/* 
 * 统一样式文件 - 外贸商城网站UI美化
 * 合并了dark-theme.css的样式，提供完整的暗色主题支持
 */

/* 全局CSS变量定义 */
:root {
  /* 主要颜色 - 暗色主题 */
  --bg-primary: #121212;
  --bg-secondary: #1e1e1e;
  --bg-tertiary: #2d2d2d;
  --text-primary: #e0e0e0;
  --text-secondary: #b0b0b0;
  --text-tertiary: #808080;
  --accent-color: #4a6fff;
  --accent-hover: #3a5ffe;
  --accent-primary: #4a6fff; /* 兼容dark-theme中的变量名 */
  
  /* 卡片样式 */
  --card-bg: #1e1e1e;
  --card-hover: #252525;
  
  /* 按钮样式 */
  --button-bg: #4a6fff;
  --button-text: #ffffff;
  --button-hover: #3a5ffe;
  
  /* 辅助颜色 */
  --success-color: #4caf50;
  --warning-color: #ff9800;
  --error-color: #f44336;
  --info-color: #2196f3;
  
  /* 边框和阴影 */
  --border-color: #333;
  --shadow-color: rgba(0, 0, 0, 0.5);
  --header-bg: rgba(18, 18, 18, 0.95);
  --footer-bg: #121212;
  
  /* 字体 */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-size-base: 16px;
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-md: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 24px;
  --font-size-2xl: 32px;
  --font-size-3xl: 48px;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;
  
  /* 间距 */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;
  
  /* 圆角 */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-full: 50%;
  
  /* 阴影 */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
  
  /* 过渡动画 */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  --spacing-3xl: 64px;
  --spacing-2xl: 48px;
}

/* 全局重置和基础样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

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

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

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

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

/* 头部菜单样式 */
.header-beautified {
  position: relative;
  z-index: 1000;
}

/* 右上角悬浮图标组 */
.icon-group {
  position: absolute;
  
  right: var(--spacing-lg);
  transform: translateY(-50%);
  display: flex;
  gap: var(--spacing-md);
  z-index: 9998;
}

/* 悬浮图标样式 */
.floating-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-secondary);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.floating-icon::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: var(--accent-color);
  opacity: 0;
  transition: all var(--transition-normal);
  transform: translate(-50%, -50%);
}

.floating-icon:hover::before {
  width: 120%;
  height: 120%;
  opacity: 0.15;
}

.floating-icon:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: var(--shadow-lg);
  color: var(--accent-color);
}

/* 图标计数标记 */
.icon-badge {
  position: absolute;
  top: -5px;
  right: -5px;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  background: var(--accent-color);
  color: white;
  border-radius: 10px;
  font-size: 12px;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  animation: pulse 2s infinite;
}

/* 脉冲动画 */
@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(74, 111, 255, 0.7);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(74, 111, 255, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(74, 111, 255, 0);
  }
}

.recommended-products-section {
  padding: var(--spacing-3xl) 0;
}
.recommended-products-section .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.footer__corner .container{
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.video-section .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* 产品展示区域样式 */
.products-highlight-section {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.products-highlight-section .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section-footer {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: var(--spacing-xl) 0px;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  text-align: center;
}

.section-header {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
  gap: var(--spacing-md);
  text-align: center;
}

.section-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--accent-color);
  border-radius: 3px;
}

.view-all {
  display: inline-flex;
  align-items: center;
  color: var(--accent-color);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-normal);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  background: rgba(74, 111, 255, 0.1);
}

.view-all:hover {
  background: rgba(74, 111, 255, 0.2);
  transform: translateX(3px);
}

.view-all svg {
  margin-left: 5px;
  transition: transform var(--transition-normal);
}

.view-all:hover svg {
  transform: translateX(3px);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  justify-content: center;
}

.product-item {
 
  overflow: hidden;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  position: relative;
}

.product-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.product-image-wrapper {
  position: relative;
  overflow: hidden;
  padding-top: 100%; /* 1:1 宽高比 */
  background: var(--bg-secondary);
}

.product-image-wrapper img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

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

.product-info {
  padding: var(--spacing-md);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-title {
  font-size: var(--font-size-md);
  font-weight: 600;
  margin: 0 0 var(--spacing-sm) 0;
  line-height: 1.4;
}

.product-title a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.product-price {
  font-size: var(--font-size-md);
  font-weight: 700;
  color: var(--accent-color);
  margin-bottom: var(--spacing-sm);
}

.product-action {
  margin-top: auto;
}

.view-details {
  display: inline-block;
  width: 100%;
  text-align: center;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--accent-color);
  color: white;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition-fast);
}

