/* ============================================
   常熟市隆飞新型墙体材料有限公司 - 企业网站样式
   基于 HashiCorp 设计系统，适配建材行业
   ============================================ */

/* --- 字体 --- */
/* 系统字体栈 — 无外部依赖，国内加载无阻 */
/* 原 Google Fonts 引用已移除 */

/* --- CSS 变量 --- */
:root {
  /* 品牌色 - 建材工业蓝 */
  --color-primary: #0f4c81;
  --color-primary-dark: #0a3560;
  --color-primary-light: #1a6bb5;
  
  /* 辅助色 - 混凝土灰 */
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  
  /* 强调色 - 安全橙（CTA） */
  --color-accent: #ea580c;
  --color-accent-hover: #c2410c;
  --color-accent-light: #fff7ed;
  
  /* 语义色 */
  --color-success: #059669;
  --color-warning: #d97706;
  --color-error: #dc2626;
  
  /* 背景色 */
  --bg-white: #ffffff;
  --bg-light: #f9fafb;
  --bg-dark: #111827;
  --bg-darker: #030712;
  
  /* 文字色 */
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-tertiary: #9ca3af;
  --text-white: #ffffff;
  --text-on-dark: #f3f4f6;
  
  /* 边框 */
  --border-light: #e5e7eb;
  --border-medium: #d1d5db;
  
  /* 阴影 - 企业级微阴影 */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* 圆角 */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  
  /* 间距 */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  
  /* 容器宽度 */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
}

/* --- 重置与基础 --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text-primary);
  background: var(--bg-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s;
}

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

ul, ol {
  list-style: none;
}

/* --- 容器 --- */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-sm {
  max-width: var(--container-lg);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* --- 按钮 --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--text-white);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: var(--text-white);
}

.btn-accent {
  background: var(--color-accent);
  color: var(--text-white);
}

.btn-accent:hover {
  background: var(--color-accent-hover);
  color: var(--text-white);
}

.btn-outline {
  background: transparent;
  border-color: var(--border-medium);
  color: var(--text-primary);
}

.btn-outline:hover {
  background: var(--bg-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-white {
  background: var(--bg-white);
  color: var(--color-primary);
}

.btn-white:hover {
  background: var(--bg-light);
}

.btn-lg {
  padding: 14px 32px;
  font-size: 1.125rem;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
}

/* --- 导航栏 --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-light);
  transition: box-shadow 0.3s;
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
}

.navbar-logo svg {
  width: 40px;
  height: 40px;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.navbar-menu a {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  padding: var(--space-2) 0;
  position: relative;
}

.navbar-menu a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  transform: scaleX(0);
  transition: transform 0.25s ease;
}

.navbar-menu a:hover::after {
  transform: scaleX(1);
}

.navbar-menu a:hover {
  color: var(--color-primary);
}

.navbar-menu a.active {
  color: var(--color-primary);
}

.navbar-menu a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  transform: scaleX(1);
}

.navbar-cta {
  display: flex;
  gap: var(--space-3);
}

.navbar-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.navbar-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  margin: 5px 0;
  transition: 0.3s;
}

/* --- Hero 区域 --- */
.hero {
  padding: 160px 0 100px;
  background:
    radial-gradient(ellipse at 20% 80%, rgba(15, 76, 129, 0.4) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(234, 88, 12, 0.15) 0%, transparent 40%),
    linear-gradient(135deg, #0a1628 0%, #0f2847 40%, #143d6b 70%, #0a3560 100%);
  color: var(--text-white);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.02) 50%, transparent 100%),
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  z-index: 0;
  animation: heroGradientShift 12s ease-in-out infinite alternate;
}

/* --- Hero 动态光晕动画 --- */
@keyframes heroGradientShift {
  0% { background-position: 0% 0%; }
  50% { background-position: 50% 50%; }
  100% { background-position: 100% 100%; }
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
}

.hero-floating-shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.08;
  pointer-events: none;
  z-index: 0;
}

.hero-floating-shape.shape-1 {
  width: 200px;
  height: 200px;
  top: 10%;
  right: 10%;
  background: var(--color-accent);
  animation: floatSlow 8s ease-in-out infinite;
}

