/* ========================================
   废电机回收设备网站 - 响应式媒体查询样式
   所有媒体查询代码都放在此文件中
   ======================================== */

/* 移动端响应式字体缩放 */
@media (max-width: 768px) {
  :root {
    --motor-text-4xl: 1.875rem;    /* 30px */
    --motor-text-3xl: 1.5rem;      /* 24px */
    --motor-text-2xl: 1.25rem;     /* 20px */
  }
  
  /* 移动端标题字体调整 */
  h1, .motor-h1 {
    font-size: var(--motor-text-3xl);
  }
  
  h2, .motor-h2 {
    font-size: var(--motor-text-2xl);
  }
  
  h3, .motor-h3 {
    font-size: var(--motor-text-xl);
  }
}

/* 移动端导航响应式调整 */
@media (max-width: 991.98px) {
  /* 移动端导航栏调整 */
  .motor-navbar .navbar-collapse {
    margin-top: 0;
    padding-top: 0;
    border-top: 1px solid var(--motor-gray-200);
  }
  
  .motor-navbar .nav-link {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--motor-gray-200);
    color: var(--motor-gray-700);
    font-weight: var(--motor-font-weight-medium);
  }
  
  .motor-navbar .nav-link:hover {
    color: var(--motor-primary);
  }
  
    /* 移动端下拉菜单完全隐藏 */
  .motor-navbar .dropdown-menu {
    display: none !important;
  }

  /* 移动端多级菜单也隐藏 */
  .motor-navbar .motor-submenu {
    display: none !important;
  }

  /* 移动端下拉菜单箭头隐藏 */
  .motor-navbar .dropdown-toggle::after {
    display: none;
  }
  
    /* 移动端导航项样式 */
  .motor-navbar .nav-item {
    width: 100%;
  }

  .motor-navbar .nav-item:first-child .nav-link {
    padding-top: 0.75rem;
  }

  .motor-navbar .nav-item:last-child .nav-link {
    border-bottom: none;
    padding-bottom: 0.75rem;
  }
  
  /* 移动端下划线动画移除 */
  .motor-navbar .nav-link::after {
    display: none;
  }
  
  /* 移动端Logo调整 */
  .motor-navbar .navbar-brand img {
    height: 32px;
  }
  
  /* 移动端搜索框样式 - 在导航菜单下方显示 */
  .motor-mobile-search {
    margin-top: 0;
    padding-top: 0.75rem;
    border-top: 1px solid var(--motor-gray-200);
  }
  
    .motor-mobile-search .form-control {
    border: 2px solid var(--motor-primary);
    border-radius: var(--motor-radius);
    padding: 0.75rem 1rem;
    font-size: var(--motor-text-base);
  }

  .motor-mobile-search .form-control:focus {
    border-color: var(--motor-primary);
    box-shadow: none !important;
    outline: none;
  }

  .motor-mobile-search .btn {
    border: 2px solid var(--motor-primary);
    border-left: none;
    border-radius: 0 var(--motor-radius) var(--motor-radius) 0;
    padding: 0.6rem 1.5rem;
    font-weight: var(--motor-font-weight-medium);
  }

  .motor-mobile-search .form-control {
    border-radius: var(--motor-radius) 0 0 var(--motor-radius);
  }
  
  /* 确保移动端搜索框在navbar-collapse内部正确显示 */
  .navbar-collapse .motor-mobile-search {
    display: block !important;
    width: 100%;
  }
  
  /* 桌面端搜索隐藏 */
  .motor-search-container {
    display: none !important;
  }
}

/* Banner轮播图响应式设计 */
@media (max-width: 991.98px) {
  .motor-carousel {
    height: 80vh;
    min-height: 600px;
  }

  .motor-slide-title {
    font-size: var(--motor-text-3xl);
    line-height: var(--motor-line-height-snug);
  }

  .motor-slide-description {
    font-size: var(--motor-text-base);
    margin-bottom: 1.5rem;
  }

  .motor-slide-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }





  .motor-carousel-control {
    width: 50px;
    height: 50px;
    font-size: 1.2rem;
  }

  .motor-carousel-prev {
    left: 15px;
  }

  .motor-carousel-next {
    right: 15px;
  }

  .motor-carousel-indicators {
    bottom: 20px;
    gap: 0.5rem;
  }

  .motor-indicator {
    padding: 0.5rem 1rem;
    font-size: var(--motor-text-xs);
  }


}

/* 产品展示模块响应式样式 */
@media (max-width: 992px) {
  .motor-product-card {
    height: 280px;
  }
  
  .motor-product-overlay {
    padding: 1.5rem;
  }
}

@media (max-width: 768px) {
  .motor-product-card {
    height: 250px;
  }
  
  .motor-product-overlay {
    padding: 1rem;
  }
  
  .motor-product-title {
    font-size: var(--motor-text-lg);
  }
  
  .motor-product-desc {
    font-size: 0.8rem;
    margin-bottom: 0.75rem;
  }
  
  .motor-product-features {
    margin-bottom: 1rem;
  }
  
  .motor-feature-tag {
    font-size: 0.75rem;
    padding: 0.15rem 0.5rem;
  }
}

@media (max-width: 576px) {
  .motor-product-card {
    height: 220px;
  }
  
  .motor-section-badge {
    font-size: var(--motor-text-xs);
    padding: 0.4rem 1rem;
  }
  