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

/* 移动端适配 */
@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }
  
  .section-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .section-title {
    font-size: var(--font-size-lg);
  }
  
  /* 调整图标组位置和大小 */
  .icon-group {
    right: var(--spacing-sm);
    gap: var(--spacing-xs);
  }
  
  /* 减小图标尺寸 */
  .floating-icon {
    width: 40px;
    height: 40px;
  }
  
  .floating-icon svg {
    width: 18px;
    height: 18px;
  }
  
  /* 调整购物车徽章尺寸 */
  .icon-badge {
    min-width: 18px;
    height: 18px;
    font-size: 11px;
    top: -4px;
    right: -4px;
  }
}

@media (max-width: 480px) {
    .products-grid {
      grid-template-columns: 1fr;
    }
    
    .product-item {
      max-width: 100%;
    }
  }

/* 未来展望区域样式 */
.future-section {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.future-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 20% 30%, rgba(74, 111, 255, 0.1) 0%, transparent 30%),
              radial-gradient(circle at 80% 70%, rgba(74, 111, 255, 0.05) 0%, transparent 40%);
  pointer-events: none;
}

.future-section .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  position: relative;
  z-index: 1;
}

.section-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
  text-align: center;
  align-content: center;
  justify-items: center;
}

.content-left {
  animation: fadeInLeft 1s ease-out;
}

.content-right {
  animation: fadeInRight 1s ease-out;
}

.future-section .section-title {
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-2xl);
}

.section-description {
  font-size: var(--font-size-md);
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
}

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

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--card-bg);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
}

.feature-item:hover {
  transform: translateY(-3px);
  border-left-color: var(--accent-color);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent-color), var(--accent-color-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

.feature-icon::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 2v6m0 12v2M4.93 4.93l2.83 2.83M16.24 16.24l2.83 2.83M2 12h6m12 0h2M6.34 17.66l2.83-2.83M19.07 4.93l-2.83 2.83'%3E%3C/path%3E%3C/svg%3E") center no-repeat;
}

.feature-text {
  font-weight: 600;
  color: var(--text-primary);
}

.section-button {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--accent-color);
  color: white;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.section-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transform: translateX(-100%);
  transition: transform var(--transition-normal);
  z-index: -1;
}

.section-button:hover {
  background: var(--accent-color-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.section-button:hover::before {
  transform: translateX(100%);
}

.feature-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  transition: transform var(--transition-normal);
}

.content-right:hover .feature-image {
  transform: scale(1.02);
}

/* 页脚区域样式 */
.stage-footerWrapper {
  background: var(--bg-primary);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-2xl) var(--spacing-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-column {
  display: flex;
  flex-direction: column;
}

.footer-logo {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  text-decoration: none;
}

.footer-logo span {
  color: var(--accent-color);
}

.footer-description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.footer-social {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-secondary);
  color: var(--text-primary);
  transition: all var(--transition-fast);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-link:hover {
  background: var(--accent-color);
  color: white;
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.footer-heading {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  position: relative;
  padding-bottom: var(--spacing-sm);
}

.footer-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--accent-color);
  border-radius: 2px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.footer-link:hover {
  color: var(--accent-color);
  transform: translateX(3px);
}

.footer-link::before {
  content: '→';
  font-size: 12px;
  transition: transform var(--transition-fast);
}

.footer-link:hover::before {
  transform: translateX(3px);
}

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

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  color: var(--text-secondary);
}

.contact-icon {
  color: var(--accent-color);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-newsletter {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.newsletter-input {
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--font-size-md);
  transition: all var(--transition-fast);
}

.newsletter-input:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(74, 111, 255, 0.1);
}

.newsletter-button {
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--accent-color);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer-copyright {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

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

.payment-method {
  color: var(--text-secondary);
  font-size: 14px;
}

.payment-icons {
  display: flex;
  gap: var(--spacing-sm);
}

.payment-icon {
  width: 40px;
  height: 25px;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
}

/* 页脚响应式设计 */
@media (max-width: 768px) {
  .footer-content {
    padding: var(--spacing-xl) var(--spacing-md);
  }
  
  .footer-grid {
    gap: var(--spacing-lg);
  }
  
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-lg);
  }
  
  /* 全局移动端优化 */
  * {
    touch-action: manipulation;
  }
  
  body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
  
  /* 确保链接和按钮在移动端有足够的点击区域 */
  a,
  button,
  .view-details,
  .section-button,
  .social-link,
  .newsletter-button,
  .view-all {
    min-height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  /* 优化触摸设备上的交互 */
  .product-item,
  .feature-item,
  .social-link,
  .footer-link,
  .view-details,
  .section-button {
    -webkit-tap-highlight-color: transparent;
  }
  