.hero-floating-shape.shape-2 {
  width: 120px;
  height: 120px;
  bottom: 20%;
  right: 25%;
  background: var(--color-primary-light);
  animation: floatSlow 10s ease-in-out infinite 1s;
}

.hero-floating-shape.shape-3 {
  width: 80px;
  height: 80px;
  top: 40%;
  left: 5%;
  background: white;
  animation: floatSlow 7s ease-in-out infinite 2s;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to top, var(--bg-white), transparent);
  z-index: 1;
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-label {
  display: inline-block;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: var(--space-6);
  letter-spacing: 0.5px;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-6);
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-on-dark);
  margin-bottom: var(--space-8);
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-top: var(--space-16);
  padding-top: var(--space-12);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  z-index: 2;
}

.hero-stat-number {
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
  line-height: 1.1;
  text-shadow: 0 2px 8px rgba(234, 88, 12, 0.3);
}

.hero-stat-label {
  font-size: 0.9rem;
  color: var(--text-tertiary);
  letter-spacing: 0.3px;
}

/* --- 区块入场动画 --- */
@keyframes fadeInUpSmooth {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.counter-animate {
  opacity: 0;
  transition: opacity 0.5s;
}

.counter-animate.visible {
  opacity: 1;
}

/* --- 区块通用 --- */
.section {
  padding: var(--space-20) 0;
}

.section-dark {
  background: var(--bg-dark);
  color: var(--text-on-dark);
}

.section-light {
  background: var(--bg-light);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-12);
}

.section-label {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-3);
}

.section-dark .section-label {
  color: var(--color-accent);
}

.section-header h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--space-4);
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

.section-dark .section-header p {
  color: var(--text-tertiary);
}


/* --- 产品卡片 --- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-8);
}

.product-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s, box-shadow 0.3s;
}

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

.product-card-image {
  height: 240px;
  background:
    linear-gradient(135deg, #1a4b7c 0%, #0f3461 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.product-card-image::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 20px,
      rgba(255,255,255,0.03) 20px,
      rgba(255,255,255,0.03) 40px
    );
}

.product-card-image::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60%;
  background: linear-gradient(to top, rgba(0,0,0,0.2), transparent);
}

.product-card-image svg {
  width: 80px;
  height: 80px;
  color: rgba(255, 255, 255, 0.6);
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
              color 0.3s ease,
              filter 0.3s ease;
}

/* 产品卡片悬停时 SVG 缩放 + 变色 */
.product-card:hover .product-card-image svg {
  transform: scale(1.2);
  color: #fff;
  filter: drop-shadow(0 4px 12px rgba(255,255,255,0.3));
}

.product-card-badge {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  padding: 4px 10px;
  background: var(--color-accent);
  color: var(--text-white);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 4px;
}

.product-card-content {
  padding: var(--space-6);
}

.product-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.product-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: var(--space-4);
  line-height: 1.6;
}

.product-card-features {
  list-style: none;
  margin-bottom: var(--space-4);
}

.product-card-features li {
  padding: var(--space-1) 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.product-card-features li::before {
  content: '✓';
  color: var(--color-success);
  font-weight: 700;
}

/* --- 特性网格 --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.feature-item {
  padding: var(--space-8);
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.feature-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.feature-item:hover::before {
  transform: scaleX(1);
}

.feature-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary-light);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: var(--color-primary);
  color: var(--text-white);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.feature-icon svg {
  width: 28px;
  height: 28px;
}

.feature-item h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.feature-item p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* --- 关于我们 --- */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.about-text h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
  line-height: 1.8;
}

.about-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

/* CMS 上传的真实配图：充满容器，裁切居中 */
.about-image .about-real {
  display: block;
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.about-image-placeholder {
  height: 400px;
  background:
    linear-gradient(135deg, #1a4b7c 0%, #0f3461 100%);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-image-placeholder::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 30% 70%, rgba(234, 88, 12, 0.15) 0%, transparent 40%),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 30px,
      rgba(255,255,255,0.02) 30px,
      rgba(255,255,255,0.02) 60px
    );
}

