/* 全局样式重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #0056b3;
  --secondary-color: #005bbf;
  --text-color: #333;
  --light-gray: #f5f5f5;
  --border-color: #e0e0e0;
  --white: #ffffff;
  --whatsapp-green: #25d366;
}

body {
  font-family: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--white);
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s;
}

a:hover {
  color: var(--secondary-color);
}

ul {
  list-style: none;
}

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

/* 头部区域 */
.header-top {
  background-color: var(--white);
  padding: 25px 0;
  border-bottom: 1px solid var(--border-color);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  gap: 20px;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 20px;
  flex: 1;
}

.header-logo img {
  width: 100px;
  height: auto;
}

.header-logo-text h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary-color);
  line-height: 1.3;
  margin: 0;
  white-space: nowrap;
}

.header-contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
  justify-content: center;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-color);
}

.contact-item i {
  color: var(--secondary-color);
  font-size: 16px;
}

.contact-item a:hover {
  color: var(--secondary-color);
}

.header-qrcode {
  display: flex;
  gap: 15px;
  align-items: center;
  justify-content: center;
}

.header-qrcode img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  cursor: pointer;
  border: 2px solid #ddd;
  border-radius: 5px;
}

/* 导航栏 */
.nav-bar {
  background-color: var(--primary-color);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
}

.nav-menu {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
}

.nav-menu > li {
  position: relative;
}

.nav-menu > li > a {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 20px 25px;
  color: var(--white);
  font-size: 15px;
  font-weight: 500;
  transition: all 0.3s;
  white-space: nowrap;
  border-bottom: 3px solid transparent;
}

.nav-menu > li > a:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-bottom-color: var(--secondary-color);
}

.nav-menu > li.current-menu-item > a {
  border-bottom-color: var(--secondary-color);
  background-color: rgba(255, 255, 255, 0.05);
}

.nav-menu > li > a i {
  font-size: 12px;
  transition: transform 0.3s;
}

.nav-menu > li:hover > a i {
  transform: rotate(180deg);
}

/* 下拉菜单 */
.nav-menu .submenu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background-color: var(--white);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  display: none;
  z-index: 100;
  border-radius: 0 0 8px 8px;
  overflow: hidden;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.nav-menu > li:hover > .submenu {
  display: block;
}

.nav-menu .submenu li {
  position: relative;
}

.nav-menu .submenu a {
  display: block;
  padding: 12px 20px;
  color: var(--text-color);
  font-size: 14px;
  border-bottom: 1px solid var(--border-color);
  transition: all 0.2s;
}

.nav-menu .submenu a:hover {
  background-color: var(--secondary-color);
  color: var(--white);
  padding-left: 25px;
}

.nav-menu .submenu li:last-child a {
  border-bottom: none;
}

.nav-search {
  position: relative;
  flex-shrink: 0;
}

.nav-search input {
  width: 320px;
  padding: 10px 45px 10px 15px;
  border: none;
  border-radius: 4px;
  font-size: 13px;
  outline: none;
}

.nav-search input:focus {
  box-shadow: 0 0 0 2px rgba(0, 91, 191, 0.3);
}

.nav-search button {
  position: absolute;
  right: 5px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--secondary-color);
  border: none;
  color: var(--white);
  cursor: pointer;
  padding: 6px 12px;
  border-radius: 3px;
  transition: background-color 0.3s;
}

.nav-search button:hover {
  background-color: var(--primary-color);
}

/* 导航栏右侧容器 */
.nav-right {
  display: flex;
  align-items: center;
  gap: 15px;
  flex-shrink: 0;
}

/* 开发环境专属：后台管理入口按钮 */
.dev-admin-btn {
  display: none; /* 默认隐藏 */
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: var(--white) !important;
  text-decoration: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  transition: all 0.3s;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
  position: relative;
}

/* 开发环境时显示 */
.dev-admin-btn.visible {
  display: inline-flex !important;
}

.dev-admin-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
  background: linear-gradient(135deg, #d97706, #b45309);
}

.dev-admin-btn i {
  font-size: 14px;
}

/* 开发环境按钮的脉冲动画提示 */
.dev-admin-btn::before {
  content: '';
  position: absolute;
  top: -2px;
  right: -2px;
  width: 8px;
  height: 8px;
  background: #10b981;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  }
  70% {
    box-shadow: 0 0 0 6px rgba(16, 185, 129, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

/* 轮播图 */
.carousel-section {
  position: relative;
  width: 100%;
  overflow: hidden;
  height: 350px;
}

.carousel-container {
  position: relative;
  width: 100%;
  height: 100%;
}

.carousel-slide {
  display: none;
  width: 100%;
  height: 100%;
}

.carousel-slide.active {
  display: block;
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.5);
  border: none;
  padding: 20px 15px;
  cursor: pointer;
  font-size: 24px;
  color: #333;
  transition: background 0.3s;
  z-index: 10;
}