  .motor-product-overlay {
    padding: 0.75rem;
  }
  
  .motor-product-actions .btn {
    font-size: var(--motor-text-xs);
    padding: 0.4rem 0.8rem;
  }
  
  .motor-product-actions .btn:last-child {
    width: 32px;
    height: 32px;
  }
}



@media (max-width: 768px) {
  .motor-carousel {
    height: 60vh;
    min-height: 500px;
  }

  .motor-slide-content {
    text-align: center;
    padding: 2rem 0;
  }

  .motor-slide-subtitle {
    font-size: var(--motor-text-xs);
    padding: 0.4rem 0.8rem;
    margin-bottom: 1rem;
  }

  .motor-slide-title {
    font-size: var(--motor-text-2xl);
    margin-bottom: 1rem;
  }

  .motor-slide-description {
    font-size: var(--motor-text-sm);
    margin-bottom: 1.5rem;
  }

  .motor-slide-actions {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 0.75rem !important;
    width: 100%;
  }

  .motor-slide-actions .btn {
    width: 100% !important;
    margin: 0 !important;
    min-height: 50px !important;
    font-size: var(--motor-text-base) !important;
    padding: 0.75rem 1rem !important;
    border-radius: var(--motor-radius) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    white-space: nowrap !important;
    flex-shrink: 0 !important;
  }

  .motor-carousel-indicators {
    display: none;
  }

  .motor-carousel-control {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .motor-carousel-prev {
    left: 10px;
  }

  .motor-carousel-next {
    right: 10px;
  }
}

@media (min-width: 992px) {
  .motor-indicator-label {
    display: inline;
  }
}

/* 小屏手机适配 */
@media (max-width: 576px) {
  :root {
    --motor-text-4xl: 1.5rem;      /* 24px */
    --motor-text-3xl: 1.25rem;     /* 20px */
    --motor-text-2xl: 1.125rem;    /* 18px */
  }
  
  /* 小屏按钮调整 */
  .btn-motor-primary,
  .btn-motor-secondary,
  .btn-motor-accent {
    font-size: var(--motor-text-sm);
    padding: 0.5rem 1rem;
  }
  
  /* 小屏卡片间距调整 */
  .motor-card {
    margin-bottom: var(--motor-spacing-4);
  }
}

/* 平板端适配 */
@media (min-width: 768px) and (max-width: 1024px) {
  /* 平板端导航调整 */
  .navbar-nav .nav-link {
    font-size: var(--motor-text-base);
    padding: var(--motor-spacing-3) var(--motor-spacing-4);
  }
}

/* 大屏幕适配 */
@media (min-width: 1200px) {
  /* 大屏容器最大宽度 */
  .container-motor-xl {
    max-width: 1400px;
  }
  
  /* 大屏字体可以稍大 */
  .motor-hero-title {
    font-size: var(--motor-text-5xl);
  }
}

/* 超大屏幕适配 */
@media (min-width: 1400px) {
  .container-motor-xxl {
    max-width: 1600px;
  }
}

/* 横屏手机适配 */
@media (max-height: 500px) and (orientation: landscape) {
  /* 横屏时减少垂直间距 */
  .motor-section-padding {
    padding-top: var(--motor-spacing-8);
    padding-bottom: var(--motor-spacing-8);
  }
}

/* 打印样式优化 */
@media print {
  :root {
    --motor-primary: #000;
    --motor-secondary: #000;
    --motor-accent: #000;
  }
  
  .motor-card {
    box-shadow: none;
    border: 1px solid #000;
  }
  
  /* 打印时隐藏导航和按钮 */
  .navbar,
  .btn,
  .motor-btn {
    display: none !important;
  }
  
  /* 打印时调整字体大小 */
  body {
    font-size: 12pt;
    line-height: 1.4;
  }
  
  h1, .motor-h1 { font-size: 18pt; }
  h2, .motor-h2 { font-size: 16pt; }
  h3, .motor-h3 { font-size: 14pt; }
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
  :root {
    --motor-gray-300: #000;
    --motor-gray-400: #000;
    --motor-gray-500: #000;
  }
  
  .motor-card {
    border: 2px solid #000;
  }
}

/* 减少动效模式 */
@media (prefers-reduced-motion: reduce) {
  .motor-card,
  .btn-motor-primary,
  .btn-motor-secondary,
  .btn-motor-accent {
    transition: none;
  }
  
  .motor-card:hover {
    transform: none;
  }
  
  .btn-motor-primary:hover,
  .btn-motor-secondary:hover,
  .btn-motor-accent:hover {
    transform: none;
  }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
  :root {
    --motor-gray-50: #0f172a;
    --motor-gray-100: #1e293b;
    --motor-gray-200: #334155;
    --motor-gray-300: #475569;
    --motor-gray-700: #cbd5e1;
    --motor-gray-800: #e2e8f0;
    --motor-gray-900: #f1f5f9;
  }
  
  body {
    background-color: var(--motor-gray-100);
    color: var(--motor-gray-700);
  }
  
  .motor-card {
    background-color: var(--motor-gray-200);
    border-color: var(--motor-gray-300);
  }
}

