
.input-focused {
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 3px rgba(0, 82, 204, 0.1) !important;
}

.label-focused {
  color: var(--primary) !important;
  transform: translateY(-8px) scale(0.85) !important;
}

/* 悬停增强效果 */
.hover-enhanced {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg) !important;
}

/* 加载状态 */
.loading-state {
  position: relative;
  pointer-events: none;
  opacity: 0.7;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .notification-container {
    max-width: calc(100vw - 40px);
    left: 20px !important;
    right: 20px !important;
  }

  .notification-top-right,
  .notification-top-left {
    top: 10px;
  }

  .notification-bottom-right,
  .notification-bottom-left {
    bottom: 10px;
  }

  .notification-content {
    padding: 12px;
    gap: 8px;
  }

  .notification-title {
    font-size: 13px;
  }

  .notification-text {
    font-size: 12px;
  }

  .global-loading-content {
    padding: 24px;
    margin: 20px;
  }

  .confirmation-modal {
    margin: 20px;
  }

  .confirmation-content {
    padding: 20px;
  }

  .confirmation-actions {
    flex-direction: column;
  }

  .confirmation-actions .btn {
    width: 100%;
  }
}

/* 深色主题支持 */
[data-theme='dark'] .notification {
  background: var(--gray-800);
  color: white;
}

[data-theme='dark'] .notification-title {
  color: white;
}

[data-theme='dark'] .notification-text {
  color: var(--gray-300);
}

[data-theme='dark'] .notification-close {
  color: var(--gray-400);
}

[data-theme='dark'] .notification-close:hover {
  color: var(--gray-200);
  background: var(--gray-700);
}

[data-theme='dark'] .global-loading-content {
  background: var(--gray-800);
  color: white;
}

[data-theme='dark'] .loading-text {
  color: var(--gray-200);
}

[data-theme='dark'] .progress-indicator {
  background: var(--gray-800);
  color: white;
}

[data-theme='dark'] .progress-bar {
  background: var(--gray-700);
}

[data-theme='dark'] .progress-percentage {
  color: white;
}

[data-theme='dark'] .progress-label {
  color: var(--gray-300);
}

[data-theme='dark'] .confirmation-modal {
  background: var(--gray-800);
  color: white;
}

[data-theme='dark'] .confirmation-message h3 {
  color: white;
}

[data-theme='dark'] .confirmation-message p {
  color: var(--gray-300);
} /* ==
=========================
   导航增强样式 - NavigationEnhancer
   =========================== */

/* 滚动进度指示器 */
.scroll-progress-indicator {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.1s ease;
  z-index: 9999;
}

/* 导航活动指示器 */
.nav-active-indicator {
  position: absolute;
  bottom: -2px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
  opacity: 0;
  transform: scaleX(0);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1;
}

.nav-active-indicator.show {
  opacity: 1;
  transform: scaleX(1);
}

/* 导航链接活动状态 */
.nav-link.active {
  color: var(--primary);
  font-weight: 600;
}

/* 移动端导航隐藏 */
.navbar.nav-hidden {
  transform: translateY(-100%);
  transition: transform 0.3s ease;
}

/* 汉堡菜单动画 */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: 8px;
  border: none;
  background: none;
  width: 40px;
  height: 40px;
  justify-content: center;
  align-items: center;
  border-radius: 8px;
  transition: background-color 0.2s ease;
}

.hamburger:hover {
  background-color: var(--gray-100);
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 1px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: center;
}

.hamburger span:not(:last-child) {
  margin-bottom: 4px;
}

/* 汉堡菜单激活状态 */
.hamburger.active span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* 滚动到顶部按钮增强 */
.scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1000;
}

.scroll-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.scroll-top:active {
  transform: translateY(0);
}

/* 焦点指示器增强 */
.focus-indicator {
  position: absolute;
  pointer-events: none;
  border: 2px solid var(--primary);
  border-radius: 4px;
  transition: all 0.2s ease;
  z-index: 1000;
  opacity: 0;
}

/* 键盘导航增强 */
*:focus-visible {
  outline: 2px solid var(--primay);
  outline-offset: 2px;
  border-radius: 4px;
}

/* 章节过渡动画 */
section {
  scroll-margin-top: 80px;
}

/* 导航栏位置固定优化 */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: transform 0.3s ease;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.95);
}

