/* ==================== 基础样式 ==================== */
:root {
  /* 颜色系统 */
  --color-primary: #2a6e3f;
  --color-primary-dark: #1d4d2a;
  --color-secondary: #8B7355;
  --color-accent: #3a8b5f;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-background: #f8f9fa;
  --color-white: #ffffff;
  --color-light-gray: #f0f0f0;
  --color-border: #e0e0e0;
  --color-modal-overlay: rgba(0, 0, 0, 0.8);
  
  /* 字体系统 */
  --font-family: 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-size-base: 1rem;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3rem;
  
  /* 间距系统 */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* 阴影 */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
  --shadow-modal: 0 20px 40px rgba(0, 0, 0, 0.2);
  
  /* 边框半径 */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-full: 9999px;
  
  /* 过渡效果 */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text);
  line-height: 1.6;
  background-color: var(--color-background);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ==================== 通用组件 ==================== */
/* 按钮样式 */
.btn {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-base);
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--border-radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

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

.btn-view-detail {
  background-color: var(--color-accent);
  color: var(--color-white);
  width: 100%;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.btn-view-detail:hover {
  background-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-map {
  background-color: #4d8df5;
  color: white;
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm);
}

.btn-map:hover {
  background-color: #3a7ae0;
}

.btn-retry {
  padding: 10px 20px;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  font-size: 0.9rem;
  transition: background-color var(--transition-fast);
}

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

/* Hero区域专用按钮 - 白色背景，深色文字 */
.btn-hero-light {
    background-color: var(--color-white);
    color: var(--color-primary);
    border: 2px solid var(--color-white);
}

.btn-hero-light:hover {
    background-color: rgba(255, 255, 255, 0.9);
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.3);
}

/* 可选：深色背景的深色按钮，对比度更好 */
.btn-hero-dark {
    background-color: rgba(0, 0, 0, 0.7);
    color: var(--color-white);
    border: 2px solid var(--color-white);
}

.btn-hero-dark:hover {
    background-color: rgba(0, 0, 0, 0.9);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    border-color: var(--color-white);
}

/* 可选：浅色边框的透明按钮 */
.btn-hero-border {
    background-color: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.8);
}

.btn-hero-border:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
    border-color: var(--color-white);
}

/* 区块标题 */
.section {
  padding: var(--spacing-2xl) 0;
}

.section-title {
  font-size: var(--font-size-4xl);
  text-align: center;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  text-align: center;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ==================== 导航栏 ==================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  backdrop-filter: blur(10px);
  padding: 0;
  transition: all var(--transition-normal);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  max-width: 1200px;
  margin: 0 auto;
  height: 70px;
  box-sizing: border-box;
}

.logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--color-primary);
  font-weight: 700;
  align-items: flex-start;
  height: 100%;
  justify-content: center;
  flex-shrink: 0;
}

.logo-text {
  font-weight: 800;
  letter-spacing: -0.5px;
  white-space: nowrap;
  overflow: visible !important;
  text-overflow: clip !important;
}

.logo-text.full-name {
  font-size: 1.5rem;
  line-height: 1;
}

.logo-text.short-name {
  font-size: 1.3rem;
  line-height: 1;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
  margin: 0;
  padding: 0;
}

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

.nav-link {
  text-decoration: none;
  color: var(--color-text);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-md);
  position: relative;
  transition: all var(--transition-fast);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-base);
}

.nav-link:hover {
  color: var(--color-primary);
  background-color: rgba(42, 110, 63, 0.05);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: var(--spacing-md);
  right: var(--spacing-md);
  height: 2px;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transform-origin: bottom center;
  transition: transform var(--transition-normal);
}

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

/* 移动端菜单按钮 */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 24px;
  height: 18px;
  position: relative;
  padding: 0;
  margin: 0;
  z-index: 1001;
}

.hamburger {
  position: absolute;
  width: 100%;
  height: 2px;
  background-color: var(--color-text);
  transition: all var(--transition-normal);
  top: 50%;
  transform: translateY(-50%);
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  background-color: var(--color-text);
  left: 0;
  transition: all var(--transition-normal);
}

.hamburger::before {
  top: -6px;
}

.hamburger::after {
  bottom: -6px;
}

.menu-toggle.active .hamburger {
  background-color: transparent;
}

.menu-toggle.active .hamburger::before {
  transform: rotate(45deg);
  top: 0;
}

.menu-toggle.active .hamburger::after {
  transform: rotate(-45deg);
  bottom: 0;
}