/* ========================================
   公司实力展示模块响应式样式
   ======================================== */

/* 大屏幕调整 */
@media (max-width: 1199px) {
  .motor-strength-content {
    padding-right: 1rem;
    margin-bottom: 3rem;
  }

  .motor-strength-title {
    font-size: var(--motor-text-xl);
  }

  .motor-strength-desc {
    font-size: var(--motor-text-sm);
  }

  .motor-stat-card {
    height: 180px;
    padding: 1.5rem 1rem;
  }

  .stat-icon {
    width: 50px;
    height: 50px;
    margin-bottom: 0.75rem;
    flex-shrink: 0;
    aspect-ratio: 1;
  }

  .stat-icon i {
    font-size: 1.3rem;
  }

  .stat-number {
    font-size: var(--motor-text-3xl);
  }
}

/* 平板设备调整 */
@media (max-width: 991px) {
  .motor-strength-showcase {
    min-height: 400px;
    padding: 4rem 0;
  }

  .motor-strength-content {
    text-align: center;
    padding-right: 0;
    margin-bottom: 3rem;
  }

  .motor-strength-features {
    justify-content: center;
    align-items: center;
  }

  .motor-stat-card {
    height: 160px;
    padding: 1.25rem 0.75rem;
  }

  .stat-number {
    font-size: var(--motor-text-2xl);
  }

  .stat-label {
    font-size: var(--motor-text-base);
  }
}

/* 手机设备调整 */
@media (max-width: 767px) {
  .motor-strength-showcase {
    min-height: 350px;
    padding: 3rem 0;
  }

  /* 在小屏幕设备上优化视频背景 */
  .strength-bg-video {
    /* 在移动设备上可能需要调整视频的显示方式 */
    object-position: center center;
  }

  /* 增强移动设备上的遮罩透明度，确保文字清晰 */
  .strength-video-overlay {
    background: linear-gradient(
      135deg, 
      rgba(30, 58, 138, 0.85) 0%, 
      rgba(59, 130, 246, 0.75) 30%, 
      rgba(5, 150, 105, 0.7) 70%, 
      rgba(234, 88, 12, 0.8) 100%
    );
  }

  .motor-strength-title {
    font-size: var(--motor-text-lg);
  }

  .motor-strength-desc {
    font-size: var(--motor-text-xs);
  }

  .motor-stat-card {
    height: 140px;
    padding: 1rem 0.5rem;
  }

  .stat-icon {
    width: 40px;
    height: 40px;
    margin-bottom: 0.5rem;
    flex-shrink: 0;
    aspect-ratio: 1;
  }

  .stat-icon i {
    font-size: 1.1rem;
  }

  .stat-number {
    font-size: var(--motor-text-xl);
  }

  .stat-label {
    font-size: var(--motor-text-sm);
  }


  .strength-feature {
    font-size: var(--motor-text-sm);
  }
}

/* ========================================
   客户案例展示模块响应式样式
   ======================================== */

/* 平板设备 */
@media (max-width: 768px) {
  .motor-cases-title {
    font-size: var(--motor-text-3xl);
  }

  .motor-cases-subtitle {
    font-size: var(--motor-text-base);
  }

  /* 案例图片调整 */
  .motor-case-image {
    height: 140px;
  }

  /* 案例卡片调整 */
  .motor-case-header {
    padding: 0.75rem 1rem 0;
  }

  .motor-case-body {
    padding: 0.5rem 1rem 1rem;
  }

  .motor-case-year {
    font-size: 0.6rem;
    padding: 0.2rem 0.5rem;
  }

  .motor-case-company {
    font-size: var(--motor-text-sm);
  }

  .motor-case-description {
    font-size: var(--motor-text-xs);
    margin-bottom: 0.75rem;
  }

  /* 数据指标调整 */
  .motor-case-metrics {
    padding: 0.5rem;
    margin-bottom: 0.5rem;
  }

  .motor-metric-value {
    font-size: var(--motor-text-base);
  }

  .motor-metric-label {
    font-size: 0.6rem;
  }
}

/* 手机设备 */
@media (max-width: 576px) {
  .motor-cases-showcase {
    padding: 3rem 0;
  }

  /* 客户案例指标在手机端的布局调整 */
  .motor-case-metrics {
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.75rem;
  }

  .motor-metric {
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
  }

  .motor-metric-value {
    font-size: var(--motor-text-base);
  }

  .motor-metric-label {
    margin-top: 0;
  }
}

  /* ========================================
     Who We Are 关于我们展示模块响应式样式
     ======================================== */

  /* 平板设备调整 */
  @media (max-width: 991px) {
    .motor-about-title {
      font-size: var(--motor-text-3xl);
      text-align: center;
    }

    .motor-about-title::after {
      left: 50%;
      transform: translateX(-50%);
    }

    .motor-about-description {
      text-align: center;
      margin-bottom: 2rem;
    }

    .motor-about-actions {
      justify-content: center;
      margin-bottom: 3rem;
    }

    .about-video-container {
      margin: 0 auto;
    }
  }

  /* 手机设备调整 */
  @media (max-width: 767px) {
    .motor-about-title {
      font-size: var(--motor-text-2xl);
    }