/* 移动端响应式 */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 20px;
    box-shadow: var(--shadow-xl);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    max-height: calc(100vh - 80px);
    overflow-y: auto;
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-menu li {
    margin: 0;
    width: 100%;
  }

  .nav-link {
    display: block;
    padding: 15px 0;
    border-bottom: 1px solid var(--gray-100);
    font-size: 16px;
    font-weight: 500;
    transition: all 0.2s ease;
  }

  .nav-link:hover {
    color: var(--primary);
    padding-left: 10px;
  }

  .nav-link.active {
    color: var(--primary);
    background: var(--gray-50);
    margin: 0 -20px;
    padding-left: 30px;
    padding-right: 20px;
    border-left: 4px solid var(--primary);
  }

  .scroll-top {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
    font-size: 16px;
  }

  .scroll-progress-indicator {
    height: 2px;
  }
}

/* 平板响应式 */
@media (max-width: 1024px) and (min-width: 769px) {
  .nav-menu {
    gap: 20px;
  }

  .nav-link {
    font-size: 14px;
    padding: 8px 12px;
  }
}

/* 超小屏幕优化 */
@media (max-width: 480px) {
  .nav-menu {
    padding: 15px;
  }

  .nav-link {
    padding: 12px 0;
    font-size: 15px;
  }

  .scroll-top {
    bottom: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    font-size: 14px;
  }
}

/* 深色主题支持 */
[data-theme='dark'] .navbar {
  background: rgba(9, 30, 66, 0.95);
}

[data-theme='dark'] .hamburger:hover {
  background-color: var(--gray-700);
}

[data-theme='dark'] .hamburger span {
  background: var(--gray-200);
}

[data-theme='dark'] .nav-menu {
  background: var(--gray-800);
}

[data-theme='dark'] .nav-link {
  color: var(--gray-200);
  border-bottom-color: var(--gray-700);
}

[data-theme='dark'] .nav-link:hover {
  color: var(--primary-light);
}

[data-theme='dark'] .nav-link.active {
  color: var(--primary-light);
  background: var(--gray-700);
}

[data-theme='dark'] .scroll-top {
  background: var(--primary-light);
}

[data-theme='dark'] .scroll-top:hover {
  background: var(--primary);
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
  .scroll-progress-indicator {
    height: 4px;
  }

  .nav-active-indicator {
    height: 4px;
  }

  *:focus-visible {
    outline-width: 3px;
    outline-offset: 3px;
  }
}

/* 减少动画模式支持 */
@media (prefers-reduced-motion: reduce) {
  .scroll-progress-indicator,
  .nav-active-indicator,
  .hamburger span,
  .nav-menu,
  .scroll-top,
  .navbar {
    transition: none;
  }

  .scroll-top:hover {
    transform: none;
  }
}

/* 导航增强动画 */
@keyframes navSlideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.nav-menu.active .nav-link {
  animation: navSlideIn 0.3s ease forwards;
}

.nav-menu.active .nav-link:nth-child(1) {
  animation-delay: 0.1s;
}
.nav-menu.active .nav-link:nth-child(2) {
  animation-delay: 0.15s;
}
.nav-menu.active .nav-link:nth-child(3) {
  animation-delay: 0.2s;
}
.nav-menu.active .nav-link:nth-child(4) {
  animation-delay: 0.25s;
}
.nav-menu.active .nav-link:nth-child(5) {
  animation-delay: 0.3s;
}

/* 导航栏阴影增强 */
.navbar {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.navbar.nav-hidden {
  box-shadow: none;
}

.pricing-section {
  padding: var(--space-4xl) 0;
  background: var(--gray-50);
}

.pricing-container {
  max-width: 1400px;
  margin: 0 auto;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
  max-width: 1200px; /* 可选：设置最大宽度确保在宽屏上也有合适的卡片宽度 */
  margin-left: auto;
  margin-right: auto;
}

.pricing-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  /* border: 1px solid var(--gray-100); */
  transform: translateZ(0);
  box-shadow: var(--shadow-sm);
}

.pricing-card:hover {
  transform: translateY(-4px) !important;
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.pricing-card-popular {
  transform: translateY(-10px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.pricing-badge {
  position: absolute;
  top: 0;
  right: 0;
  background: var(--primary);
  color: var(--white);
  padding: var(--space-xs) var(--space-xl);
  font-size: 0.75rem;
  font-weight: 600;
  transform: rotate(45deg) translate(30%, -50%);
  transform-origin: top right;
}