.about-image-placeholder svg {
  width: 100px;
  height: 100px;
  color: rgba(255, 255, 255, 0.4);
  position: relative;
  z-index: 1;
}

/* ============================================
   CTA Banner — 多层径向渐变 + 脉冲装饰
   ============================================ */
.cta-banner-section {
  position: relative;
  padding: 72px 0;
  overflow: hidden;
  /* 多层径向渐变叠加，营造层次感 */
  background:
    radial-gradient(ellipse at 20% 50%, rgba(234,88,12,0.25), transparent 55%),
    radial-gradient(ellipse at 80% 50%, rgba(15,76,129,0.25), transparent 55%),
    radial-gradient(ellipse at 50% 0%, rgba(26,107,181,0.2), transparent 60%),
    linear-gradient(135deg, #0f4c81 0%, #0a3560 50%, #1a6bb5 100%);
  color: white;
}

.cta-banner-section::before {
  content: '';
  position: absolute;
  top: -40%;
  left: -20%;
  width: 140%;
  height: 180%;
  background:
    repeating-linear-gradient(45deg, transparent, transparent 30px, rgba(255,255,255,0.015) 30px, rgba(255,255,255,0.015) 60px);
  pointer-events: none;
}

.cta-label {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(234,88,12,0.25);
  border: 1px solid rgba(234,88,12,0.4);
  border-radius: 16px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: var(--space-4);
}

.cta-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.cta-desc {
  font-size: 1.1rem;
  opacity: 0.85;
  margin-bottom: var(--space-8);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

/* 装饰圆点（脉冲动画） */
.cta-banner-decor {
  position: absolute;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-accent);
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
  animation: ctaPulse 2.5s ease-in-out infinite;
}

.cta-pulse-dot-top {
  top: 16px;
  right: 12%;
  animation-delay: 0s;
}

.cta-pulse-dot-bottom {
  bottom: 16px;
  left: 10%;
  background: rgba(255,255,255,0.4);
  animation-delay: 1.2s;
}

@keyframes ctaPulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(2); opacity: 0.15; }
}


/* --- 联系表单 --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
}

.contact-info {
  padding: var(--space-8);
  background: var(--bg-dark);
  color: var(--text-on-dark);
  border-radius: var(--radius-lg);
}

.contact-info h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--space-6);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.contact-item-icon {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item-icon svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
}

.contact-item-content h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.contact-item-content p {
  color: var(--text-tertiary);
  font-size: 0.9rem;
}

.contact-form {
  padding: var(--space-8);
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.contact-form h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--space-6);
}

.form-group {
  margin-bottom: var(--space-4);
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: var(--space-2);
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
  background: var(--bg-white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* --- 表单验证状态 --- */
.form-group.valid input,
.form-group.valid textarea,
.form-group.valid select {
  border-color: var(--color-success) !important;
  box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.1);
}

.form-group.invalid input,
.form-group.invalid textarea,
.form-group.invalid select {
  border-color: var(--color-error) !important;
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.form-group.valid::after,
.form-group.invalid::after {
  content: '';
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

.form-group.valid:not(:has(input:focus)):not(:has(textarea:focus))::after {
  content: '✓';
  position: static;
  transform: none;
  color: var(--color-success);
  font-weight: bold;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: auto;
  height: auto;
}

/* --- 按钮加载态 --- */
.btn.loading {
  pointer-events: none;
  opacity: 0.75;
  position: relative;
  color: transparent !important;
}

.btn.loading::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: btnSpin 0.6s linear infinite;
  /* Fallback for white/accent buttons */
  color: inherit;
}

@keyframes btnSpin {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

/* --- 地图 --- */
.map-container {
  margin-top: var(--space-12);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  height: 400px;
  background: var(--color-gray-200);
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* --- 页脚 --- */
.footer {
  background: var(--bg-darker);
  color: var(--text-tertiary);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-brand h3 {
  color: var(--text-white);
  font-size: 1.25rem;
  margin-bottom: var(--space-4);
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