  /* 确保图片在移动端自适应 */
  img {
    max-width: 100%;
    height: auto;
  }
  
  /* 优化表单元素在移动端的显示 */
  input,
  button,
  textarea,
  select {
    font-size: 16px; /* 防止iOS自动缩放 */
  }
  
  /* 滚动优化 */
  html {
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
  }
}

/* 响应式视频播放器样式 */
.video-container {
  width: 100%;
  margin: 0 auto;
  padding: var(--spacing-md) 0;
}

.video-player {
  width: 100%;
  position: relative;
}

.responsive-video {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  background-color: #000;
}

/* 视频回退样式 */
.video-fallback {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.video-fallback .video-thumbnail {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-fallback .play-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  cursor: pointer;
  transition: transform 0.3s ease;
}

.video-fallback .play-button:hover {
  transform: translate(-50%, -50%) scale(1.1);
}

/* 视频控制栏样式增强 */
.responsive-video::-webkit-media-controls {
  border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
}

/* 移动端视频播放器优化 */
@media (max-width: 768px) {
  .video-container {
    padding: var(--spacing-sm) 0;
  }
  
  .responsive-video {
    border-radius: var(--border-radius-md);
  }
  
  .video-fallback {
    border-radius: var(--border-radius-md);
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .footer-social {
    flex-wrap: wrap;
  }
}

/* 动画效果 */
@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}



/* 未来展望区域响应式设计 */
@media (max-width: 1024px) {
  .section-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .content-right {
    order: -1;
  }
}

@media (max-width: 768px) {
  .future-section {
    padding: var(--spacing-2xl) 0;
  }
  
  .future-section .section-title {
    font-size: var(--font-size-xl);
  }
  
  .feature-list {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }
}

@media (max-width: 480px) {
  /* 更小屏幕的适配 */
  .floating-icon {
    width: 36px;
    height: 36px;
  }
  
  .floating-icon svg {
    width: 16px;
    height: 16px;
  }
  
  .icon-badge {
    min-width: 16px;
    height: 16px;
    font-size: 10px;
    top: -3px;
    right: -3px;
  }
  
  /* 确保header在移动端有足够的顶部空间 */
  .header-container {
    padding-top: 40px;
  }
}

.header-transition {
  transition: all var(--transition-normal);
}

.header-styled {
  position: relative;
}

.header-container {
  position: relative;
}

.header-background {
  background: var(--bg-primary);
  box-shadow: var(--shadow-md);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg) 0;
}

.header-left-items {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.icon-button {
  position: relative;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-full);
  transition: all var(--transition-normal);
  color: var(--text-primary);
  background: var(--bg-secondary);
  cursor: pointer;
}

.icon-button:hover {
  background: var(--bg-tertiary);
  transform: scale(1.1);
  box-shadow: var(--shadow-lg);
}

.menu-btn, .close-btn {
  position: relative;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-full);
  transition: all var(--transition-normal);
  color: var(--text-primary);
}

.menu-btn:hover, .close-btn:hover {
  background: var(--bg-tertiary);
}

.menu-btn-animate, .close-btn-animate {
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.logo-container {
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-link {
  display: inline-block;
  transition: all var(--transition-normal);
}

.logo-hover:hover {
  transform: translateY(-3px);
}

.logo-scale {
  transition: transform var(--transition-normal);
}

.logo-link:hover .logo-scale {
  transform: scale(1.05);
}

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

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

.nav-item {
  position: relative;
}

.nav-item-hover:hover {
  transform: translateY(-2px);
}

.nav-link {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--text-primary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all var(--transition-normal);
  position: relative;
}

.nav-link-effect::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-color);
  transition: width var(--transition-normal);
}

.nav-link-effect:hover::after {
  width: 100%;
}

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

/* 主题切换按钮 */
.theme-toggle-beautified {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  width: 50px;
  height: 50px;
  background: var(--bg-secondary);
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  z-index: 999;
  border: 2px solid var(--accent-color);
}

.theme-toggle-beautified:hover {
  transform: scale(1.1);
  background: var(--bg-tertiary);
  box-shadow: 0 6px 20px rgba(74, 111, 255, 0.4);
}

.theme-icon {
  width: 24px;
  height: 24px;
  fill: var(--accent-color);
  stroke: var(--accent-color);
  transition: transform var(--transition-slow);
}