/* 导航栏响应式 */
@media (max-width: 1080px) {
  .nav-list {
    display: none;
  }
  
  .menu-toggle {
    display: block !important;
  }
  
  .nav-list.active {
    display: flex;
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    flex-direction: column;
    background: white;
    padding: 20px 0;
    z-index: 1000;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  }
}

@media (max-width: 768px) {
  .header {
    padding: 0 var(--spacing-sm);
    height: 64px;
  }
  
  .nav {
    padding: 0;
    height: 64px;
    position: relative;
  }
  
  .logo {
    position: absolute;
    left: var(--spacing-sm);
    top: 50%;
    transform: translateY(-50%);
    white-space: nowrap;
  }

  .nav-list {
    position: fixed;
    top: 64px !important;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    flex-direction: column;
    align-items: center;
    padding: 0;
    margin: 0;
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 999;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
    border-top: 1px solid var(--color-border);
  }
  
  .nav-list.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-item {
    width: 100%;
    display: block;
  }
  
  .nav-link {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: center;
    font-size: var(--font-size-base);
    color: var(--color-text);
    transition: all var(--transition-fast);
    background-color: var(--color-white);
    width: 100%;
    box-sizing: border-box;
    position: relative;
    border-bottom: 1px solid var(--color-border);
  }
  
  .nav-link:hover,
  .nav-link:focus {
    background-color: rgba(42, 110, 63, 0.08);
    color: var(--color-primary);
  }
  
  .nav-link:active {
    background-color: rgba(42, 110, 63, 0.12);
  }

  .nav-item:last-child .nav-link {
    border-bottom: none;
  }

  .menu-toggle {
    position: absolute;
    right: var(--spacing-sm);
    top: 50%;
    transform: translateY(-50%);
    width: 22px;
    height: 16px;
  }
  
  .nav-list::-webkit-scrollbar {
    width: 4px;
  }
  
  .nav-list::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
  }
  
  .nav-list::-webkit-scrollbar-thumb {
    background: rgba(42, 110, 63, 0.3);
    border-radius: 2px;
  }
  
  .nav-list::-webkit-scrollbar-thumb:hover {
    background: rgba(42, 110, 63, 0.5);
  }
}

@media (max-width: 768px) and (min-width: 481px) {
  .logo {
    left: var(--spacing-md);
  }
  
  .logo-text.short-name {
    font-size: 1.4rem;
  }
}

/* 桌面端样式 - 宽度不小于575px时显示全称 */
@media (min-width: 575px) {
  .logo-text.full-name {
    display: block !important;
  }
  
  .logo-text.short-name {
    display: none !important;
  }
}

/* 移动端样式 - 宽度小于575px时显示简称 */
@media (max-width: 574px) {
  .logo-text.full-name {
    display: none !important;
  }
  
  .logo-text.short-name {
    display: block !important;
  }
}

@media (max-width: 480px) {
  .nav {
    height: 60px;
  }
  
  .header {
    height: 60px;
  }
  
  .nav-list {
    top: 60px !important;
    max-height: calc(100vh - 60px);
  }
  
  .logo-text {
    font-size: 1rem;
    max-width: 130px;
    letter-spacing: 0.3px;
  }

  .nav-link {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.95rem;
  }
  
  .menu-toggle {
    width: 20px;
    height: 14px;
  }
}

@media (max-width: 360px) {
  .logo-text {
    font-size: 0.9rem;
    max-width: 110px;
  }
  
  .logo-text.short-name {
    font-size: 1rem;
    max-width: 90px;
  }
  
  .nav-link {
    padding: 10px var(--spacing-sm);
  }
}

/* ==================== Hero区域 ==================== */
.hero {
  height: 100vh;
  min-height: 600px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.4)),
              url('images/hero.png') no-repeat center center;
  background-size: cover;
  color: var(--color-white);
  padding: 0 var(--spacing-md);
  position: relative;
}

.hero-content {
  max-width: 800px;
  z-index: 1;
}

.hero-title {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
  font-weight: 300;
}

.hero-description {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero .btn {
  margin: 0 var(--spacing-xs);
  min-width: 140px;
}

.scroll-indicator {
  position: absolute;
  bottom: var(--spacing-xl);
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-white);
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: bounce 2s infinite;
}

.scroll-indicator i {
  margin-top: var(--spacing-xs);
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

/* Hero区域响应式 */
@media (max-width: 768px) {
  .hero-title {
    font-size: var(--font-size-4xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-xl);
  }
  