/* --- Footer 社交图标 --- */
.footer-social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-tertiary);
  transition: all 0.3s ease;
}

.social-icon:hover {
  background: var(--color-accent);
  color: white;
  transform: translateY(-2px);
}

.social-icon svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}


.footer-column h4 {
  color: var(--text-white);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.footer-column a {
  display: block;
  color: var(--text-tertiary);
  font-size: 0.9rem;
  padding: var(--space-1) 0;
}

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

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

/* --- 面包屑 --- */
.breadcrumb {
  padding: var(--space-4) 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.breadcrumb a {
  color: var(--text-secondary);
}

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

.breadcrumb span {
  margin: 0 var(--space-2);
}

/* --- 产品详情页 --- */
.product-hero {
  padding: 120px 0 60px;
  background: linear-gradient(135deg, var(--bg-dark), var(--color-primary-dark));
  color: var(--text-white);
}

.product-hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.product-hero p {
  font-size: 1.1rem;
  color: var(--text-on-dark);
  max-width: 600px;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  padding: var(--space-12) 0;
}

.product-gallery {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.product-gallery-main {
  height: 400px;
  background: linear-gradient(135deg, var(--color-gray-200), var(--color-gray-300));
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-gallery-main svg {
  width: 120px;
  height: 120px;
  color: var(--color-gray-400);
}

.product-info h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.product-info p {
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
  line-height: 1.7;
}

.product-specs {
  background: var(--bg-light);
  padding: var(--space-6);
  border-radius: var(--radius-md);
  margin: var(--space-6) 0;
}

.product-specs h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
}

.spec-table th,
.spec-table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.9rem;
}

.spec-table th {
  color: var(--text-secondary);
  font-weight: 500;
  width: 40%;
}

/* --- 留言列表 --- */
.messages-list {
  margin-top: var(--space-8);
}

.message-item {
  padding: var(--space-6);
  background: var(--bg-light);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
}

.message-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-3);
}

.message-author {
  font-weight: 600;
}

.message-date {
  font-size: 0.85rem;
  color: var(--text-tertiary);
}

.message-content {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 官方回复块（管理员在后台回复并勾选公开后展示） */
.message-reply {
  margin-top: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: rgba(26, 75, 124, 0.06);
  border-left: 3px solid var(--primary-color, #1a4b7c);
  border-radius: 0 var(--radius-sm, 6px) var(--radius-sm, 6px) 0;
}
.message-reply-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: #fff;
  background: var(--primary-color, #1a4b7c);
  border-radius: 4px;
  padding: 2px 8px;
  margin-right: 8px;
  vertical-align: middle;
}
.message-reply-date {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  vertical-align: middle;
}
.message-reply-content {
  margin-top: 8px;
  color: var(--text-secondary);
  line-height: 1.6;
  white-space: pre-wrap;
}

/* --- 提示框 --- */
.alert {
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.alert-success {
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.alert-error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* --- 响应式断点 --- */
@media (max-width: 1024px) {
  /* 通用紧凑化 */
  .section {
    padding: var(--space-14) 0;
  }
  .section-header {
    margin-bottom: var(--space-10);
  }

  /* Hero 阶梯缩放 */
  .hero {
    padding: 140px 0 80px;
  }
  .hero p {
    font-size: 1.125rem;
  }
  .hero-stats {
    gap: var(--space-6);
    margin-top: var(--space-12);
    padding-top: var(--space-8);
  }
  .hero-stat-number {
    font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  }

  /* 特性卡片间距收紧 */
  .features-grid,
  .products-grid {
    gap: var(--space-6);
  }
  .feature-item {
    padding: var(--space-6);
  }

  /* 关于我们图片缩小 */
  .about-image-placeholder {
    height: 320px;
  }
  .about-image .about-real {
    height: 320px;
  }
  .about-text h2 {
    font-size: 1.75rem;
  }

  /* 合作伙伴网格适度缩减 */
  .partner-item {
    padding: var(--space-4);
    min-height: 80px;
  }
  .partner-icon {
    width: 36px;
    height: 36px;
  }