    .motor-about-values {
      padding: 1rem;
    }

    .value-item {
      padding: 0.5rem;
    }

    .value-icon {
      width: 35px;
      height: 35px;
    }

    .value-content h6 {
      font-size: var(--motor-text-xs);
    }

    .motor-about-actions {
      flex-direction: column;
    }

    .motor-about-actions .btn {
      width: 100%;
    }

    .about-main-video {
      transform: none;
    }

    .about-video {
      height: 250px;
    }

    .certification-badge {
      bottom: -15px;
      right: -15px;
      padding: 0.4rem;
    }

    .certification-icon {
      width: 35px;
      height: 35px;
      border-width: 2px;
    }

    .certification-icon i {
      font-size: 1rem;
    }

    .certification-text {
      padding: 0.2rem 0.4rem;
    }

    .certification-text span {
      font-size: 0.7rem;
    }


  }

  /* ========================================
     新闻资讯展示模块响应式样式
     ======================================== */

  /* 平板设备调整 */
  @media (max-width: 991px) {
    .featured-news-section {
      padding: 1.5rem;
    }

    .featured-news-image {
      height: 250px;
    }

    .featured-news-content {
      padding-left: 0;
      padding-top: 1.5rem;
    }

    .news-item-horizontal {
      padding: 1rem;
      gap: 1rem;
    }

    .news-item-image {
      width: 100px;
      height: 80px;
    }

    .certificates-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 0.75rem;
    }

    .certificate-card-image {
      height: 120px;
    }

    .certificate-card-title {
      padding: 0.5rem;
    }

    .certificate-card-title h6 {
      font-size: 0.7rem;
    }

    /* 新闻网格平板响应式 */
    .news-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 0.75rem;
    }

    .news-card-image {
      height: 120px;
    }

    .news-card-content {
      padding: 0.6rem;
    }

    .news-card-title a {
      line-clamp: 2;
    }

    .news-card-excerpt {
      
      line-clamp: 2;
      margin-top: 0.3rem;
    }

    .news-card-meta {
      margin-bottom: 0.4rem;
      gap: 0.4rem;
    }

    .news-card-category {
      padding: 0.2rem 0.4rem;
      font-size: 0.65rem;
    }

    /* 保持新闻和证书区域对齐 */
    .latest-news {
      padding: 1.25rem;
    }

    .certifications-showcase {
      padding: 1.25rem;
    }

    .motor-news-showcase .col-lg-8,
    .motor-news-showcase .col-lg-4 {
      display: flex;
      flex-direction: column;
    }

    /* 展会模块响应式 */
    .exhibitions-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 1.5rem;
    }

    .exhibition-image {
      height: 160px;
    }

    .exhibition-content {
      padding: 1.25rem;
    }

    .exhibition-title {
      font-size: var(--motor-text-base);
    }

    /* Schedule Meeting 按钮响应式 */
    .btn-schedule-meeting {
      gap: 1.25rem;
      padding: 1rem 1.5rem;
    }

    .btn-icon {
      width: 45px;
      height: 45px;
    }

    .btn-icon i {
      font-size: 1.3rem;
    }

    .btn-title {
      font-size: var(--motor-text-base);
    }

    .btn-arrow {
      width: 35px;
      height: 35px;
    }

    .btn-arrow i {
      font-size: 1.1rem;
    }

  }

  /* 手机设备调整 */
  @media (max-width: 767px) {
    .motor-news-showcase {
      padding: var(--motor-spacing-6) 0;
    }

    /* 保持新闻和证书区域对齐 */
    .latest-news {
      padding: 1rem;
    }

    .certifications-showcase {
      padding: 1rem;
    }

    .motor-news-showcase .col-lg-8,
    .motor-news-showcase .col-lg-4 {
      display: flex;
      flex-direction: column;
    }

    .featured-news-section {
      padding: 1rem;
    }

    .featured-news-image {
      height: 200px;
    }

    .featured-news-content {
      padding-top: 1rem;
    }

    .news-title {
      font-size: var(--motor-text-lg);
    }

    .news-excerpt {
      font-size: var(--motor-text-sm);
    }

    .news-actions {
      justify-content: flex-start;
    }

    .news-item-horizontal {
      padding: 0.75rem;
      gap: 0.75rem;
      flex-direction: column;
    }

    .news-item-image {
      width: 100%;
      height: 120px;
    }

    .news-item-title a {
      font-size: var(--motor-text-sm);
      line-clamp: 2;
    }

    .news-item-excerpt {
      font-size: var(--motor-text-xs);
      line-clamp: 1;
    }

    .news-item-meta {
      gap: 0.5rem;
    }

    .certificates-grid {
      grid-template-columns: 1fr;
      gap: 0.5rem;
    }

    .certificate-card {
      flex-direction: column;
    }

    .certificate-card-image {
      height: 100px;
    }

    .certificate-card-title {
      padding: 0.5rem;
    }

    .certificate-card-title h6 {
      font-size: 0.65rem;
    }

    .view-hint i {
      font-size: 1.2rem;
    }

    .view-hint span {
      font-size: 0.65rem;
    }

    /* 新闻网格响应式 */
    .news-grid {
      grid-template-columns: 1fr;
      gap: 0.5rem;
    }