  .hero-description {
    font-size: var(--font-size-base);
  }
  
  .hero .btn {
    display: block;
    margin: var(--spacing-sm) auto;
    width: 80%;
    max-width: 250px;
  }
}

@media (max-width: 480px) {
  .hero {
    min-height: 500px;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1.25rem;
  }
}

/* ==================== 企业简介 ==================== */
.about-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.about-text p {
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-lg);
  line-height: 1.8;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

.stat-item {
  text-align: center;
  padding: var(--spacing-lg) var(--spacing-md);
  background-color: var(--color-white);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
}

.stat-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.stat-number {
  display: block;
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  font-weight: 500;
}

/* ==================== 厂房照片展示 ==================== */
.factory-photos-section {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.factory-photos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.factory-photo {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    aspect-ratio: 4/3;
    background-color: var(--color-light-gray);
}

.factory-photo:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.factory-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.factory-photo:hover img {
    transform: scale(1.05);
}

/* 企业简介响应式 */
@media (max-width: 992px) {
  .about-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .about-stats {
    grid-template-columns: 1fr;
  }
}

/* 厂房照片响应式 */
@media (max-width: 992px) and (min-width: 769px) {
    .factory-photos-grid {
        gap: var(--spacing-sm);
    }
    
    .factory-photo {
        aspect-ratio: 3/2;
    }
}

/* 移动端：三张照片一列显示 */
@media (max-width: 768px) {
    .factory-photos-section {
        margin-top: var(--spacing-xl);
        padding-top: var(--spacing-lg);
    }
    
    .factory-photos-grid {
        grid-template-columns: 1fr; /* 改为单列 */
        gap: var(--spacing-md); /* 保持垂直间距 */
        max-width: 600px; /* 限制最大宽度 */
        margin: 0 auto; /* 居中显示 */
    }
    
    .factory-photo {
        aspect-ratio: 16/9; /* 移动端使用更宽的比例 */
        width: 100%; /* 确保占满容器宽度 */
    }
}

/* 超小手机：调整间距 */
@media (max-width: 480px) {
    .factory-photos-grid {
        gap: var(--spacing-sm);
    }
    
    .factory-photo {
        aspect-ratio: 4/3; /* 改回更传统的比例 */
    }
}

/* ==================== 产品优势 ==================== */
.advantages-section {
  background-color: var(--color-light-gray);
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.advantage-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  text-align: center;
}

.advantage-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.advantage-icon {
  width: 70px;
  height: 70px;
  background-color: rgba(42, 110, 63, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
}

.advantage-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.advantage-description {
  color: var(--color-text-light);
  line-height: 1.6;
}

/* 产品优势响应式 */
@media (max-width: 768px) {
  .advantages-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }
}

/* ==================== 产品介绍 ==================== */
.product-category {
  margin-bottom: var(--spacing-2xl);
}

.category-title {
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
  padding-bottom: var(--spacing-xs);
  border-bottom: 2px solid rgba(42, 110, 63, 0.2);
}

.category-description {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.product-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.product-image {
  height: 150px;
    width: 100%;
    background-color: var(--color-light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
    overflow: hidden; /* 新增：防止图片溢出 */
    position: relative; /* 新增：为图片定位 */
}

.product-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover; /* 确保图片覆盖整个区域，保持比例 */
    transition: transform var(--transition-normal);
}

.product-card:hover .product-thumbnail {
    transform: scale(1.05); /* 悬停时轻微放大 */
}

.product-card:hover .product-image {
  filter: brightness(1.05);
}

.image-placeholder {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  text-align: center;
}

.product-info {
  padding: var(--spacing-md);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.product-color-name {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
  text-align: center;
}

/* 产品介绍响应式 */
@media (max-width: 992px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .products-grid {
    grid-template-columns: 1fr;
  }
}

/* ==================== 联系方式 ==================== */
.contact-main-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-xl);
  width: 100%;
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  width: 100%;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
}

.contact-icon {
  width: 50px;
  height: 50px;
  background-color: rgba(42, 110, 63, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-details h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.contact-details p {
  color: var(--color-text-light);
  margin-bottom: 4px;
}

/* 地图容器 */
.map-container {
  display: flex;
  flex-direction: column;
}

.map-container h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

/* 地图包装容器 */
.map-wrapper {
  position: relative;
  width: 100%;
  height: 350px;
  background: #f5f5f5;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  margin-bottom: var(--spacing-sm);
}

/* 加载状态 */
.map-loading {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.95);
  z-index: 10;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid #e0e0e0;
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 15px;
}