.pricing-header {
  margin-bottom: var(--space-xl);
}

.pricing-header small {
  color: var(--gray-500);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.price {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--gray-900);
  margin: var(--space-sm) 0;
  font-variant-numeric: tabular-nums;
}

/* 确保价格卡片内部空间一致，使按钮底部对齐 */
.pricing-body {
  display: flex;
  flex-direction: column;
  min-height: 220px;
  margin-top: var(--space-xl); /* 保留原有间距 */
}

/* 确保价格特性列表占据剩余空间，将按钮推到底部 */
.pricing-features {
  flex-grow: 1;
  list-style: none;
  text-align: left;
  margin-bottom: var(--space-xl);
}

/* 确保所有价格卡片高度一致 */
.pricing-card {
  display: flex;
  flex-direction: column;
  min-height: 450px;
  justify-content: space-between;
}

/* 确保按钮始终位于底部 */
.pricing-card .btn {
  width: 100%;
  justify-content: center;
  height: 48px;
  display: flex;
  align-items: center;
  transition: all var(--transition-base) ease-in-out;
  margin-top: auto;
}

/* 统一按钮样式和高度 */
.pricing-card .btn-outline,
.pricing-card .btn-outline:hover,
.pricing-card .btn-primary,
.pricing-card .btn-primary:hover {
  height: 48px;
  padding: 0 var(--space-xl);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 600;
}

/* 按钮悬停效果优化 */
.pricing-card .btn-outline {
  transition: all var(--transition-base) ease-in-out;
}

.pricing-card:hover .btn-outline {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
  box-shadow: 0 4px 14px 0 rgba(0, 82, 204, 0.25);
}

.pricing-card .btn-outline:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 rgba(0, 82, 204, 0.35);
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--gray-700);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--gray-100);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-features i {
  color: var(--success);
  flex-shrink: 0;
}

.pricing-card .btn {
  width: 100%;
  justify-content: center;
  height: 48px; /* 设置固定高度，确保所有按钮对齐 */
  display: flex;
  align-items: center;
  transition: all var(--transition-base) ease-in-out;
}

.pricing-card .btn-outline,
.pricing-card .btn-outline:hover,
.pricing-card .btn-primary,
.pricing-card .btn-primary:hover {
  height: 48px;
  padding: 0 var(--space-xl);
}

.pricing-card:hover .btn-outline {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
  box-shadow: 0 4px 14px 0 rgba(0, 82, 204, 0.25);
  transform: translateY(0);
}

.pricing-card:hover .btn-outline:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 rgba(0, 82, 204, 0.35);
}

/* 响应式调整 */
@media (max-width: 1200px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 900px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .pricing-grid {
    grid-template-columns: 1fr;
  }
}

/* ===========================
   核心功能点 - 样式
   =========================== */
.section.bg-light {
  background-color: var(--gray-50);
  padding: var(--space-4xl) 0;
}

.section.pt-lg {
  padding-top: var(--space-3xl);
}

/* 增加卡片之间的垂直间距 */
.media {
  display: flex;
  align-items: flex-start;
  padding: var(--space-lg);
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
  overflow: hidden;
  /* 将margin-bottom从较小间距增加到较大间距 */
  margin-bottom: var(--space-2xl);
}

.media:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.media::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-1);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.media:hover::after {
  transform: scaleX(1);
}

.media-icon {
  width: 64px;
  height: 64px;
  background: var(--gradient-1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--white);
  flex-shrink: 0;
  box-shadow: var(--shadow-md);
  position: relative;
  z-index: 1;
}

/* 为不同图标设置不同渐变 */
.media:nth-child(1) .media-icon {
  background: var(--gradient-1);
}

.media:nth-child(2) .media-icon {
  background: var(--gradient-2);
}

.media:nth-child(3) .media-icon {
  background: var(--gradient-3);
}

.media:nth-child(4) .media-icon {
  background: var(--gradient-4);
}

.media:nth-child(5) .media-icon {
  background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.media:nth-child(6) .media-icon {
  background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.media-body {
  flex: 1;
  padding-left: var(--space-lg);
}

.media-body h5 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}

.media-body p {
  color: var(--gray-600);
  line-height: 1.6;
  margin: 0;
}

/* 响应式设计 */
@media (max-width: 992px) {
  .media {
    padding: var(--space-md);
  }