.carousel-btn:hover {
  background: rgba(255, 255, 255, 0.8);
}

.carousel-btn.prev {
  left: 20px;
}

.carousel-btn.next {
  right: 20px;
}

/* 计数器区域 */
.counter-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, #003d80 100%);
  padding: 40px 0;
  position: relative;
}

.counter-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.3);
}

.counter-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  position: relative;
  z-index: 1;
}

.counter-item {
  text-align: center;
  color: var(--white);
}

.counter-title {
  font-size: 16px;
  font-weight: 400;
  margin-bottom: 10px;
  opacity: 0.9;
}

.counter-number {
  font-size: 48px;
  font-weight: 700;
  color: var(--white);
}

.counter-suffix {
  font-size: 48px;
  font-weight: 700;
}

/* 主制造商区域 */
.manufacturers-section {
  padding: 60px 0;
  background-color: var(--light-gray);
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 40px;
}

.manufacturers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.manufacturer-card {
  background: var(--white);
  padding: 20px;
  text-align: center;
  transition: all 0.3s;
  cursor: pointer;
  border-radius: 3px;
}

.manufacturer-card:hover {
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  transform: translateY(-5px);
}

.manufacturer-card img {
  width: 100%;
  max-width: 150px;
  height: auto;
  margin-bottom: 15px;
  transition: transform 0.3s;
}

.manufacturer-card:hover img {
  transform: scale(0.95);
}

.manufacturer-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.manufacturer-card p {
  font-size: 13px;
  color: #666;
  line-height: 1.5;
}

/* 搜索横幅区域 */
.search-banner-section {
  background-size: cover;
  background-position: center;
  padding: 80px 0;
  position: relative;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: url('/public/scroll-bg-1.png');
}

.search-banner-content {
  text-align: center;
  position: relative;
  z-index: 2;
}

.search-banner-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 30px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.search-banner-form {
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}

.search-banner-form input {
  width: 100%;
  padding: 15px 50px 15px 20px;
  border: none;
  border-radius: 5px;
  font-size: 14px;
}

.search-banner-form button {
  position: absolute;
  right: 5px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--secondary-color);
  cursor: pointer;
  padding: 10px;
  font-size: 18px;
}

/* 公司介绍区域 */
.about-section {
  padding: 60px 0;
  background-color: var(--white);
}

.about-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.about-content h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.about-content p {
  font-size: 15px;
  color: #666;
  line-height: 1.8;
  margin-bottom: 25px;
}

.about-btn {
  display: inline-block;
  padding: 12px 30px;
  background-color: var(--primary-color);
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
  border-radius: 3px;
  transition: background-color 0.3s;
}

.about-btn:hover {
  background-color: var(--secondary-color);
  color: var(--white);
}

.about-image img {
  width: 100%;
  height: auto;
  border-radius: 5px;
}

/* 表单区域 */
.form-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, #003d80 100%);
  padding: 60px 0;
  position: relative;
}

.form-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.2);
}

.form-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  position: relative;
  z-index: 1;
}

.form-content {
  color: var(--white);
}

.form-content h3 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 20px;
}

.form-content p {
  font-size: 16px;
  line-height: 1.6;
  opacity: 0.9;
}

.contact-form {
  background: var(--white);
  padding: 30px;
  border-radius: 5px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 15px;
  margin-bottom: 15px;
  border: 1px solid var(--border-color);
  border-radius: 3px;
  font-size: 14px;
}

.contact-form textarea {
  min-height: 100px;
  resize: vertical;
}

.contact-form button {
  width: 100%;
  padding: 15px;
  background-color: var(--primary-color);
  color: var(--white);
  border: none;
  border-radius: 3px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s;
}

.contact-form button:hover {
  background-color: var(--secondary-color);
}

/* 底部区域 */
.footer {
  background-color: var(--primary-color);
  color: var(--white);
  padding-top: 40px;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer-widget h2 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--secondary-color);
}

.footer-menu li {
  margin-bottom: 10px;
}

.footer-menu a {
  color: var(--white);
  font-size: 14px;
  opacity: 0.9;
}

.footer-menu a:hover {
  opacity: 1;
  color: var(--white);
}

.footer-qrcode {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.footer-qrcode img {
  width: 80px;
  height: 80px;
  object-fit: cover;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 14px;
}

.footer-contact i {
  margin-top: 2px;
}

/* 底部版权 */
.footer-bottom {
  background-color: rgba(0, 0, 0, 0.2);
  padding: 15px 0;
  margin-top: 40px;
  text-align: center;
  padding-bottom: 80px;
}