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

.loading-tip {
  font-size: 12px;
  color: #999;
  margin-top: 5px;
}

/* 错误状态 */
.map-error {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #f9f9f9;
  z-index: 20;
  color: #666;
}

.map-error i {
  font-size: 2.5rem;
  color: #e74c3c;
  margin-bottom: 15px;
}

.map-error p {
  margin-bottom: 15px;
  font-size: 1rem;
}

/* 静态地图备用 */
.static-map {
  position: relative;
  width: 100%;
  height: 100%;
  background: #e0e0e0;
}

.static-map-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: #666;
}

.static-map-placeholder i {
  font-size: 3rem;
  margin-bottom: 10px;
  color: var(--color-primary);
}

.static-map-placeholder p {
  font-size: 1rem;
}

.static-map-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  padding: 15px;
  text-align: center;
}

.static-map-overlay p {
  margin: 5px 0;
  font-size: 0.9rem;
}

.static-map-overlay p strong {
  font-size: 1rem;
}

.btn-static-map {
  display: inline-block;
  margin-top: 10px;
  padding: 8px 16px;
  background: #4d8df5;
  color: white;
  border-radius: var(--border-radius-sm);
  font-size: 0.9rem;
  text-decoration: none;
  transition: background-color var(--transition-fast);
}

.btn-static-map:hover {
  background: #3a7ae0;
  color: white;
}

/* 导航选项区域 */
.navigation-options {
  margin-top: var(--spacing-md);
}

.nav-buttons .btn {
  width: 100%;
  display: block;
}

.nav-buttons {
  display: flex;
  justify-content: center;
}

/* 自定义标记点样式 */
.custom-marker {
  width: 30px;
  height: 30px;
  background: var(--color-primary);
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.custom-marker i {
  color: white;
  transform: rotate(45deg);
  font-size: 14px;
}

/* 简化信息窗口样式 */
.simple-info-window {
  max-width: 200px;
  padding: 10px;
  background: white;
  border-radius: 4px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.info-row {
  display: flex;
  align-items: flex-start;
  margin-bottom: 8px;
}

.info-row i {
  color: #2a6e3f;
  margin-right: 8px;
  margin-top: 3px;
  flex-shrink: 0;
  font-size: 14px;
}

.company-name {
  margin: 0;
  font-size: 14px;
  font-weight: bold;
  color: #333;
  line-height: 1.3;
}

.company-address {
  margin: 0;
  font-size: 12px;
  color: #666;
  line-height: 1.4;
}

/* 二维码区域 */
.qrcode-section {
    width: 100%;
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-xl);
}

.qrcode-section-title {
    font-size: var(--font-size-xl);
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
}

.qrcodes-container {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
    width: 100%;
}

.qrcode-item {
    text-align: center;
    flex: 0 0 auto;
    width: 250px;
}

.qrcode-item h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
    font-weight: 600;
}

/* 二维码图片容器 */
.qrcode-image {
    position: relative;
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    height: 240px;
    width: 100%;
    margin: 0 auto;
    overflow: hidden;
    transition: all var(--transition-normal);
    border: 1px solid var(--color-border);
}

.qrcode-image:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* 二维码图片 */
.qrcode-img {
    width: 100%;
    height: 100%;
    object-fit: contain; /* 确保整个二维码可见，不会被裁剪 */
    border-radius: var(--border-radius-md);
    transition: transform var(--transition-normal);
}

.qrcode-image:hover .qrcode-img {
    transform: scale(1.03);
}

/* 二维码遮罩层 */
.qrcode-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
    border-radius: var(--border-radius-md);
    pointer-events: none;
}

.qrcode-image:hover .qrcode-overlay {
    opacity: 1;
}

.qrcode-overlay i {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.qrcode-overlay p {
    color: var(--color-text);
    font-weight: 500;
    font-size: var(--font-size-sm);
}

/* 二维码加载状态 */
.qrcode-image.loading {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* 二维码加载失败时的备用样式 */
.qrcode-image.error::before {
    content: "二维码加载失败";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

/* 联系方式响应式 */
@media (max-width: 992px) {
  .contact-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .qrcodes-container {
    gap: var(--spacing-lg);
  }
  
  .map-wrapper {
    height: 300px;
  }
}

/* 二维码区域响应式 */
@media (max-width: 992px) {
    .qrcodes-container {
        gap: var(--spacing-lg);
    }
    
    .qrcode-item {
        width: 220px;
    }
    
    .qrcode-image {
        height: 220px;
    }
}

@media (max-width: 768px) {
    .qrcodes-container {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-xl);
    }
    