  .media-icon {
    width: 56px;
    height: 56px;
    font-size: 24px;
  }

  .media-body h5 {
    font-size: 1.125rem;
  }
}

@media (max-width: 768px) {
  .row {
    margin-left: calc(-1 * var(--space-md));
    margin-right: calc(-1 * var(--space-md));
  }

  .col-md-6 {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .media {
    flex-direction: column;
    text-align: center;
  }

  .media-icon {
    margin: 0 auto var(--space-lg);
  }

  .media-body {
    padding-left: 0;
  }
}

/* 暗色主题支持 */
[data-theme='dark'] .section.bg-light {
  background-color: var(--gray-100);
}

[data-theme='dark'] .media {
  background-color: var(--gray-50);
  border: 1px solid var(--gray-200);
}

[data-theme='dark'] .media-body h5 {
  color: var(--gray-900);
}

[data-theme='dark'] .media-body p {
  color: var(--gray-700);
}

.partners-section {
  background-color: var(--gray-50);
  padding: var(--space-2xl) 0;
  overflow: hidden;
  position: relative;
}

.partners-section .container {
  position: relative;
  z-index: 1;
}

.partners-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.partners-header h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--space-sm);
}

.partners-header p {
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
}

.partners-slider {
  position: relative;
  overflow: visible; /* 改为visible，允许内容溢出显示 */
  padding: var(--space-lg) 0;
  height: auto; /* 改为auto，根据内容自动调整高度 */
  display: flex;
  flex-wrap: wrap; /* 允许换行 */
  justify-content: center; /* 居中对齐 */
  align-items: center;
}

.partners-track {
  display: flex;
  flex-wrap: wrap; /* 允许换行 */
  justify-content: center; /* 居中对齐 */
  align-items: center;
  width: 100%; /* 宽度设为100% */
  height: auto; /* 高度设为auto */
  /* 移除动画相关属性 */
}

.partners-slide {
  flex: 0 0 auto;
  width: 200px;
  padding: 0 var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  height: 120px; /* 固定高度，保持一致性 */
}

.partners-slide img {
  max-height: 80px;
  max-width: 100%;
  transition: all 0.3s ease;
  display: block; /* 保留这个属性确保图片是块级元素 */
}

.partners-slide:hover img {
  transform: scale(1.1);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .partners-header h2 {
    font-size: 1.5rem;
  }

  .partners-slide {
    width: 150px;
    padding: 0 var(--space-md);
  }

  .partners-slide img {
    max-height: 60px;
  }
}

/* 暗色主题支持 */
[data-theme='dark'] .partners-section {
  background-color: var(--gray-900);
}

[data-theme='dark'] .partners-header h2 {
  color: var(--white);
}

[data-theme='dark'] .partners-header p {
  color: var(--gray-400);
}

/* ===========================
   核心优势 - 图标大小调整
   =========================== */
#features .media-icon {
  width: 50px;
  height: 50px;
  margin-right: 15px;
}

#features .media-icon i {
  font-size: 24px !important; /* 覆盖pe-3x类的大小设置 */
  line-height: 1;
}

/* 确保图标在容器中正确居中 */
#features .media-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (max-width: 768px) {
  /* 确保汉堡菜单始终可见 */
  .hamburger {
    display: flex !important;
    z-index: 1001 !important;
  }

  /* 修复导航菜单样式，确保z-index足够高且不被其他元素覆盖 */
  .nav-menu {
    position: fixed !important;
    top: 70px !important;
    left: -100% !important;
    width: 100% !important;
    height: calc(100vh - 70px) !important;
    background: var(--white) !important;
    z-index: 1000 !important;
    flex-direction: column !important;
    justify-content: center !important;
    align-items: center !important;
    transition: left 0.3s ease-in-out !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1) !important;
    padding: 0 !important;
    margin: 0 !important;
    opacity: 0 !important;
    pointer-events: none !important;
  }

  /* 确保active状态的导航菜单可见 */
  .nav-menu.active {
    left: 0 !important;
    opacity: 1 !important;
    pointer-events: all !important;
  }

  /* 导航链接样式增强 */
  .nav-menu li {
    margin: 15px 0 !important;
    width: 100% !important;
    text-align: center !important;
  }