.footer-bottom p {
  font-size: 13px;
  opacity: 0.8;
}

/* Floating Menu - Default icon only, single button hover expand */
/* 单个按钮独立hover展开 + 功能链接绑定 */
.floating-menu {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 99999; /* 确保不被其他元素遮挡 */
}

.floating-menu ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

/* 默认状态：仅显示图标，文字隐藏 */
.floating-menu li {
  background-color: var(--primary-color);
  border-radius: 50px;
  overflow: hidden; /* 核心：隐藏溢出的文字内容 */
  width: 48px; /* 默认宽度：仅显示图标 */
  height: 48px;
  transition: width 0.3s ease, background-color 0.3s ease; /* 核心：0.3s平滑过渡 */
  cursor: pointer;
}

/* hover状态：仅当前按钮展开显示完整内容 */
.floating-menu li:hover {
  width: auto; /* 展开：宽度自适应文字内容 */
  background-color: var(--secondary-color);
  border-radius: 50px;
}

.floating-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  color: var(--white);
  font-size: 14px;
  white-space: nowrap; /* 核心：文字不换行 */
  height: 48px;
  cursor: pointer;
}

.floating-menu i {
  font-size: 22px;
  min-width: 24px;
  text-align: center;
}

.floating-menu span {
  padding-right: 8px;
}

/* 移动端适配 - 触摸展开 */
@media (max-width: 768px) {
  .floating-menu {
    right: 10px;
    top: 50%;
  }
  
  .floating-menu li {
    width: 44px;
    height: 44px;
  }
  
  .floating-menu a {
    padding: 10px 12px;
    height: 44px;
    font-size: 13px;
  }
  
  .floating-menu i {
    font-size: 20px;
    min-width: 22px;
  }
  
  /* 移动端触摸展开 */
  .floating-menu li:hover,
  .floating-menu li:active {
    width: auto;
  }
}

/* WhatsApp 按钮浮动 */
.whatsapp-float {
  position: fixed;
  bottom: 100px;
  right: 15px;
  z-index: 9999;
}

.whatsapp-float a {
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: var(--whatsapp-green);
  color: var(--white);
  padding: 16px;
  border-radius: 50%;
  box-shadow: 0 0 11px rgba(0, 0, 0, 0.5);
  transition: all 0.3s;
}

.whatsapp-float a:hover {
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.6);
}

.whatsapp-float svg {
  width: 36px;
  height: 36px;
  display: block;
}

/* 响应式 */
@media (max-width: 1024px) {
  .manufacturers-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .counter-container {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .header-container {
    flex-direction: column;
    gap: 15px;
  }
  
  .header-logo-text h3 {
    font-size: 14px;
    white-space: normal;
    text-align: center;
  }
  
  .header-qrcode img {
    width: 60px;
    height: 60px;
  }
  
  .manufacturers-grid {
    grid-template-columns: 1fr;
  }
  
  .about-container,
  .form-container {
    grid-template-columns: 1fr;
  }
  
  .counter-container {
    grid-template-columns: 1fr;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
  }
  
  .nav-menu {
    display: none;
  }
  
  .nav-search input {
    width: 200px;
  }
  
  .search-banner-title {
    font-size: 24px;
  }
}

@media (max-width: 480px) {
  .counter-number {
    font-size: 36px;
  }
  
  .section-title {
    font-size: 24px;
  }
}

/* 产品分类页面样式 */
.category-banner {
  width: 100%;
  overflow: hidden;
}

.category-banner img {
  width: 100%;
  height: auto;
  display: block;
}

.category-main {
  padding: 40px 0;
  background-color: var(--white);
}

.category-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.category-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.category-count {
  font-size: 14px;
  color: #666;
  margin-bottom: 30px;
}

/* 产品网格 */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.product-item {
  background: var(--white);
  border: 1px solid var(--border-color);
  transition: all 0.3s;
}

.product-item:hover {
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  border-color: var(--secondary-color);
}

.product-link {
  display: block;
  padding: 15px;
}

.product-image {
  width: 100%;
  height: 200px;
  object-fit: contain;
  margin-bottom: 15px;
}

.product-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 10px;
  line-height: 1.4;
  min-height: 40px;
}

.product-brand {
  display: inline-block;
  font-size: 12px;
  color: var(--secondary-color);
  background: rgba(0, 91, 191, 0.1);
  padding: 3px 8px;
  border-radius: 3px;
}

/* 分页 */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-top: 40px;
}

.pagination a,
.pagination span {
  display: inline-block;
  padding: 8px 15px;
  border: 1px solid var(--border-color);
  color: var(--text-color);
  font-size: 14px;
  transition: all 0.3s;
}

.pagination a:hover {
  background-color: var(--secondary-color);
  color: var(--white);
  border-color: var(--secondary-color);
}

