/* 
 * ZORO 运动相机独立站 - 统一样式表
 * 主色：#FF6B00 活力橙
 * 辅色：#0F172A 深蓝
 * 强调色：#2563EB 亮蓝
 */

/* ==================== 全局样式 ==================== */
:root {
  --primary-color: #FF6B00;
  --secondary-color: #0F172A;
  --accent-color: #2563EB;
  --success-color: #10B981;
  --warning-color: #F59E0B;
  --error-color: #EF4444;
  --text-color: #1F2937;
  --light-text: #6B7280;
  --white: #FFFFFF;
  --light-gray: #F9FAFB;
  --gray: #E5E7EB;
  --dark-gray: #4B5563;
  --border-color: #D1D5DB;
  --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);
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text-color);
  line-height: 1.6;
  background-color: var(--light-gray);
}

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

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ==================== 布局容器 ==================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.main-content {
  padding-top: 2rem;
  padding-bottom: 2rem;
}

/* ==================== 顶部公告栏 ==================== */
.top-announcement {
  background-color: var(--secondary-color);
  color: var(--white);
  padding: 0.5rem 1rem;
  text-align: center;
  font-size: 0.875rem;
}

/* ==================== 导航栏 ==================== */
.navbar {
  background-color: var(--white);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--secondary-color);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.navbar-nav {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  color: var(--text-color);
  font-weight: 500;
  transition: var(--transition);
}

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

.navbar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.navbar-icon {
  color: var(--text-color);
  font-size: 1.25rem;
  transition: var(--transition);
  position: relative;
}

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

.cart-count {
  position: absolute;
  top: -0.5rem;
  right: -0.5rem;
  background-color: var(--primary-color);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.125rem 0.375rem;
  border-radius: 50%;
}

/* ==================== 下拉菜单 ==================== */
.dropdown {
  position: relative;
}

.dropdown-trigger::after {
  content: "\f107";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  margin-left: 0.5rem;
  font-size: 0.875rem;
  transition: var(--transition);
}

.dropdown:hover .dropdown-menu {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--white);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-md);
  min-width: 200px;
  padding: 0.5rem 0;
  display: none;
  opacity: 0;
  transform: translateY(-10px);
  transition: var(--transition);
  z-index: 1001;
}

.dropdown-item {
  display: block;
  padding: 0.5rem 1rem;
  color: var(--text-color);
  transition: var(--transition);
}

.dropdown-item:hover {
  background-color: var(--light-gray);
  color: var(--primary-color);
}

/* ==================== 语言和货币选择器 ==================== */
.lang-currency-selector {
  display: flex;
  gap: 0.5rem;
}

.lang-selector,
.currency-selector {
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  background-color: var(--white);
  color: var(--text-color);
  cursor: pointer;
  transition: var(--transition);
}

.lang-selector:hover,
.currency-selector:hover {
  border-color: var(--primary-color);
}

/* ==================== 移动端菜单 ==================== */
.mobile-menu {
  position: fixed;
  top: 0;
  left: -100%;
  width: 80%;
  max-width: 300px;
  height: 100vh;
  background-color: var(--white);
  box-shadow: var(--shadow-xl);
  transition: var(--transition);
  z-index: 1002;
  padding: 2rem 1rem;
}

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

.mobile-menu-nav {
  list-style: none;
}

.mobile-nav-link {
  display: block;
  padding: 0.75rem 0;
  color: var(--text-color);
  font-weight: 500;
  transition: var(--transition);
}

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

.hamburger-menu {
  display: none;
}

/* ==================== 首屏Banner ==================== */
.hero {
  position: relative;
  background-color: var(--secondary-color);
  color: var(--white);
  padding: 5rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-content {
  text-align: center;
  z-index: 2;
  max-width: 600px;
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.hero-cta {
  display: inline-block;
  background-color: var(--primary-color);
  color: var(--white);
  padding: 0.75rem 2rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: var(--transition);
}

.hero-cta:hover {
  background-color: var(--accent-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  opacity: 0.3;
}

/* ==================== 产品卡片 ==================== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 2rem;
}

.product-card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: var(--transition);
}

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

.product-image-container {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
}

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

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

.product-badge {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background-color: var(--primary-color);
  color: var(--white);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
}

.product-info {
  padding: 1.5rem;
}

.product-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-color);
}

.product-price {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.product-actions {
  display: flex;
  gap: 0.5rem;
}

.btn-add-to-cart {
  flex: 1;
  background-color: var(--primary-color);
  color: var(--white);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  transition: var(--transition);
}

.btn-add-to-cart:hover {
  background-color: var(--accent-color);
}

.btn-view-details {
  flex: 1;
  background-color: transparent;
  color: var(--text-color);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.btn-view-details:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

/* ==================== 按钮样式 ==================== */
.btn-primary {
  background-color: var(--primary-color);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: var(--transition);
  display: inline-block;
}