  .nav-menu .nav-link {
    font-size: 18px !important;
    padding: 12px 20px !important;
    color: var(--gray-800) !important;
    display: block !important;
    transition: all 0.2s ease !important;
  }

  .nav-menu .nav-link:hover {
    color: var(--primary-color) !important;
    background: rgba(0, 0, 0, 0.05) !important;
  }

  /* 修复汉堡菜单动画 */
  .hamburger span {
    width: 28px !important;
    height: 3px !important;
    background: var(--gray-800) !important;
    transition: all 0.3s ease !important;
    display: block !important;
  }

  .hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px) !important;
  }

  .hamburger.active span:nth-child(2) {
    opacity: 0 !important;
  }

  .hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px) !important;
  }

  /* 暗色主题支持 */
  [data-theme='dark'] .nav-menu {
    background: var(--gray-900) !important;
  }

  [data-theme='dark'] .nav-menu .nav-link {
    color: var(--gray-100) !important;
  }

  [data-theme='dark'] .nav-menu .nav-link:hover {
    background: rgba(255, 255, 255, 0.05) !important;
  }

  [data-theme='dark'] .hamburger span {
    background: var(--gray-100) !important;
  }
}

@media (max-width: 768px) {
  /* 使用更具体的选择器并添加!important确保优先级 */
  .nav-menu.active {
    left: 0 !important;
    opacity: 1 !important;
    transform: translateX(0) !important;
    visibility: visible !important;
  }

  /* 确保没有其他样式覆盖这个行为 */
  body .nav-menu.active {
    left: 0 !important;
  }

  /* 为导航菜单添加初始状态，确保过渡效果正常 */
  .nav-menu {
    transition: left var(--transition-base) ease-in-out, opacity var(--transition-base) ease-in-out,
      visibility 0s linear var(--transition-base) !important;
  }

  .nav-menu.active {
    transition: left var(--transition-base) ease-in-out, opacity var(--transition-base) ease-in-out,
      visibility 0s linear 0s !important;
  }
}

/* ===========================
   移动端菜单 - 全新实现
   =========================== */
/* 汉堡菜单容器 - 确保始终可见 */
.mobile-menu-toggle {
  display: none;
  position: relative;
  z-index: 1002;
  cursor: pointer;
  background: none;
  border: none;
  padding: 10px;
}

/* 汉堡菜单图标样式 */
.mobile-menu-toggle .hamburger {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 24px;
  height: 20px;
  position: relative;
}

.mobile-menu-toggle .hamburger span {
  width: 100%;
  height: 2px;
  background-color: var(--gray-700);
  border-radius: 2px;
  transition: all 0.3s ease;
  position: absolute;
  left: 0;
}

/* 暗色主题适配 */
[data-theme='dark'] .mobile-menu-toggle .hamburger span {
  background-color: var(--gray-200);
}

/* 汉堡菜单各条线位置 */
.mobile-menu-toggle .hamburger span:nth-child(1) {
  top: 0;
}

.mobile-menu-toggle .hamburger span:nth-child(2) {
  top: 9px;
}

.mobile-menu-toggle .hamburger span:nth-child(3) {
  bottom: 0;
}

/* 汉堡菜单激活状态动画 */
.mobile-menu-toggle.active .hamburger span:nth-child(1) {
  transform: rotate(45deg);
  top: 9px;
}

.mobile-menu-toggle.active .hamburger span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active .hamburger span:nth-child(3) {
  transform: rotate(-45deg);
  bottom: 9px;
}

/* 移动端导航菜单容器 - 使用固定定位和transform实现平滑过渡 */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--white);
  z-index: 1001;
  transform: translateX(-100%);
  transition: transform 0.3s ease, opacity 0.3s ease;
  opacity: 0;
  visibility: hidden;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  padding: 100px 20px 20px;
}

/* 暗色主题适配 */
[data-theme='dark'] .mobile-nav {
  background-color: var(--white);
}

/* 移动端导航菜单激活状态 */
.mobile-nav.active {
  transform: translateX(0);
  opacity: 1;
  visibility: visible;
}

/* 移动端导航链接样式 */
.mobile-nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mobile-nav-links li {
  margin-bottom: 15px;
}

.mobile-nav-links a {
  display: block;
  padding: 12px 20px;
  color: var(--gray-900);
  text-decoration: none;
  font-size: 18px;
  font-weight: 500;
  border-radius: 8px;
  transition: background-color 0.2s ease;
}