.theme-icon-rotate:hover {
  transform: rotate(180deg);
}

/* 滚动时的头部效果 */
.header__main--sticky {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  backdrop-filter: blur(10px);
  background-color: rgba(18, 18, 18, 0.95);
  box-shadow: var(--shadow-lg);
}

.header-scrolled {
  background-color: rgba(18, 18, 18, 0.95) !important;
  padding: var(--spacing-md) 0 !important;
  box-shadow: var(--shadow-lg);
}

/* Banner轮播样式 */
.hero-swiper {
  position: relative;
  width: 100%;
  height: 60vh;
  overflow: hidden;
  border-radius: 0;
}

.hero-swiper-wrapper {
  transition-timing-function: cubic-bezier(0.645, 0.045, 0.355, 1);
  transition-duration: 800ms;
}

.hero-swiper-slide {
  position: relative;
  height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-image-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1s ease;
}

.hero-swiper-slide:hover .hero-image {
  transform: scale(1.05);
}

.hero-content-container {
  position: relative;
  z-index: 2;
  color: var(--text-primary);
  text-align: center;
  padding: var(--spacing-lg);
  max-width: 800px;
  animation: fadeIn 1s ease-in;
}

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

.hero-title {
  font-size: 2.5rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: 1rem;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-description {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.hero-cta-container {
  margin-top: var(--spacing-lg);
}

.hero-cta-button {
  display: inline-block;
  padding: 12px 30px;
  background: var(--accent-color);
  color: white;
  text-decoration: none;
  border-radius: 30px;
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all var(--transition-normal);
  border: 2px solid transparent;
  box-shadow: 0 4px 15px rgba(74, 111, 255, 0.4);
}

.hero-cta-button:hover {
  background: transparent;
  border-color: var(--accent-color);
  color: var(--accent-color);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(74, 111, 255, 0.6);
}

/* Pagination样式 */
.hero-pagination {
  position: absolute;
  bottom: var(--spacing-xl);
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
}

.hero-pagination .swiper-pagination-bullet {
  width: 12px;
  height: 12px;
  background: rgba(255, 255, 255, 0.5);
  border-radius: var(--border-radius-full);
  margin: 0 6px;
  transition: all var(--transition-normal);
}

.hero-pagination .swiper-pagination-bullet-active {
  width: 30px;
  border-radius: 6px;
  background: var(--accent-color);
}

/* Navigation按钮样式 */
.hero-navigation {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  z-index: 3;
}

.hero-prev-button,
.hero-next-button {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-full);
  border: none;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  backdrop-filter: blur(5px);
}

.hero-prev-button {
  left: var(--spacing-lg);
}

.hero-next-button {
  right: var(--spacing-lg);
}

.hero-prev-button:hover,
.hero-next-button:hover {
  background: var(--accent-color);
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 4px 15px rgba(74, 111, 255, 0.4);
}

/* Scrollbar样式 */
.hero-scrollbar {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  width: 300px;
  height: 4px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 2px;
  z-index: 3;
}

.hero-scrollbar .swiper-scrollbar-drag {
  background: var(--accent-color);
  border-radius: 2px;
  cursor: grab;
}

.hero-scrollbar .swiper-scrollbar-drag:active {
  cursor: grabbing;
}

/* 卡片样式 - 优化版 */
.card, .category-item {
  background: var(--card-bg);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), background-color var(--transition-normal);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

.card:hover,  .category-item:hover {
  background: var(--card-hover);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.card-image, .product-image, .category-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

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

.card-content {
  padding: var(--spacing-lg);
}

.card-title, .product-title {
  font-family: "Assistant", "sans-serif";
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.card-description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.product-price {
  color: var(--accent-primary);
  font-size: var(--font-size-lg);
  font-weight: bold;
  margin-bottom: var(--spacing-sm);
}

/* 按钮通用样式 - 优化版 */
.btn, .section-button, .view-details, .hero-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all var(--transition-normal);
  border: none;
  cursor: pointer;
  text-decoration: none;
  font-family: inherit;
}

.btn-primary, .section-button, .view-details, .hero-button {
  background: var(--button-bg);
  color: var(--button-text);
}

.btn-primary:hover, .section-button:hover, .view-details:hover, .hero-button:hover {
  background: var(--button-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

.btn-primary:active, .section-button:active, .view-details:active, .hero-button:active {
  transform: translateY(0);
}

.btn-secondary {
  background: transparent;
  color: var(--accent-color);
  border: 2px solid var(--accent-color);
}

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



/* 响应式设计 */
@media (max-width: 1200px) {
  .hero-swiper,
  .hero-swiper-slide {
    height: 550px;
  }
}