    .news-card-image {
      height: 200px;
    }

    .news-card-content {
      padding: 0.5rem;
    }

    .news-card-title a {
      line-clamp: 1;
    }

    .news-card-excerpt {
      font-size: 0.6rem;
      line-clamp: 1;
      margin-top: 0.25rem;
    }

    .news-card-meta {
      margin-bottom: 0.25rem;
      gap: 0.25rem;
    }

    .news-card-category {
      padding: 0.15rem 0.35rem;
      font-size: 0.6rem;
    }

    .read-hint i {
      font-size: 1.2rem;
    }

    .read-hint span {
      font-size: 0.65rem;
    }

    /* 展会模块手机响应式 */
    .exhibitions-grid {
      grid-template-columns: 1fr;
      gap: 1rem;
    }

    .exhibition-image {
      height: 140px;
    }

    .exhibition-content {
      padding: 1rem;
    }

    .exhibition-title {
      font-size: var(--motor-text-sm);
      margin-bottom: 0.75rem;
    }

    .detail-item {
      font-size: var(--motor-text-xs);
      gap: 0.5rem;
    }

    .detail-item i {
      width: 14px;
      font-size: 0.9rem;
    }


    .exhibition-status {
      padding: 0.35rem 0.75rem;
      font-size: 0.65rem;
    }

    /* Schedule Meeting 按钮手机响应式 */
    .btn-schedule-meeting {
      gap: 1rem;
      padding: 0.875rem 1.25rem;
      flex-direction: column;
      text-align: center;
    }

    .btn-content {
      align-items: center;
      order: 2;
    }

    .btn-icon {
      width: 40px;
      height: 40px;
      order: 1;
    }

    .btn-icon i {
      font-size: 1.2rem;
    }

    .btn-title {
      font-size: var(--motor-text-sm);
    }

    .btn-subtitle {
      font-size: 0.65rem;
    }

    .btn-arrow {
      width: 30px;
      height: 30px;
      order: 3;
    }

    .btn-arrow i {
      font-size: 1rem;
    }

    .btn-schedule-meeting:hover .btn-arrow {
      transform: translateY(4px);
    }

    /* 页脚响应式 */
    .footer-main {
      padding: 3rem 0 1.5rem;
    }

    .footer-logo {
      flex-direction: column;
      text-align: center;
      gap: 0.75rem;
    }

    .footer-brand-name {
      font-size: var(--motor-text-lg);
    }

    .footer-description {
      text-align: center;
      font-size: var(--motor-text-xs);
    }

    .footer-certifications {
      justify-content: center;
    }

    .footer-title {
      font-size: var(--motor-text-base);
      text-align: center;
      margin-bottom: 1rem;
    }

    .footer-title::after {
      left: 50%;
      transform: translateX(-50%);
    }

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

    .footer-links a {
      justify-content: center;
      padding-left: 0;
    }

    .footer-links a::before {
      display: none;
    }

    .footer-links a:hover {
      transform: none;
    }

    .contact-item {
      flex-direction: column;
      text-align: center;
      gap: 0.5rem;
    }

    .contact-content {
      align-items: center;
    }

    .footer-legal {
      justify-content: center;
      gap: 1rem;
    }

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

    .footer-bottom .row {
      flex-direction: column-reverse;
      gap: 1rem;
      text-align: center;
    }
  }

  /* ========================================
     解决方案展示模块响应式样式
     ======================================== */

/* 大屏设备 */
@media (min-width: 1200px) {
  .solution-flow {
    gap: 1rem;
    padding: 1rem 0;
  }
}

/* 桌面设备 */
@media (max-width: 1199px) and (min-width: 992px) {
  .solution-flow {
    gap: 0.75rem;
    padding: 0.75rem 0;
  }

  .solution-filter .nav-link {
    min-width: 120px;
    padding: 0.6rem 1rem;
  }
}

/* 平板设备 */
@media (max-width: 991px) {
  .section-title {
    font-size: var(--motor-text-3xl);
  }

  .section-subtitle {
    font-size: var(--motor-text-base);
  }

  /* 确保选项卡区域有足够的上下空间 */
  .solution-categories {
    padding: 1rem 0;
  }

  .solution-flow {
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 0;
  }

  .solution-flow-container {
    padding: 1.5rem;
  }

  /* 平板端隐藏箭头 */
  .solution-flow-arrow {
    display: none;
  }

  .solution-module {
    min-width: 160px;
    max-width: 200px;
    width: auto;
    flex-shrink: 0;
  }

  .industry-showcase {
    padding: 1.5rem;
  }

  .industry-content h3 {
    font-size: var(--motor-text-2xl);
  }

  .industry-content .lead {
    font-size: var(--motor-text-base);
  }

  .solution-filter {
    justify-content: flex-start;
    overflow-x: auto;
    padding: 1rem 0 1rem 0;
  }

  .solution-filter .nav-link {
    min-width: 140px;
  }

  /* 在小屏幕时减少悬停时的向上移动距离，防止被容器遮挡 */
  .solution-filter .nav-link:hover {
    transform: translateY(-1px);
  }

  .solution-animation {
    height: 250px;
    margin-top: 1.5rem;
  }

  /* 媒体内容响应式 */
  .media-container {
    aspect-ratio: 16/9;
    min-height: 200px;
  }