/* 暗色主题适配 */
[data-theme='dark'] .mobile-nav-links a {
  color: var(--gray-200);
}

.mobile-nav-links a:hover {
  background-color: var(--gray-50);
}

/* 暗色主题适配 */
[data-theme='dark'] .mobile-nav-links a:hover {
  background-color: var(--gray-100);
}

.mobile-nav-links a.active {
  color: var(--primary);
  background-color: rgba(79, 70, 229, 0.08);
}

/* 移动端菜单遮罩层 */
.menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease;
}

.menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* 断点适配 - 在小屏幕上显示移动端菜单 */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
  }

  /* 隐藏桌面导航 */
  .nav-menu {
    display: none !important;
  }
}

/* 在文件末尾添加以下样式 */
/* ===========================
   移动端菜单夜间模式增强
   =========================== */

/* 夜间模式下的汉堡菜单按钮优化 */
[data-theme='dark'] .hamburger span {
  background: var(--gray-700);
  height: 3px;
  transition: all var(--transition-base);
}

/* 夜间模式下的导航菜单增强 */
[data-theme='dark'] .nav-menu {
  background: var(--gray-100);
  border-top: 1px solid var(--gray-300);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

[data-theme='dark'] .nav-menu.active {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

/* 夜间模式下的导航链接增强 */
[data-theme='dark'] .nav-link {
  color: var(--gray-700);
  font-weight: 600;
  font-size: 1.0625rem;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

[data-theme='dark'] .nav-link:hover {
  color: var(--primary);
  background: var(--gray-200);
  transform: translateX(5px);
}

[data-theme='dark'] .nav-link.active {
  color: var(--primary);
  background: rgba(38, 132, 255, 0.15);
  font-weight: 700;
}

/* 独立移动端菜单组件的夜间模式增强 */
[data-theme='dark'] .mobile-menu-toggle {
  background: var(--gray-100);
  border: 1px solid var(--gray-300);
}

[data-theme='dark'] .mobile-menu-toggle .bar {
  background: var(--gray-700);
  height: 3px;
}

[data-theme='dark'] .mobile-nav {
  background: var(--gray-100);
  border-right: 1px solid var(--gray-300);
  box-shadow: 2px 0 15px rgba(0, 0, 0, 0.4);
}

[data-theme='dark'] .mobile-nav-link {
  color: var(--gray-700);
  font-weight: 600;
  border-bottom: 1px solid var(--gray-300);
}

[data-theme='dark'] .mobile-nav-link:hover,
[data-theme='dark'] .mobile-nav-link.active {
  color: var(--primary);
  background: var(--gray-200);
}

[data-theme='dark'] .menu-overlay {
  background: rgba(0, 0, 0, 0.7);
}

/* 增加夜间模式菜单的过渡动画效果 */
[data-theme='dark'] .nav-menu,
[data-theme='dark'] .mobile-nav {
  transition: all var(--transition-base), transform var(--transition-slow);
}

[data-theme='dark'] .nav-menu.active,
[data-theme='dark'] .mobile-nav.active {
  transform: translateX(0) translateY(0);
}

/* 在小屏幕上优化触摸目标大小 */
@media (max-width: 768px) {
  [data-theme='dark'] .nav-link,
  [data-theme='dark'] .mobile-nav-link {
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

/* 重置移动端菜单按钮的默认样式 */
.mobile-menu-toggle {
  background: transparent !important;
  border: none !important;
  outline: none !important;
  padding: 12px !important;
  margin: 0 !important;
  border-radius: 0 !important;
  position: relative;
  z-index: 1002;
  cursor: pointer;
}

/* 确保没有意外的伪元素导致圆球效果 */
.mobile-menu-toggle::before,
.mobile-menu-toggle::after {
  content: none !important;
}

/* 重置汉堡菜单容器样式 */
.mobile-menu-toggle .hamburger {
  background: transparent !important;
  border-radius: 0 !important;
  width: 24px !important;
  height: 20px !important;
  display: flex !important;
  flex-direction: column !important;
  justify-content: space-between !important;
  align-items: center !important;
  position: relative !important;
  gap: 4px !important;
  padding: 0 !important;
  margin: 0 !important;
}