  /* 联系区域间距 */
  .contact-info,
  .contact-form {
    padding: var(--space-6);
  }

  /* Footer 四列→两列 */
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
  .footer {
    padding: var(--space-12) 0 var(--space-6);
  }
}

@media (max-width: 768px) {
  /* 导航汉堡菜单 */
  .navbar-menu {
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg-white);
    flex-direction: column;
    padding: var(--space-5);
    box-shadow: var(--shadow-lg);
    border-top: 1px solid var(--border-light);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
  }
  .navbar-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    display: flex;
  }
  .navbar-menu a {
    padding: var(--space-3) 0;
    font-size: 1rem;
  }
  .navbar-cta {
    display: none;
  }
  .navbar-toggle {
    display: block;
  }
  .navbar-inner {
    height: 64px;
  }
  .navbar-logo {
    font-size: 1.1rem;
  }
  .navbar-logo svg {
    width: 32px;
    height: 32px;
  }

  /* Hero 完全移动端布局 */
  .hero {
    padding: 100px 0 60px;
  }
  .hero::after {
    height: 50px;
  }
  .hero-label {
    font-size: 0.8rem;
    padding: 4px 10px;
    margin-bottom: var(--space-4);
  }
  .hero p {
    font-size: 1rem;
    margin-bottom: var(--space-6);
  }
  .hero-buttons {
    flex-direction: column;
    gap: var(--space-3);
  }
  .hero-buttons .btn {
    width: 100%;
  }
  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
    margin-top: var(--space-10);
    padding-top: var(--space-8);
  }
  .hero-stat-number {
    font-size: 1.75rem;
  }
  .hero-stat-label {
    font-size: 0.8rem;
  }

  /* Section 间距 */
  .section {
    padding: var(--space-12) 0;
  }
  .section-header {
    margin-bottom: var(--space-8);
  }
  .section-header h2 {
    font-size: clamp(1.5rem, 5vw, 2rem);
  }
  .section-header p {
    font-size: 1rem;
  }

  /* 特性单列 */
  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
  .feature-item {
    padding: var(--space-5);
  }
  .feature-icon {
    width: 44px;
    height: 44px;
  }
  .feature-icon svg {
    width: 22px;
    height: 22px;
  }
  .feature-item h3 {
    font-size: 1.1rem;
  }
  .feature-item p {
    font-size: 0.9rem;
  }

  /* 产品卡片单列 */
  .products-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  .product-card-image {
    height: 200px;
  }
  .product-card-image svg {
    width: 60px;
    height: 60px;
  }
  .product-card-content {
    padding: var(--space-5);
  }

  /* 关于我们单列堆叠 */
  .about-content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .about-text h2 {
    font-size: 1.6rem;
  }
  .about-image-placeholder {
    height: 240px;
  }
  .about-image .about-real {
    height: 240px;
  }
  .about-image-placeholder svg {
    width: 70px;
    height: 70px;
  }

  /* 合作伙伴单行水平滚动（品牌墙不挤） */
  .partner-grid {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--space-4);
  }
  .partner-item {
    padding: var(--space-4);
    min-height: 72px;
  }
  .partner-icon {
    width: 32px;
    height: 32px;
  }
  .partner-name {
    font-size: 0.8rem;
  }

  /* FAQ 触摸优化 */
  .faq-question {
    padding: var(--space-4) var(--space-5);
    font-size: 0.95rem;
  }
  .faq-answer {
    font-size: 0.9rem;
  }
  .faq-item.active .faq-answer {
    padding: 0 var(--space-5) var(--space-4);
  }

  /* 联系表单 & 信息单列 */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .contact-info,
  .contact-form {
    padding: var(--space-5);
  }
  .contact-info h3,
  .contact-form h3 {
    font-size: 1.25rem;
  }
  .contact-item-icon {
    width: 36px;
    height: 36px;
  }
  .contact-item-icon svg {
    width: 18px;
    height: 18px;
  }