    .qrcode-item {
        width: 280px;
    }
    
    .qrcode-image {
        height: 280px;
        width: 280px;
    }
    
    .qrcode-section-title {
        font-size: var(--font-size-lg);
    }
    
    .qrcode-item h4 {
        font-size: var(--font-size-base);
    }
}

@media (max-width: 480px) {
    .qrcode-item {
        width: 100%;
        max-width: 250px;
    }
    
    .qrcode-image {
        height: 250px;
        width: 100%;
        padding: var(--spacing-xs);
    }
}

/* ==================== 页脚 ==================== */
.footer {
  background-color: #2c3e50;
  color: var(--color-white);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

/* 商标区域 */
.footer-brand {
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.brand-logo {
  width: 150px;
  height: 150px;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background-color: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.brand-image:hover {
  transform: scale(1.05);
}

/* 快速链接 */
.footer-links h4,
.footer-contact h4 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
  color: var(--color-white);
}

.footer-links ul {
  list-style: none;
  padding-left: 0;
}

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color var(--transition-fast);
  display: inline-block;
  padding: 2px 0;
}

.footer-links a:hover {
  color: var(--color-white);
  transform: translateX(5px);
}

/* 联系信息 */
.footer-contact p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--spacing-xs);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
}

.footer-contact i {
  width: 16px;
  text-align: center;
}

/* 页脚底部信息 */
.footer-bottom {
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--font-size-sm);
  grid-column: 1 / -1;
}

.footer-bottom p {
  margin-bottom: var(--spacing-xs);
}

/* 页脚响应式 */
@media (max-width: 992px) {
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
  
  .footer-brand {
    grid-column: 1 / -1;
    justify-content: center;
  }
  
  .brand-logo {
    width: 120px;
    height: 120px;
  }
}

@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-links ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
  }
  
  .footer-links li {
    margin-bottom: 0;
  }
  
  .footer-contact p {
    justify-content: center;
  }
  
  .brand-logo {
    width: 100px;
    height: 100px;
  }
}

@media (max-width: 480px) {
  .footer-links ul {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
  
  .brand-logo {
    width: 80px;
    height: 80px;
  }
}

/* ==================== 回到顶部按钮 ==================== */
.back-to-top {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  width: 50px;
  height: 50px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 999;
  box-shadow: var(--shadow-md);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-3px);
}

/* ==================== 产品详情模态框 ==================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-modal-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  padding: var(--spacing-md);
}

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

.modal-container {
  width: 100%;
  max-width: 700px;
  max-height: 90vh;
  overflow-y: auto;
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-modal);
  animation: modalFadeIn 0.3s ease-out;
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-content {
  display: flex;
  flex-direction: column;
}

.modal-image-container {
  padding: var(--spacing-xl);
  background-color: var(--color-light-gray);
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.modal-image {
  width: 100%;
  height: 300px;
  border-radius: var(--border-radius-md);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  box-shadow: var(--shadow-md);
}

.modal-info {
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.modal-header {
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.modal-title {
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.modal-category {
  display: inline-block;
  background-color: rgba(42, 110, 63, 0.1);
  color: var(--color-primary);
  padding: 8px 20px;
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-base);
  font-weight: 500;
  margin-bottom: var(--spacing-md);
}

.modal-footer {
  text-align: center;
}

.btn-close-modal {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-sm) var(--spacing-xl);
}

.btn-close-modal:hover {
  background-color: var(--color-primary-dark);
}

/* 模态框响应式 */
@media (max-width: 992px) {
  .modal-content {
    grid-template-columns: 1fr;
  }
  
  .modal-image-container {
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    padding: var(--spacing-lg);
  }
  
  .modal-image {
    height: 250px;
  }
}

@media (max-width: 768px) {
  .modal-image {
    height: 200px;
  }
}

/* ==================== 全局响应式调整 ==================== */
@media (max-width: 992px) {
  :root {
    --font-size-4xl: 2rem;
    --font-size-5xl: 2.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
  }
}

@media (max-width: 480px) {
  :root {
    --font-size-3xl: 1.75rem;
    --font-size-4xl: 1.75rem;
    --font-size-5xl: 2rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 1.5rem;
  }

  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .section {
    padding: var(--spacing-xl) 0;
  }
}

/* 桌面端特定样式 */
@media (min-width: 769px) {
  .logo-text.full-name {
    display: block !important;
  }
  
  .logo-text.short-name {
    display: none !important;
  }
}