/* 修复汉堡菜单线条样式 */
.mobile-menu-toggle .hamburger span {
  width: 100% !important;
  height: 2px !important;
  background-color: var(--gray-700) !important;
  border-radius: 2px !important;
  transition: all 0.3s ease !important;
  display: block !important;
  position: static !important;
  margin: 0 !important;
  padding: 0 !important;
}

/* 暗色主题适配 */
[data-theme='dark'] .mobile-menu-toggle .hamburger span {
  background-color: var(--gray-200) !important;
}

/* 修复汉堡菜单激活状态 */
.mobile-menu-toggle.active .hamburger span:nth-child(1) {
  transform: translateY(8px) rotate(45deg) !important;
  position: absolute !important;
  top: 0 !important;
}

.mobile-menu-toggle.active .hamburger span:nth-child(2) {
  opacity: 0 !important;
}

.mobile-menu-toggle.active .hamburger span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg) !important;
  position: absolute !important;
  bottom: 0 !important;
}

/* 确保没有其他样式影响按钮外观 */
.mobile-menu-toggle * {
  box-sizing: content-box !important;
}

/* 去除按钮点击时的默认高亮 */
.mobile-menu-toggle {
  -webkit-tap-highlight-color: transparent !important;
}

/* 禁用可能导致圆形效果的动画 */
.mobile-menu-toggle,
.mobile-menu-toggle .hamburger,
.mobile-menu-toggle .hamburger span {
  animation: none !important;
}

/* 修复媒体查询中的冲突样式 */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block !important;
    background: transparent !important;
  }
}

/* 为了兼容性，再添加一个更具体的选择器 */
body .mobile-menu-toggle {
  background: transparent !important;
  border-radius: 0 !important;
}

/* ===========================
   移动端菜单白色文字优化
   =========================== */

/* 基础白色文字设置 - 适用于所有主题 */
.mobile-nav-links a {
  color: #ffffff !important;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* 增强白色文字的可读性 */
.mobile-nav-links a {
  font-weight: 600 !important;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 为确保白色文字在不同背景下都清晰可见，优化菜单背景 */
.mobile-nav {
  background-color: var(--primary-dark) !important;
  background-image: linear-gradient(
    135deg,
    var(--primary-dark) 0%,
    var(--secondary) 100%
  ) !important;
  border-right: none !important;
}

/* 暗色主题下的白色文字优化 */
[data-theme='dark'] .mobile-nav-links a {
  color: #ffffff !important;
}

[data-theme='dark'] .mobile-nav {
  background-color: var(--gray-900) !important;
  background-image: linear-gradient(135deg, var(--gray-900) 0%, #0f172a 100%) !important;
  border-right: 1px solid rgba(255, 255, 255, 0.1) !important;
}

/* 白色文字的hover状态优化 */
.mobile-nav-links a:hover {
  color: #ffffff !important;
  background-color: rgba(255, 255, 255, 0.15) !important;
  transform: translateX(5px);
}

[data-theme='dark'] .mobile-nav-links a:hover {
  background-color: rgba(255, 255, 255, 0.1) !important;
}

/* 白色文字的active状态优化 */
.mobile-nav-links a.active {
  color: #ffffff !important;
  background-color: rgba(255, 255, 255, 0.25) !important;
  font-weight: 700 !important;
}

/* 汉堡菜单按钮的白色图标 */
.mobile-menu-toggle .hamburger span {
  background-color: #ffffff !important;
  height: 3px !important;
  width: 26px !important;
}

[data-theme='dark'] .mobile-menu-toggle .hamburger span {
  background-color: #ffffff !important;
}

/* 确保在小屏幕上白色文字依然清晰 */
@media (max-width: 768px) {
  .mobile-nav-links a {
    font-size: 19px !important;
    padding: 14px 20px !important;
  }
}

/* 白色文字的可访问性增强 */
@media (prefers-contrast: high) {
  .mobile-nav-links a {
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
    font-weight: 700;
  }
}

/* 提供额外的白色文字样式类 - 可根据需要应用 */
.text-white {
  color: #ffffff !important;
}

.menu-white-text .mobile-nav-links a {
  color: #ffffff !important;
}

/* 覆盖当前渐变背景，设置为纯色 #10182a */
.mobile-nav {
  background-color: #10182a !important;
  background-image: none !important;
  border-right: 1px solid rgba(255, 255, 255, 0.1) !important;
}