  /* 表单行单列 */
  .form-row {
    grid-template-columns: 1fr;
  }

  /* 地图高度缩减 */
  .map-container {
    height: 280px;
  }

  /* 页脚单列堆叠 */
  .footer {
    padding: var(--space-10) 0 var(--space-6);
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  .footer-brand h3 {
    font-size: 1.1rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-3);
    text-align: center;
  }

  /* 产品详情页 */
  .product-hero {
    padding: 100px 0 40px;
  }
  .product-hero h1 {
    font-size: 1.75rem;
  }
  .product-hero p {
    font-size: 1rem;
  }
  .product-detail-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    padding: var(--space-8) 0;
  }
  .product-gallery-main {
    height: 280px;
  }
  .product-gallery-main svg {
    width: 80px;
    height: 80px;
  }
  .product-specs {
    padding: var(--space-4);
    margin: var(--space-4) 0;
  }
}

@media (max-width: 480px) {
  /* 极小屏容器 */
  .container {
    padding: 0 var(--space-4);
  }
  .container-sm {
    padding: 0 var(--space-4);
  }

  /* Hero 极小屏微调 */
  .hero {
    padding: 80px 0 48px;
  }
  .hero-stats {
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-2);
  }
  .hero-stat-number {
    font-size: 1.5rem;
  }
  .hero-stat-label {
    font-size: 0.75rem;
  }

  /* Section 更紧凑 */
  .section {
    padding: var(--space-10) 0;
  }
  .section-header h2 {
    font-size: 1.4rem;
  }

  /* 按钮全宽触摸友好 */
  .btn {
    padding: 12px 20px;
    font-size: 0.95rem;
    justify-content: center;
  }
  .btn-lg {
    padding: 13px 28px;
    font-size: 1rem;
  }

  /* 产品卡更小图 */
  .product-card-image {
    height: 180px;
  }
  .product-card-image svg {
    width: 50px;
    height: 50px;
  }
  .product-card-content {
    padding: var(--space-4);
  }

  /* FAQ 最小触控 */
  .faq-question {
    padding: var(--space-4);
    font-size: 0.9rem;
  }

  /* 联系区域 */
  .contact-info,
  .contact-form {
    padding: var(--space-4);
  }
  .contact-item {
    gap: var(--space-3);
    margin-bottom: var(--space-4);
  }

  /* Footer 更紧凑 */
  .footer {
    padding: var(--space-8) 0 var(--space-4);
  }

  /* 表单输入更大触控区 */
  .form-group input,
  .form-group textarea,
  .form-group select {
    padding: 12px 14px;
    font-size: 16px; /* iOS 不缩放 */
  }
}

/* --- 动画 --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* --- 加载状态 --- */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--text-white);
  animation: spin 0.8s linear infinite;
}

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

/* --- 区块滚动进场动画 --- */
section.features-section,
section.products-section,
section.about-section,
section.partners-section,
section.faq-section,
section.messages-section,
section.steps-section {
  transition: opacity 0.6s ease-out;
}

section.section-animate {
  opacity: 1 !important;
}

/* --- 合作伙伴区 --- */
.partners-section {
  padding: 80px 0;
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-6);
}

.partner-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-6);
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  transition: all 0.25s ease;
}

.partner-item:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(15, 76, 129, 0.12);
  transform: translateY(-2px);
}

.partner-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: var(--color-primary);
}

.partner-name {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
}

/* --- FAQ 折叠面板 --- */
.faq-section {
  padding: 80px 0;
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 12px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-white);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.faq-item.active {
  border-color: var(--color-primary);
  box-shadow: 0 4px 16px rgba(15, 76, 129, 0.1);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: background-color 0.2s;
}

.faq-question:hover {
  background-color: rgba(15, 76, 129, 0.03);
}

.faq-item.active .faq-question {
  color: var(--color-primary);
}

.faq-chevron {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out, padding 0.35s ease;
  padding: 0 var(--space-6);
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 var(--space-6) var(--space-5);
}