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

.btn-secondary {
  background-color: transparent;
  color: var(--text-color);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  display: inline-block;
}

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

/* ==================== 章节标题 ==================== */
.section-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 2rem;
  color: var(--secondary-color);
}

/* ==================== 特性展示 ==================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.feature-item {
  text-align: center;
  padding: 2rem;
  background-color: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

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

.feature-icon {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-color);
}

.feature-description {
  color: var(--light-text);
  font-size: 0.95rem;
}

/* ==================== 场景卡片 ==================== */
.scenarios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.scenario-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16/9;
}

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

.scenario-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  padding: 1.5rem;
  color: var(--white);
  transition: var(--transition);
}

.scenario-card:hover .scenario-overlay {
  padding: 2rem;
}

.scenario-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.scenario-description {
  font-size: 0.95rem;
  opacity: 0.9;
}

/* ==================== 用户评价 ==================== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.review-card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
}

.review-rating {
  color: var(--warning-color);
  margin-bottom: 1rem;
}

.review-text {
  color: var(--text-color);
  font-style: italic;
  margin-bottom: 1rem;
  line-height: 1.6;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.review-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
}

.review-name {
  font-weight: 600;
  color: var(--text-color);
}

.review-date {
  font-size: 0.875rem;
  color: var(--light-text);
}

/* ==================== 售后保障 ==================== */
.warranty-section {
  background-color: var(--white);
  padding: 3rem 0;
}

.warranty-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.warranty-item {
  text-align: center;
  padding: 1.5rem;
}

.warranty-icon {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.warranty-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-color);
}

.warranty-description {
  color: var(--light-text);
  font-size: 0.95rem;
}

/* ==================== 博客卡片 ==================== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.blog-card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

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

.blog-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.blog-info {
  padding: 1.5rem;
}

.blog-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-color);
}

.blog-excerpt {
  color: var(--light-text);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  line-height: 1.6;
}

.blog-link {
  color: var(--primary-color);
  font-weight: 600;
  transition: var(--transition);
}

.blog-link:hover {
  color: var(--accent-color);
}

/* ==================== 页脚 ==================== */
.footer {
  background-color: var(--secondary-color);
  color: var(--white);
  padding: 3rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-column {
  padding: 0 1rem;
}

.footer-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--white);
}

.footer-description {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  line-height: 1.6;
}

.footer-links {
  list-style: none;
}

.footer-link {
  display: block;
  padding: 0.5rem 0;
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition);
}

.footer-link:hover {
  color: var(--white);
  padding-left: 0.5rem;
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--white);
  transition: var(--transition);
}

.social-link:hover {
  background-color: var(--primary-color);
  transform: translateY(-3px);
}

.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.newsletter-input {
  padding: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--white);
}

.newsletter-input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.newsletter-button {
  background-color: var(--primary-color);
  color: var(--white);
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: var(--transition);
}

.newsletter-button:hover {
  background-color: var(--accent-color);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  text-align: center;
}

.footer-policies {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.footer-copyright {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

/* ==================== AI客服 ==================== */
.ai-support-widget {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1000;
}

.ai-support-button {
  width: 60px;
  height: 60px;
  background-color: var(--primary-color);
  color: var(--white);
  border-radius: 50%;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: var(--transition);
}

.ai-support-button:hover {
  background-color: var(--accent-color);
  transform: scale(1.1);
}

.ai-support-chat {
  position: absolute;
  bottom: 80px;
  right: 0;
  width: 350px;
  max-height: 500px;
  background-color: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  display: none;
  flex-direction: column;
  overflow: hidden;
}

.ai-support-chat.active {
  display: flex;
}

.ai-support-header {
  background-color: var(--secondary-color);
  color: var(--white);
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ai-support-close {
  background: none;
  color: var(--white);
  font-size: 1.25rem;
  cursor: pointer;
  transition: var(--transition);
}

.ai-support-close:hover {
  color: var(--primary-color);
}

.ai-support-messages {
  flex: 1;
  padding: 1rem;
  overflow-y: auto;
  background-color: var(--light-gray);
}

.ai-support-input {
  padding: 1rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: 0.5rem;
}

.ai-support-message-input {
  flex: 1;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
}

.ai-support-send-button {
  background-color: var(--primary-color);
  color: var(--white);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.ai-support-send-button:hover {
  background-color: var(--accent-color);
}

/* ==================== 通知提示 ==================== */
.notification-container {
  position: fixed;
  top: 2rem;
  right: 2rem;
  z-index: 1001;
}

.notification {
  background-color: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 1rem;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  min-width: 300px;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.notification-content {
  flex: 1;
  color: var(--text-color);
  font-size: 0.95rem;
}

.notification-close {
  background: none;
  color: var(--light-text);
  font-size: 1.125rem;
  cursor: pointer;
  transition: var(--transition);
}