.pagination .current {
  background-color: var(--primary-color);
  color: var(--white);
  border-color: var(--primary-color);
}

/* 产品详情页样式 */
.product-main {
  padding: 40px 0;
  background-color: var(--white);
}

.product-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 面包屑 */
.breadcrumb {
  font-size: 13px;
  color: #666;
  margin-bottom: 30px;
}

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

.breadcrumb a:hover {
  text-decoration: underline;
}

/* 产品详情 */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

/* 产品画廊 */
.product-gallery {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.product-gallery .main-image {
  border: 1px solid var(--border-color);
  padding: 20px;
}

.product-gallery .main-image img {
  width: 100%;
  height: auto;
}

.product-gallery .thumbnail {
  width: 80px;
  height: 80px;
  border: 1px solid var(--border-color);
  cursor: pointer;
}

.product-gallery .thumbnail:hover {
  border-color: var(--secondary-color);
}

/* 产品信息 */
.product-info .product-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 15px;
  min-height: auto;
}

.product-info .product-sku {
  font-size: 14px;
  color: #666;
  margin-bottom: 10px;
}

.product-info .product-brand {
  font-size: 14px;
  margin-bottom: 15px;
}

.product-info .product-price {
  font-size: 24px;
  font-weight: 700;
  color: var(--secondary-color);
  margin-bottom: 15px;
}

.product-info .product-stock {
  font-size: 14px;
  margin-bottom: 15px;
  padding: 5px 10px;
  display: inline-block;
  border-radius: 3px;
}

.product-info .product-stock.in-stock {
  background: #d4edda;
  color: #155724;
}

.product-info .product-stock.out-of-stock {
  background: #f8d7da;
  color: #721c24;
}

.product-info .product-description {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-color);
  margin-bottom: 20px;
  padding: 15px;
  background: var(--light-gray);
  border-radius: 5px;
}

/* 产品操作按钮 */
.product-actions {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 25px;
  font-size: 14px;
  font-weight: 600;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.3s;
}

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

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

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

.btn-whatsapp:hover {
  background-color: #1da851;
  color: var(--white);
}

/* 产品规格 */
.product-specifications {
  margin-top: 40px;
}

.product-specifications h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 20px;
}

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

.specs-table th,
.specs-table td {
  padding: 12px 15px;
  text-align: left;
  border: 1px solid var(--border-color);
}

.specs-table th {
  background-color: var(--light-gray);
  font-weight: 600;
  width: 30%;
}

.specs-table td {
  font-size: 14px;
}

/* 原始链接 */
.original-link {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

.original-link a {
  color: var(--secondary-color);
  word-break: break-all;
}

/* 响应式 - 产品页面 */
@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .product-detail {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .product-actions {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
}

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

/* 品牌网格样式 */
.brands-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
  margin-top: 30px;
}

.brand-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  overflow: hidden;
  transition: all 0.3s ease;
  text-decoration: none;
  cursor: pointer;
}

.brand-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  border-color: #005bbf;
}

.brand-image {
  width: 100%;
  height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f9f9f9;
  padding: 20px;
}

.brand-image img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.brand-info {
  padding: 15px;
  text-align: center;
  background: #fff;
}

.brand-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 5px;
}

.brand-count {
  font-size: 13px;
  color: #666;
}

/* 响应式品牌网格 */
@media (max-width: 1024px) {
  .brands-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

/* 产品详情页面包屑 */
.breadcrumb {
  font-size: 13px;
  color: #666;
  margin-bottom: 25px;
  padding: 10px 0;
}

.breadcrumb a {
  color: var(--secondary-color);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

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

/* 产品联系信息 */
.product-contact {
  background: var(--light-gray);
  padding: 20px;
  border-radius: 5px;
  margin-top: 20px;
}

.product-contact h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.product-contact p {
  font-size: 14px;
  margin-bottom: 8px;
}

.product-contact i {
  color: var(--secondary-color);
  margin-right: 8px;
}

/* 询价按钮 */
.inquiry-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  background-color: var(--whatsapp-green);
  color: var(--white) !important;
  font-size: 16px;
  font-weight: 600;
  border-radius: 5px;
  text-decoration: none;
  margin-top: 20px;
  transition: all 0.3s;
}

.inquiry-btn:hover {
  background-color: #1da851;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

/* WhatsApp浮动按钮优化 */
.whatsapp-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
}

.whatsapp-float i {
  font-size: 50px;
  color: var(--whatsapp-green);
  background: var(--white);
  border-radius: 50%;
  padding: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: all 0.3s;
}

.whatsapp-float:hover i {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* 产品图片容器 */
.product-gallery .main-image {
  border: 1px solid var(--border-color);
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  min-height: 300px;
}

.product-gallery .main-image img {
  max-width: 100%;
  max-height: 400px;
  object-fit: contain;
}