.faq-answer p {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* ===== 导航下拉菜单 V2（产品中心 / 服务支持） ===== */
.navbar-menu a {
  transition: color 0.2s ease;
}
.nav-dropdown {
  position: relative;
}
.nav-trigger {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.nav-trigger .nav-chevron {
  width: 9px;
  height: 9px;
  opacity: 0.65;
  transition: transform 0.25s ease;
}
.nav-dropdown.open .nav-trigger {
  color: var(--color-primary, #0f4c81);
}
.nav-dropdown.open .nav-trigger .nav-chevron {
  transform: rotate(180deg);
}
.nav-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  min-width: 176px;
  padding: 8px;
  background: #fff;
  border: 1px solid var(--border-light, #e8eef4);
  border-radius: 12px;
  box-shadow: 0 16px 40px rgba(15, 76, 129, 0.15);
  display: flex;
  flex-direction: column;
  gap: 2px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(-50%) translateY(10px);
  transform-origin: top center;
  transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
  z-index: 200;
}
.nav-menu::before {
  content: '';
  position: absolute;
  top: -5px;
  left: 50%;
  width: 9px;
  height: 9px;
  background: #fff;
  border-top: 1px solid var(--border-light, #e8eef4);
  border-left: 1px solid var(--border-light, #e8eef4);
  transform: translateX(-50%) rotate(45deg);
  border-radius: 2px 0 0 0;
}
.nav-dropdown.open .nav-menu,
.nav-dropdown:focus-within .nav-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(6px);
}
.nav-menu a {
  padding: 9px 14px !important;
  border-radius: 8px;
  font-size: 0.9rem !important;
  color: var(--text-secondary, #4a5b6a) !important;
  white-space: nowrap;
  transition: background 0.18s ease, color 0.18s ease, padding-left 0.18s ease;
}
.nav-menu a::after {
  display: none !important;
}
.nav-menu a:hover {
  background: var(--color-primary-light, #eaf2fa);
  color: var(--color-primary, #0f4c81) !important;
  padding-left: 18px !important;
}
@media (max-width: 1024px) {
  /* 移动端：点击手风琴展开 */
  .nav-dropdown {
    width: 100%;
  }
  .nav-trigger {
    justify-content: space-between;
    width: 100%;
  }
  .nav-menu {
    position: static;
    display: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
    box-shadow: none;
    border: none;
    background: transparent;
    min-width: 0;
    padding: 2px 0 6px 14px;
    margin: 2px 0;
    border-left: 2px solid var(--border-light, #e8eef4);
    border-radius: 0;
  }
  .nav-menu::before {
    display: none;
  }
  .nav-dropdown.open .nav-menu,
  .nav-dropdown:focus-within .nav-menu {
    display: flex;
    transform: none;
    animation: navDropIn 0.22s ease;
  }
  .nav-menu a {
    padding: 8px 10px !important;
    font-size: 0.92rem !important;
  }
  .nav-menu a:hover {
    padding-left: 14px !important;
  }
}
@keyframes navDropIn {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== 新闻动态列表 ===== */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.news-item {
  display: flex;
  gap: 24px;
  background: #fff;
  border-radius: 12px;
  padding: 28px 32px;
  box-shadow: var(--shadow-sm, 0 2px 8px rgba(15,76,129,0.06));
  border: 1px solid var(--border-light, #e8eef4);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}
.news-item:hover {
  box-shadow: var(--shadow-md, 0 8px 24px rgba(15,76,129,0.12));
  transform: translateY(-2px);
}
.news-date {
  flex-shrink: 0;
  width: 110px;
  text-align: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.95rem;
  color: var(--color-primary, #0f4c81);
  background: var(--color-primary-light, #eaf2fa);
  border-radius: 10px;
  padding: 12px 8px;
  font-weight: 600;
  align-self: flex-start;
}
.news-body h3 {
  font-size: 1.15rem;
  color: var(--text-primary, #1a2b3a);
  margin-bottom: 8px;
}
.news-body p {
  color: var(--text-secondary, #4a5b6a);
  line-height: 1.8;
  font-size: 0.95rem;
}
@media (max-width: 640px) {
  .news-item {
    flex-direction: column;
    gap: 14px;
    padding: 22px;
  }
  .news-date {
    width: auto;
    align-self: flex-start;
    padding: 6px 14px;
  }
}