/* 确保在暗色主题下也使用相同的纯色背景 */
[data-theme='dark'] .mobile-nav {
  background-color: #10182a !important;
  background-image: none !important;
  border-right: 1px solid rgba(255, 255, 255, 0.1) !important;
}

/* 增强菜单的视觉层次感 */
.mobile-nav {
  box-shadow: 2px 0 15px rgba(0, 0, 0, 0.5) !important;
}

/* 确保白色文字在新的纯色背景下依然清晰可见 */
.mobile-nav-links a {
  color: #ffffff !important;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

/* 保持链接的悬停和激活状态效果 */
.mobile-nav-links a:hover {
  background-color: rgba(255, 255, 255, 0.15) !important;
}

.mobile-nav-links a.active {
  background-color: rgba(255, 255, 255, 0.25) !important;
}

/* ===========================
   移动端菜单主题配色修复
   =========================== */

/* 移除之前的全局强制样式 */
.mobile-nav {
  background-color: transparent !important;
  background-image: none !important;
  border-right: none !important;
  box-shadow: none !important;
}

.mobile-nav-links a {
  color: inherit !important;
  text-shadow: none !important;
}

.mobile-nav-links a:hover {
  background-color: transparent !important;
  transform: none !important;
}

.mobile-nav-links a.active {
  background-color: transparent !important;
  font-weight: inherit !important;
}

/* 重新定义普通主题下的移动端菜单样式（黑色文字，白色背景） */
.mobile-nav {
  background-color: #ffffff !important;
  border-right: 1px solid #e5e7eb !important;
  box-shadow: 2px 0 15px rgba(0, 0, 0, 0.1) !important;
}

.mobile-nav-links a {
  color: #111827 !important;
  font-weight: 500 !important;
}

.mobile-nav-links a:hover {
  background-color: #f3f4f6 !important;
  transform: translateX(2px) !important;
}

.mobile-nav-links a.active {
  color: #4f46e5 !important;
  background-color: rgba(79, 70, 229, 0.08) !important;
  font-weight: 600 !important;
}

/* 普通主题下的汉堡菜单按钮 */
.mobile-menu-toggle .hamburger span {
  background-color: #111827 !important;
}

/* 暗色主题下的移动端菜单样式（白色文字，#10182a背景） */
[data-theme='dark'] .mobile-nav {
  background-color: #10182a !important;
  border-right: 1px solid rgba(255, 255, 255, 0.1) !important;
  box-shadow: 2px 0 15px rgba(0, 0, 0, 0.5) !important;
}

[data-theme='dark'] .mobile-nav-links a {
  color: #ffffff !important;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5) !important;
  font-weight: 500 !important;
}

[data-theme='dark'] .mobile-nav-links a:hover {
  background-color: rgba(255, 255, 255, 0.15) !important;
}

[data-theme='dark'] .mobile-nav-links a.active {
  color: #ffffff !important;
  background-color: rgba(255, 255, 255, 0.25) !important;
  font-weight: 700 !important;
}

/* 暗色主题下的汉堡菜单按钮 */
[data-theme='dark'] .mobile-menu-toggle .hamburger span {
  background-color: #ffffff !important;
}

/* 保持小屏幕的适配 */
@media (max-width: 768px) {
  .mobile-nav-links a {
    font-size: 18px !important;
    padding: 14px 20px !important;
  }
}

/* 响应式调整 */
@media (max-width: 1200px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 900px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  /* 确保移动端按钮样式与PC端一致 */
  .pricing-card .btn-outline,
  .pricing-card .btn-outline:hover,
  .pricing-card .btn-primary,
  .pricing-card .btn-primary:hover,
  .pricing-card .btn-outline-primary,
  .pricing-card .btn-outline-primary:hover {
    height: 48px;
    padding: 0 var(--space-xl);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    font-weight: 600;
  }

  /* 确保移动端按钮悬停效果与PC端一致 */
  .pricing-card .btn-outline,
  .pricing-card .btn-outline-primary {
    transition: all var(--transition-base) ease-in-out;
  }

  .pricing-card:hover .btn-outline,
  .pricing-card:hover .btn-outline-primary {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    box-shadow: 0 4px 14px 0 rgba(0, 82, 204, 0.25);
  }

  .pricing-card .btn-outline:hover,
  .pricing-card .btn-outline-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(0, 82, 204, 0.35);
  }
}

/* 自定义导航链接的焦点样式 */
.nav-link:focus-visible {
  outline: none;
}