/* 产品信息区域 */
.product-info {
  padding: 0;
}

.product-info .product-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 15px;
  line-height: 1.3;
}

.product-info .product-brand {
  display: inline-block;
  font-size: 14px;
  color: var(--secondary-color);
  background: rgba(0, 91, 191, 0.1);
  padding: 5px 15px;
  border-radius: 3px;
  margin-bottom: 15px;
}

/* 导航高亮 */
.nav-menu .submenu li.active a {
  color: var(--secondary-color);
  font-weight: 600;
}

/* Footer样式修正 */
.footer-widget {
  margin-bottom: 20px;
}

.footer-widget p {
  font-size: 14px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-widget i {
  color: var(--secondary-color);
}

/* 联系我们页面样式 */
.page-banner {
  background: linear-gradient(135deg, var(--primary-color) 0%, #003d80 100%);
  padding: 60px 0;
  text-align: center;
}

.page-banner-content h1 {
  font-size: 36px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}

.page-banner-content p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
}

.contact-main {
  padding: 60px 0;
  background-color: var(--light-gray);
}

.contact-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 联系信息卡片 */
.contact-info-section {
  margin-bottom: 40px;
}

.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.contact-info-card {
  background: var(--white);
  padding: 30px 20px;
  text-align: center;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  transition: all 0.3s;
}

.contact-info-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.info-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 15px;
  background: var(--secondary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.info-icon i {
  font-size: 24px;
  color: var(--white);
}

.info-icon.whatsapp {
  background: #25d366;
}

.info-icon.wechat {
  background: #07c160;
}

.contact-info-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 8px;
}

.contact-info-card p {
  font-size: 14px;
  color: #666;
}

.contact-info-card a {
  color: var(--text-color);
}

.contact-info-card a:hover {
  color: var(--secondary-color);
}

/* 表单和二维码区域 */
.contact-form-section {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.contact-form-wrapper,
.qrcode-section {
  background: var(--white);
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.contact-form-wrapper h2,
.qrcode-section h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.form-subtitle,
.qrcode-subtitle {
  font-size: 14px;
  color: #666;
  margin-bottom: 25px;
}

/* 表单样式 */
.contact-form-page .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.contact-form-page .form-group {
  display: flex;
  flex-direction: column;
}

.contact-form-page .form-group.full-width {
  grid-column: 1 / -1;
  margin-bottom: 20px;
}

.contact-form-page label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 8px;
}

.contact-form-page input,
.contact-form-page select,
.contact-form-page textarea {
  padding: 12px 15px;
  border: 1px solid var(--border-color);
  border-radius: 5px;
  font-size: 14px;
  transition: border-color 0.3s;
}

.contact-form-page input:focus,
.contact-form-page select:focus,
.contact-form-page textarea:focus {
  outline: none;
  border-color: var(--secondary-color);
}

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

.submit-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 40px;
  background: var(--secondary-color);
  color: var(--white);
  border: none;
  border-radius: 5px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s;
}

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

/* 二维码区域 */
.qrcode-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 30px;
}

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

.qrcode-item img {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 10px;
}

.qrcode-item p {
  font-size: 14px;
  color: #666;
}

.qrcode-item i {
  margin-right: 5px;
  color: var(--secondary-color);
}

.company-address {
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

.company-address h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.company-address h3 i {
  color: var(--secondary-color);
  margin-right: 8px;
}

.company-address p {
  font-size: 14px;
  color: #666;
  margin-bottom: 5px;
}

/* 工作时间 */
.business-hours {
  background: var(--white);
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  text-align: center;
}

.business-hours h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 25px;
}

.business-hours h2 i {
  color: var(--secondary-color);
  margin-right: 10px;
}

.hours-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 20px;
}

.hours-item {
  padding: 20px;
  background: var(--light-gray);
  border-radius: 8px;
}

.hours-item .day {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 8px;
}

.hours-item .time {
  font-size: 14px;
  color: #666;
}

.hours-note {
  font-size: 13px;
  color: #888;
  font-style: italic;
}

/* 响应式 */
@media (max-width: 1024px) {
  .contact-info-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact-form-section {
    grid-template-columns: 1fr;
  }
  
  .hours-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .contact-info-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-form-page .form-row {
    grid-template-columns: 1fr;
  }
  
  .qrcode-grid {
    grid-template-columns: 1fr;
  }
}

/* 关于我们页面样式 */
.about-main {
  padding: 60px 0;
  background-color: var(--light-gray);
}

.about-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.about-section {
  background: var(--white);
  padding: 40px;
  margin-bottom: 30px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.about-section h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 3px solid var(--secondary-color);
  display: inline-block;
}

.about-section p {
  font-size: 15px;
  line-height: 1.8;
  color: #555;
  margin-bottom: 15px;
}