  .video-content {
    width: 100%;
    height: auto;
    min-height: 200px;
  }
}

/* 手机设备 */
@media (max-width: 767px) {
  #solution-showcase {
    padding: 2rem 0;
  }

  .section-header {
    margin-bottom: 2rem;
  }

  .section-title {
    font-size: var(--motor-text-2xl);
  }

  .section-subtitle {
    font-size: var(--motor-text-sm);
  }

  .solution-categories {
    margin-bottom: 1.5rem;
  }

  .solution-filter {
    gap: 0.5rem;
    padding: 0;
  }

  .solution-filter .nav-link {
    min-width: 120px;
    padding: 0.5rem 0.75rem;
    font-size: var(--motor-text-xs);
  }

  .solution-flow {
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: flex-start;
    gap: 0.5rem;
    padding: 0.5rem 0;
  }

  .solution-flow-container {
    padding: 1rem;
    margin: 1rem 0;
  }

  /* 移动端隐藏箭头 */
  .solution-flow-arrow {
    display: none;
  }

  .solution-module {
    padding: 1rem;
    min-width: 140px;
    max-width: 180px;
    width: auto;
    flex-shrink: 0;
  }

  .module-icon {
    width: 50px;
    height: 50px;
    margin-bottom: 0.75rem;
  }

  .module-icon i {
    font-size: 1.2rem;
  }

  .solution-module h4 {
    font-size: var(--motor-text-base);
    margin-bottom: 0.25rem;
  }

  .solution-module p {
    font-size: var(--motor-text-xs);
  }

  .industry-showcase {
    padding: 1rem;
  }

  .industry-content h3 {
    font-size: var(--motor-text-xl);
    margin-bottom: 0.75rem;
  }

  .industry-content .lead {
    font-size: var(--motor-text-sm);
    margin-bottom: 1rem;
  }

  .industry-features li {
    font-size: var(--motor-text-sm);
    margin-bottom: 0.5rem;
  }

  .industry-features i {
    margin-right: 0.5rem;
  }

  .solution-animation {
    height: 200px;
    margin-top: 1rem;
  }

  /* 手机端媒体内容 */
  .media-container {
    aspect-ratio: 16/9;
    min-height: 180px;
  }

  .video-content {
    width: 100%;
    height: auto;
    min-height: 180px;
  }

  .step-label {
    bottom: 0.5rem;
    left: 0.5rem;
    right: 0.5rem;
    padding: 0.375rem 0.75rem;
    font-size: var(--motor-text-xs);
  }
}

/* 小手机设备 */
@media (max-width: 576px) {
  .solution-filter .nav-link {
    min-width: 100px;
    padding: 0.4rem 0.6rem;
  }

  .solution-module {
    padding: 0.75rem;
  }

  .module-icon {
    width: 40px;
    height: 40px;
  }

  .module-icon i {
    font-size: 1rem;
  }

  .industry-content h3 {
    font-size: var(--motor-text-lg);
  }

  .industry-features li {
    font-size: var(--motor-text-xs);
  }
}

  .motor-cases-title {
    font-size: var(--motor-text-2xl);
  }

  .motor-cases-subtitle {
    font-size: var(--motor-text-sm);
  }

  /* 案例图片调整 */
  .motor-case-image {
    height: 200px;
  }

  .motor-case-header {
    padding: 0.5rem 0.75rem 0;
  }

  .motor-case-body {
    padding: 0.5rem 0.75rem 0.75rem;
  }

  .motor-case-year {
    font-size: 0.55rem;
    padding: 0.15rem 0.4rem;
  }

  .motor-case-company {
    /* font-size: var(--motor-text-xs); */
    margin-bottom: 0.25rem;
  }

  .motor-case-description {
    
    margin-bottom: 0.8rem;
    line-height: 1.4;
  }

  /* 数据指标紧凑排列 */
  .motor-case-metrics {
    padding: 0.375rem;
    gap: 0.375rem;
  }

  .motor-metric-value {
    font-size: var(--motor-text-sm);
  }

  /* .motor-metric-label {
    font-size: 0.55rem;
  } */

  /* 底部按钮响应式 */
  .motor-cases-actions {
    flex-direction: column;
    gap: 0.75rem;
  }

  .motor-cases-actions .btn {
    width: 100%;
  }

/* ========================================
   产品展示区域响应式样式
   ======================================== */

/* 平板设备 */
@media (max-width: 991px) {
  .filters-title {
    font-size: var(--motor-text-2xl);
    text-align: center;
  }

  .filters-title::after {
    left: 50%;
    transform: translateX(-50%);
  }

  /* 添加滚动容器样式 */
  .filter-scroll-container {
    overflow-x: auto;
    padding: 0.5rem 0;
  }

  .filter-tabs {
    justify-content: flex-start;
    gap: 0.75rem;
    min-width: max-content;
  }

  .filter-btn {
    padding: 0.6rem 1rem;
    font-size: var(--motor-text-xs);
    flex-shrink: 0;
    white-space: nowrap;
  }