.notification-close:hover {
  color: var(--text-color);
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 992px) {
  .navbar-nav {
    display: none;
  }
  
  .hamburger-menu {
    display: block;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
}

@media (max-width: 768px) {
  .product-grid,
  .features-grid,
  .scenarios-grid,
  .reviews-grid,
  .blog-grid,
  .warranty-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .ai-support-chat {
    width: 300px;
    right: -1rem;
  }
  
  .notification {
    min-width: 250px;
  }
}

@media (max-width: 576px) {
  .hero {
    padding: 3rem 1rem;
  }
  
  .hero-title {
    font-size: 1.75rem;
  }
  
  .hero-cta {
    width: 100%;
  }
  
  .navbar {
    padding: 0.75rem 1rem;
  }
  
  .navbar-brand {
    font-size: 1.25rem;
  }
  
  .ai-support-button {
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
  }
  
  .ai-support-chat {
    width: calc(100% - 2rem);
    right: 1rem;
  }
  
  .notification-container {
    left: 1rem;
    right: 1rem;
    top: 1rem;
  }
  
  .notification {
    min-width: auto;
  }
}nmax(300px, 1fr));
  gap: 2rem;
}

.blog-card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

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

.blog-image {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.blog-info {
  padding: 1.5rem;
}

.blog-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-color);
}

.blog-excerpt {
  color: var(--light-text);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.blog-link {
  color: var(--primary-color);
  font-weight: 500;
  transition: var(--transition);
}

.blog-link:hover {
  color: var(--accent-color);
}

/* ==================== Footer ==================== */
.footer {
  background-color: var(--secondary-color);
  color: var(--white);
  padding: 3rem 0 1rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-column {
  padding: 0 1rem;
}

.footer-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-description {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.footer-links {
  list-style: none;
}

.footer-link {
  display: block;
  padding: 0.5rem 0;
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition);
}

.footer-link:hover {
  color: var(--white);
  padding-left: 0.5rem;
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-link {
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.social-link:hover {
  background-color: var(--primary-color);
  transform: translateY(-3px);
}

.newsletter-form {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.newsletter-input {
  flex: 1;
  padding: 0.5rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--white);
}

.newsletter-input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.newsletter-button {
  background-color: var(--primary-color);
  color: var(--white);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  transition: var(--transition);
}

.newsletter-button:hover {
  background-color: var(--accent-color);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-policies {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.footer-copyright {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

/* ==================== AI客服 ==================== */
.ai-support-widget {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1000;
}

.ai-support-button {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--primary-color);
  color: var(--white);
  font-size: 1.5rem;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}

.ai-support-button:hover {
  background-color: var(--accent-color);
  transform: scale(1.1);
}

.ai-support-chat {
  position: absolute;
  bottom: 80px;
  right: 0;
  width: 350px;
  max-height: 500px;
  background-color: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  display: none;
  flex-direction: column;
  overflow: hidden;
}

.ai-support-chat.active {
  display: flex;
}

.ai-support-header {
  background-color: var(--primary-color);
  color: var(--white);
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ai-support-messages {
  flex: 1;
  padding: 1rem;
  overflow-y: auto;
  background-color: var(--light-gray);
}

.ai-support-input {
  padding: 1rem;
  display: flex;
  gap: 0.5rem;
  border-top: 1px solid var(--border-color);
}

.ai-support-message-input {
  flex: 1;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.ai-support-send-button {
  background-color: var(--primary-color);
  color: var(--white);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.ai-support-send-button:hover {
  background-color: var(--accent-color);
}

/* ==================== 通知提示 ==================== */
.notification-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 1003;
}

.notification {
  background-color: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 1rem;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-width: 300px;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.notification-content {
  flex: 1;
}

.notification-close {
  background: none;
  color: var(--light-text);
  font-size: 1.25rem;
  transition: var(--transition);
}

.notification-close:hover {
  color: var(--error-color);
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1024px) {
  .navbar-nav {
    display: none;
  }

  .hamburger-menu {
    display: block;
  }

  .hero-title {
    font-size: 2.5rem;
  }
}

@media (max-width: 768px) {
  .product-grid,
  .features-grid,
  .scenarios-grid,
  .reviews-grid,
  .blog-grid,
  .warranty-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .ai-support-chat {
    width: calc(100vw - 4rem);
    right: -2rem;
  }

  .section-title {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .navbar {
    padding: 0.75rem 1rem;
  }

  .navbar-brand {
    font-size: 1.25rem;
  }

  .hero {
    padding: 3rem 1rem;
  }

  .hero-title {
    font-size: 1.75rem;
  }

  .hero-cta {
    padding: 0.5rem 1.5rem;
    font-size: 0.875rem;
  }

  .footer-policies {
    flex-direction: column;
    gap: 0.5rem;
  }
}