/* 优势网格 */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 30px;
}

.advantage-item {
  text-align: center;
  padding: 30px 20px;
  background: var(--light-gray);
  border-radius: 8px;
  transition: all 0.3s;
}

.advantage-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.advantage-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 15px;
  background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.advantage-icon i {
  font-size: 28px;
  color: var(--white);
}

.advantage-item h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.advantage-item p {
  font-size: 13px;
  color: #666;
  margin-bottom: 0;
}

/* 品牌列表 */
.brand-list {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 20px;
}

.brand-item {
  background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
  padding: 12px 25px;
  border-radius: 25px;
}

.brand-item a {
  color: var(--white);
  font-weight: 600;
  font-size: 14px;
}

.brand-item:hover {
  transform: scale(1.05);
  transition: transform 0.3s;
}

/* 产品范围网格 */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 30px;
}

.product-category {
  text-align: center;
  padding: 30px;
  background: var(--light-gray);
  border-radius: 8px;
  border: 2px solid transparent;
  transition: all 0.3s;
}

.product-category:hover {
  border-color: var(--secondary-color);
  background: var(--white);
}

.product-category i {
  font-size: 36px;
  color: var(--secondary-color);
  margin-bottom: 15px;
}

.product-category h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.product-category p {
  font-size: 13px;
  color: #666;
  margin-bottom: 0;
}

/* 联系CTA */
.contact-cta {
  text-align: center;
  background: linear-gradient(135deg, var(--primary-color), #003d80);
  color: var(--white);
}

.contact-cta h2 {
  color: var(--white);
  border-bottom-color: var(--secondary-color);
}

.contact-cta p {
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin: 0 auto 25px;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 35px;
  border-radius: 30px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s;
}

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

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

.cta-btn.whatsapp {
  background: #25d366;
  color: var(--white);
}

.cta-btn.whatsapp:hover {
  background: var(--white);
  color: #25d366;
}

/* 响应式 */
@media (max-width: 1024px) {
  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .advantages-grid {
    grid-template-columns: 1fr;
  }
  
  .products-grid {
    grid-template-columns: 1fr;
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
}

/* Send Inquiry Floating Button */
.inquiry-button-section {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 15px 20px;
  background: linear-gradient(to top, rgba(255,255,255,0.98) 0%, rgba(255,255,255,0.9) 70%, transparent 100%);
  z-index: 9999;
}

.inquiry-trigger-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--primary-color);
  color: var(--white);
  border: none;
  padding: 16px 45px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(0, 86, 179, 0.4);
}

.inquiry-trigger-btn:hover {
  background: #003d80;
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 86, 179, 0.5);
}

.inquiry-trigger-btn i {
  font-size: 18px;
}

/* 询价弹窗 */
.inquiry-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

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

.inquiry-modal {
  background: var(--white);
  border-radius: 12px;
  width: 90%;
  max-width: 900px;
  max-height: 90vh;
  overflow: hidden;
  position: relative;
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.inquiry-modal-overlay.active .inquiry-modal {
  transform: scale(1);
}

.inquiry-modal-close {
  position: absolute;
  top: 15px;
  right: 20px;
  background: none;
  border: none;
  font-size: 28px;
  color: #666;
  cursor: pointer;
  z-index: 10;
  transition: color 0.3s;
}

.inquiry-modal-close:hover {
  color: #333;
}

.inquiry-modal-content {
  display: flex;
  width: 100%;
}

/* 左侧联系信息 */
.inquiry-contact-info {
  flex: 1;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  padding: 40px 30px;
}

.inquiry-contact-info h2 {
  color: var(--text-color);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 30px;
}

.contact-info-list {
  margin-bottom: 30px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 18px;
  font-size: 14px;
  color: #555;
}

.contact-info-item i {
  color: var(--primary-color);
  font-size: 18px;
  margin-top: 2px;
  min-width: 20px;
}

.contact-info-item.address {
  align-items: flex-start;
}

.contact-info-item.address span {
  line-height: 1.5;
}

.inquiry-qrcode-section {
  margin-top: 30px;
}

.qrcode-title {
  font-size: 14px;
  color: #666;
  margin-bottom: 15px;
}

.inquiry-qrcode-images {
  display: flex;
  gap: 20px;
}

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

.qrcode-item img {
  width: 100px;
  height: 100px;
  border: 2px solid #ddd;
  border-radius: 8px;
  background: var(--white);
  padding: 5px;
}

.qrcode-item span {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  color: #666;
}

.qrcode-item span i {
  margin-right: 5px;
  color: var(--primary-color);
}

/* 右侧表单 */
.inquiry-form-section {
  flex: 1;
  padding: 40px 30px;
}

.inquiry-form-section h2 {
  color: var(--text-color);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 30px;
}