  .filter-text {
    display: inline;
    font-size: var(--motor-text-xs);
  }

  .filter-count {
    margin-left: 0.5rem;
  }

  .products-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
  }

  .product-info {
    height: auto;
    /* min-height: 240px; */
  }

  .pagination-wrapper {
    padding: 1.5rem 0;
  }
}

/* 手机设备 */
@media (max-width: 767px) {
  .motor-archive-product {
    padding: 3rem 0;
  }

  .product-filters {
    margin-bottom: 2rem;
  }

  .filter-tabs {
    gap: 0.5rem;
  }

  .filter-btn {
    padding: 0.5rem 0.75rem;
    gap: 0.5rem;
    flex-shrink: 0;
    white-space: nowrap;
  }

  .filter-icon {
    width: 20px;
    height: 20px;
  }

  .filter-icon i {
    font-size: 0.8rem;
  }

  .filter-text {
    display: inline;
    font-size: var(--motor-text-xs);
  }

  .filter-count {
    min-width: 20px;
    height: 18px;
    font-size: 0.65rem;
  }

  .products-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .product-card {
    border-radius: var(--motor-radius-xl);
  }

  .product-image {
    height: 200px;
  }

  .product-info {
    padding: 1rem;
    height: auto;
    /* min-height: 200px; */
  }

  .product-title {
    font-size: var(--motor-text-lg);
  }

  .product-description {
    font-size: var(--motor-text-xs);
  }

  .feature-tag {
    font-size: 0.65rem;
    padding: 0.2rem 0.5rem;
  }

  .view-product-btn {
    padding: 0.4rem 0.8rem;
    font-size: var(--motor-text-xs);
  }


  .products-pagination .page-link {
    padding: 0.5rem 0.75rem;
    min-width: 36px;
    font-size: var(--motor-text-xs);
  }

  .products-summary {
    font-size: var(--motor-text-xs);
  }
}

/* 小手机设备 */
@media (max-width: 576px) {
  .filter-tabs {
    justify-content: flex-start;
    gap: 0.5rem;
    min-width: max-content;
  }

  .filter-btn {
    padding: 0.5rem 0.75rem;
    gap: 0.5rem;
    flex-shrink: 0;
    white-space: nowrap;
    font-size: var(--motor-text-xs);
  }

  .product-image {
    height: 180px;
  }
  
  /* .product-info {
    min-height: 220px;
  } */

  .action-btn {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .products-pagination .pagination {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* ========================================
   新闻列表展示样式
   ======================================== */
.motor-news-showcase {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.news-header {
    margin-bottom: 3rem;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    align-items: start;
}

/* 特色新闻 - 大卡片 */
.featured-news {
    grid-column: 1 / -1;
}

.featured-news .news-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
}

.featured-news .news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

/* 普通新闻卡片 */
.news-item:not(.featured-news) .news-card {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.news-item:not(.featured-news) .news-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

/* 新闻图片 */
.news-image-wrapper {
    position: relative;
    overflow: hidden;
}

.featured-news .news-image-wrapper {
    height: 400px;
}

.news-item:not(.featured-news) .news-image-wrapper {
    height: 200px;
}

.news-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.news-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(0, 123, 255, 0.1), rgba(40, 167, 69, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.news-card:hover .news-overlay {
    opacity: 1;
}

/* Feature 徽章 */
.feature-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: linear-gradient(135deg, #ffd700, #ffed4e);
    color: #333;
    padding: 8px 15px;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
    z-index: 2;
}

.feature-badge i {
    color: #ff6b35;
}

/* 新闻内容 */
.news-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.featured-news .news-content {
    padding: 2rem;
}

/* 新闻元信息 */
.news-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    font-size: 0.85rem;
    color: #6c757d;
}

.news-date {
    display: flex;
    align-items: center;
}

.news-category {
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: white;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* 新闻标题 */
.news-title {
    margin-bottom: 1rem;
    line-height: 1.3;
}

.featured-news .news-title {
    font-size: 1.75rem;
    font-weight: 700;
}

.news-item:not(.featured-news) .news-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.news-title a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.news-title a:hover {
    color: #007bff;
}

/* 新闻摘要 */
.news-excerpt {
    color: #6c757d;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex: 1;
}

.featured-news .news-excerpt {
    font-size: 1rem;
}

.news-item:not(.featured-news) .news-excerpt {
    font-size: 0.9rem;
}

/* 新闻标签 */
.news-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.news-tag {
    background: #f8f9fa;
    color: #495057;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.news-tag:hover {
    background: #007bff;
    color: white;
    border-color: #007bff;
}

/* 新闻操作区域 */
.news-actions {
    margin-top: auto;
}

.read-more-btn {
    display: inline-flex;
    align-items: center;
    color: #007bff;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    padding: 8px 0;
}

.read-more-btn:hover {
    color: #0056b3;
    transform: translateX(5px);
}

.read-more-btn i {
    transition: transform 0.3s ease;
}

.read-more-btn:hover i {
    transform: translateX(3px);
}



/* 响应式样式 */
@media (max-width: 991px) {
    .featured-news .news-card {
        grid-template-columns: 1fr;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .featured-news .news-image-wrapper {
        height: 250px;
    }
    
    .news-item:not(.featured-news) .news-image-wrapper {
        height: 180px;
    }
    