@media (max-width: 992px) {
  .hero-swiper,
  .hero-swiper-slide {
    height: 500px;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .nav-menu {
    gap: var(--spacing-sm);
  }
  
  .nav-link {
    padding: var(--spacing-sm) var(--spacing-md);
  }
}

@media (max-width: 768px) {
  .hero-swiper,
  .hero-swiper-slide {
    height: 400px;
  }
  
  .hero-title {
    font-size: 1.8rem;
  }
  
  .hero-description {
    font-size: 1rem;
  }
  
  .nav-menu {
    display: none;
  }
  
  .header-row {
    padding: var(--spacing-md) 0;
  }
  
  .hero-prev-button,
  .hero-next-button {
    width: 40px;
    height: 40px;
  }
  
  .hero-pagination {
    bottom: var(--spacing-lg);
  }
}

@media (max-width: 576px) {
  .hero-swiper,
  .hero-swiper-slide {
    height: 300px;
  }
  
  .hero-title {
    font-size: 1.5rem;
  }
  
  .hero-content-container {
    padding: var(--spacing-md);
  }
  
  .hero-cta-button {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.9rem;
  }
  
  .logo-image {
    max-width: 80px !important;
  }
  
  .theme-toggle-beautified {
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 45px;
    height: 45px;
  }
}

/* 特性列表样式 */
.feature-list {
  margin-bottom: var(--spacing-xl);
}

.feature-item {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-md);
  animation: fadeIn 0.6s ease-out;
}

.feature-icon {
  width: 28px;
  height: 28px;
  background-color: var(--accent-primary);
  color: var(--text-primary);
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: var(--spacing-sm);
  font-weight: bold;
  flex-shrink: 0;
}

.feature-text {
  color: var(--text-primary);
  font-size: var(--font-size-md);
}

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

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

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

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

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

/* 区块标题样式 */
.section-title {
  text-align: center;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  position: relative;
  padding-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: var(--accent-color);
  border-radius: 1.5px;
}

.section-description {
  color: var(--text-secondary);
  font-size: var(--font-size-md);
  line-height: 1.8;
  margin-bottom: var(--spacing-lg);
}

/* 视频区块样式 */
.video-section {
  margin: var(--spacing-xl) 0;
  background-color: var(--bg-secondary);
  padding: var(--spacing-xl) 0;
  border-radius: var(--border-radius-lg);
}

.video-container {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.video-placeholder {
  position: relative;
  cursor: pointer;
}

.video-thumbnail {
  width: 100%;
  border-radius: var(--border-radius-lg);
  filter: brightness(0.8);
}

.play-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: rgba(74, 111, 255, 0.8);
  border-radius: var(--border-radius-full);
  padding: var(--spacing-sm);
  transition: background-color var(--transition-normal), transform var(--transition-normal);
}

.play-button:hover {
  background-color: var(--accent-hover);
  transform: translate(-50%, -50%) scale(1.1);
}

/* 工具类 */
.fade-in-up {
  animation: fadeInUp 0.8s ease forwards;
}

.fade-in-down {
  animation: fadeInDown 0.8s ease forwards;
}

.slide-in-right {
  animation: slideInRight 0.8s ease forwards;
}

.slide-in-left {
  animation: slideInLeft 0.8s ease forwards;
}

.pulse {
  animation: pulse 2s infinite;
}

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

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

/* 暗色主题特定样式 */
.dark-theme {
  /* 暗色主题已通过CSS变量实现 */
}

/* 页脚样式 */
footer {
  background-color: var(--footer-bg);
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.footer__block-title {
  color: var(--text-primary);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.footer__menu-list a {
  font-size: 12px;
  color: var(--text-primary);
  transition: color var(--transition-normal);
}

.footer__menu-list a:hover {
  color: var(--accent-primary);
}

/* 分类区块样式 */
.categories-section {
  margin: var(--spacing-xl) 0;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.category-link {
  display: block;
  text-decoration: none;
  color: var(--text-primary);
  transition: transform var(--transition-normal);
}

.category-link:hover {
  transform: translateY(-4px);
}

.category-name {
  padding: var(--spacing-sm);
  text-align: center;
  background-color: var(--card-bg);
  font-weight: bold;
  font-size: var(--font-size-md);
}

/* 表单样式 */
input, textarea, select {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-sm);
  width: 100%;
  margin-bottom: var(--spacing-sm);
  transition: border-color var(--transition-normal);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(74, 111, 255, 0.2);
}

/* 加载动画 */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--accent-color);
  animation: spin 1s ease-in-out infinite;
}

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

/* 滚动条样式 */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-color);
}