.inquiry-form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.inquiry-submit-btn {
  background: var(--primary-color);
  color: var(--white);
  border: none;
  padding: 16px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.3s;
  margin-top: 10px;
}

.inquiry-submit-btn:hover {
  background: #003d80;
}

/* 弹窗响应式 */
@media (max-width: 768px) {
  .inquiry-modal-content {
    flex-direction: column;
    max-height: 85vh;
    overflow-y: auto;
  }
  
  .inquiry-contact-info,
  .inquiry-form-section {
    padding: 30px 20px;
  }
  
  .inquiry-contact-info h2,
  .inquiry-form-section h2 {
    font-size: 20px;
    margin-bottom: 20px;
  }
  
  .inquiry-qrcode-images {
    justify-content: center;
  }
  
  .inquiry-trigger-btn {
    padding: 15px 35px;
    font-size: 16px;
  }
}

/* ============================================
   响应式布局优化 - PC端 + 移动端双端适配
   ============================================ */

/* ========== 平板端适配 (max-width: 1024px) ========== */
@media (max-width: 1024px) {
  /* 制造商卡片 - 2列 */
  .manufacturers-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* 计数器 - 2列 */
  .counter-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  
  /* Footer - 2列 */
  .footer-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }
  
  /* 产品网格 - 2列 */
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* 优势网格 - 2列 */
  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ========== 移动端适配 (max-width: 768px) ========== */
@media (max-width: 768px) {
  /* ----- 头部区域 ----- */
  .header-top {
    padding: 15px 0;
  }
  
  .header-container {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
  }
  
  .header-logo {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }
  
  .header-logo img {
    width: 80px;
  }
  
  .header-logo-text h3 {
    font-size: 14px;
    white-space: normal;
    text-align: center;
  }
  
  .header-contact {
    align-items: center;
    gap: 6px;
  }
  
  .contact-item {
    font-size: 12px;
    gap: 6px;
  }
  
  .contact-item i {
    font-size: 14px;
  }
  
  .header-qrcode {
    gap: 10px;
  }
  
  .header-qrcode img {
    width: 60px;
    height: 60px;
  }
  
  /* ----- 导航栏 ----- */
  .nav-bar {
    position: relative;
  }
  
  .nav-container {
    flex-wrap: wrap;
    padding: 10px 15px;
  }
  
  /* 移动端汉堡菜单按钮 */
  .mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 28px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
  }
  
  .mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--white);
    border-radius: 2px;
    transition: all 0.3s ease;
  }
  
  .mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
  }
  
  .mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -7px);
  }
  
  /* 移动端菜单样式 */
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--primary-color);
    flex-direction: column;
    padding: 15px 0;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    z-index: 1000;
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .nav-menu li {
    width: 100%;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }
  
  .nav-menu li:last-child {
    border-bottom: none;
  }
  
  .nav-menu li a {
    display: block;
    padding: 12px 20px;
    color: var(--white);
    font-size: 15px;
  }
  
  .nav-menu li a:hover {
    background: rgba(255,255,255,0.1);
  }
  
  .nav-menu .has-submenu .submenu {
    position: static;
    box-shadow: none;
    background: rgba(0,0,0,0.1);
    display: none;
  }
  
  .nav-menu .has-submenu.active .submenu {
    display: block;
  }
  
  .nav-menu .has-submenu > a::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    margin-left: 10px;
    font-size: 12px;
  }
  
  /* 导航右侧 */
  .nav-right {
    flex: 1;
    justify-content: flex-end;
    gap: 10px;
  }
  
  .nav-search {
    flex: 1;
    max-width: 200px;
  }
  
  .nav-search input {
    padding: 8px 35px 8px 10px;
    font-size: 12px;
  }
  
  .dev-admin-btn {
    display: none;
  }
  
  /* ----- 轮播图区域 ----- */
  .carousel-section {
    height: 200px;
  }
  
  .carousel-btn {
    padding: 12px 10px;
    font-size: 16px;
  }
  
  .carousel-btn.prev {
    left: 5px;
  }
  
  .carousel-btn.next {
    right: 5px;
  }
  
  /* ----- 计数器区域 ----- */
  .counter-section {
    padding: 30px 0;
  }
  
  .counter-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  
  .counter-title {
    font-size: 12px;
  }
  
  .counter-number {
    font-size: 28px;
  }
  
  .counter-suffix {
    font-size: 28px;
  }
  
  /* ----- 制造商卡片 ----- */
  .manufacturers-section {
    padding: 40px 0;
  }
  
  .section-title {
    font-size: 22px;
    margin-bottom: 25px;
  }
  
  .manufacturers-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  
  .manufacturer-card {
    padding: 20px;
  }
  
  .manufacturer-card img {
    max-width: 120px;
  }
  
  .manufacturer-card h3 {
    font-size: 18px;
  }
  
  .manufacturer-card p {
    font-size: 13px;
  }
  
  /* ----- 搜索横幅 ----- */
  .search-banner-section {
    padding: 50px 15px;
    min-height: 200px;
  }
  
  .search-banner-title {
    font-size: 20px;
    margin-bottom: 20px;
    padding: 0 10px;
  }
  
  .search-banner-form {
    padding: 0 10px;
  }
  
  .search-banner-form input {
    padding: 12px 45px 12px 15px;
    font-size: 13px;
  }
  
  /* ----- 公司介绍 ----- */
  .about-section {
    padding: 40px 0;
  }
  
  .about-container {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .about-content h2 {
    font-size: 22px;
    text-align: center;
  }
  
  .about-content p {
    font-size: 14px;
  }
  
  .about-btn {
    display: block;
    text-align: center;
  }
  
  .about-image {
    order: -1;
  }
  
  /* ----- 表单区域 ----- */
  .form-section {
    padding: 40px 0;
  }
  
  .form-container {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 0 15px;
  }
  
  .form-content h3 {
    font-size: 20px;
    text-align: center;
  }
  
  .form-content p {
    font-size: 14px;
    text-align: center;
  }
  
  .contact-form input,
  .contact-form textarea {
    padding: 12px 15px;
    font-size: 14px;
  }
  
  .contact-form button {
    padding: 12px;
    font-size: 15px;
  }
  
  /* ----- Footer ----- */
  .footer {
    padding-top: 30px;
    padding-bottom: 100px;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: 25px;
    padding: 0 15px;
  }
  
  .footer-widget {
    text-align: center;
  }
  
  .footer-widget h2 {
    font-size: 16px;
    margin-bottom: 15px;
  }
  
  .footer-menu li a {
    font-size: 14px;
    padding: 8px 0;
  }
  
  .footer-qrcode {
    justify-content: center;
  }
  
  .footer-qrcode img {
    width: 80px;
    height: 80px;
  }
  
  .footer-contact {
    align-items: center;
  }
  
  .footer-contact li {
    justify-content: center;
    font-size: 13px;
  }
  
  .footer-bottom {
    padding: 12px 15px;
    margin-top: 20px;
  }
  
  .footer-bottom p {
    font-size: 12px;
  }
  
  /* ----- 浮动菜单 ----- */
  .floating-menu {
    right: 10px;
    top: auto;
    bottom: 80px;
    transform: none;
  }
  
  .floating-menu li {
    width: 44px;
    height: 44px;
  }
  
  .floating-menu a {
    padding: 10px 12px;
    height: 44px;
    font-size: 12px;
  }
  
  .floating-menu i {
    font-size: 18px;
    min-width: 20px;
  }
  
  /* ----- 底部发送查询按钮 ----- */
  .inquiry-button-section {
    padding: 12px 15px;
  }
  
  .inquiry-trigger-btn {
    padding: 14px 30px;
    font-size: 15px;
  }
}

/* ========== 小屏手机适配 (max-width: 480px) ========== */
@media (max-width: 480px) {
  /* 头部 */
  .header-logo img {
    width: 60px;
  }
  
  .header-logo-text h3 {
    font-size: 12px;
  }
  
  .contact-item {
    font-size: 11px;
  }
  
  .header-qrcode img {
    width: 50px;
    height: 50px;
  }
  
  /* 轮播图 */
  .carousel-section {
    height: 160px;
  }
  
  .carousel-btn {
    padding: 8px 6px;
    font-size: 14px;
  }
  
  /* 计数器 */
  .counter-container {
    gap: 15px;
  }
  
  .counter-title {
    font-size: 11px;
  }
  
  .counter-number {
    font-size: 24px;
  }
  
  .counter-suffix {
    font-size: 24px;
  }
  
  /* 搜索横幅 */
  .search-banner-title {
    font-size: 16px;
  }
  
  /* 产品网格 */
  .products-grid {
    grid-template-columns: 1fr;
  }
  
  /* 浮动菜单 */
  .floating-menu {
    bottom: 70px;
    right: 8px;
  }
  
  .floating-menu li {
    width: 40px;
    height: 40px;
  }
  
  .floating-menu a {
    padding: 8px 10px;
    height: 40px;
    font-size: 11px;
  }
  
  .floating-menu i {
    font-size: 16px;
  }
}

/* ========== PC端优化 (min-width: 1025px) ========== */
@media (min-width: 1025px) {
  /* 隐藏移动端汉堡菜单按钮 */
  .mobile-menu-toggle {
    display: none;
  }
  
  /* 确保PC端菜单正常显示 */
  .nav-menu {
    display: flex !important;
  }
}