    .featured-news .news-content {
        padding: 1.5rem;
    }
    
    .featured-news .news-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 767px) {
    .news-grid {
        gap: 1rem;
    }
    
    .news-content {
        padding: 1rem;
    }
    
    .featured-news .news-image-wrapper {
        height: 200px;
    }
    
    .news-item:not(.featured-news) .news-image-wrapper {
        height: 160px;
    }
    
    .news-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .featured-news .news-title {
        font-size: 1.25rem;
    }
    
    .news-item:not(.featured-news) .news-title {
        font-size: 1.1rem;
    }
}

/* ========================================
   归档页面Banner响应式样式
   ======================================== */

/* 平板设备调整 */
@media (max-width: 991px) {
  .motor-archive-banner {
    height: 50vh;
    min-height: 350px;
  }

  .motor-archive-banner .banner-title {
    font-size: var(--motor-text-3xl);
  }

  .motor-archive-banner .title-subtitle {
    font-size: var(--motor-text-base);
  }

  .motor-archive-banner .banner-description {
    font-size: var(--motor-text-base);
  }

}

/* 手机设备调整 */
@media (max-width: 767px) {
  .motor-archive-banner {
    height: 40vh;
    min-height: 300px;
  }

  .motor-archive-banner .banner-content {
    padding: 1.5rem 0;
  }

  .motor-archive-banner .banner-title {
    font-size: var(--motor-text-2xl);
    margin-bottom: 1rem;
  }

  .motor-archive-banner .title-subtitle {
    font-size: var(--motor-text-sm);
  }

  .motor-archive-banner .banner-description {
    font-size: var(--motor-text-sm);
    line-height: var(--motor-line-height-normal);
  }

}

/* ========================================
   产品详情页响应式样式
   ======================================== */

/* 中等屏幕尺寸优化 - 防止参数表格超出 */
@media (max-width: 1399px) {
  .spec-label {
    padding: 0.6rem 0.4rem;
    font-size: 0.8rem;
  }

  .spec-value {
    padding: 0.6rem 0.4rem;
    font-size: 0.9rem;
  }

  .spec-label i {
    font-size: 1em;
  }
}

@media (max-width: 1199px) {
  .spec-label {
    padding: 0.55rem 0.35rem;
    font-size: 0.75rem;
  }

  .spec-value {
    padding: 0.55rem 0.35rem;
    font-size: 0.85rem;
  }
}

@media (max-width: 991px) {
  .motor-product-hero {
    padding: 3rem 0;
    min-height: 500px;
  }
  
  /* 移动端背景图片优化 */
  .motor-product-hero .hero-bg-image {
    background-position: center center;
    animation: none; /* 移动端禁用动画以提升性能 */
  }
  
  .hero-overlay {
    background: transparent !important;
  }

  .media-frame {
    height: 300px;
  }

  .product-info-panel {
    padding: 1.5rem;
    margin-top: 2rem;
  }

  .product-title {
    font-size: var(--motor-text-3xl);
  }

 

  .specs-title {
    font-size: var(--motor-text-lg);
    margin-bottom: 0.75rem;
  }

  .specs-title::before {
    width: 3px;
    height: 16px;
  }

  .spec-label {
    padding: 0.5rem;
    font-size: var(--motor-text-xs);
    width: 25%;
  }

  .spec-value {
    padding: 0.5rem;
    font-size: var(--motor-text-sm);
    width: 25%;
  }

  .action-buttons {
    flex-direction: column;
  }

  .action-buttons .btn {
    min-width: auto;
  }

  .thumbnail-item {
    width: 100px;
    height: 65px;
  }
}

@media (max-width: 767px) {
  .motor-product-hero {
    padding: 2rem 0;
    min-height: 400px;
  }
  
  /* 小屏幕背景图片优化 */
  .motor-product-hero .hero-bg-image {
    background-position: center center;
    opacity: 1; /* 背景图片完全显示 */
  }

  .product-media-showcase {
    padding: 1rem;
  }

  .media-frame {
    height: 250px;
  }


  .product-info-panel {
    padding: 1rem;
  }

  .product-category-badge {
    font-size: 0.7rem;
    padding: 0.4rem 0.8rem;
  }

  .product-title {
    font-size: var(--motor-text-2xl);
    margin-bottom: 1rem;
  }

  .certification-badges {
    gap: 0.75rem;
    margin-bottom: 1.5rem;
  }

  .cert-badge {
    font-size: var(--motor-text-xs);
    padding: 0.375rem 0.75rem;
  }

  .specs-title {
    font-size: var(--motor-text-base);
    margin-bottom: 0.5rem;
  }

  .specs-title::before {
    width: 2px;
    height: 14px;
  }

  .spec-label {
    padding: 0.4rem;
   
    width: 25%;
  }

  .spec-value {
    padding: 0.4rem;
    font-size: 0.65rem;
    width: 25%;
  }

  /* 移动端表格特殊处理 */
  .specs-table {
    font-size: 0.8rem;
  }

  .spec-label,
  .spec-value {
    padding: 0.3rem;
    line-height: 1.2;
    width: 25%;
  }

  .spec-label i {
    font-size: 0.9em;
  }

  .product-description {
    margin-bottom: 1.5rem;
  }

  .product-description p {
    font-size: var(--motor-text-sm);
  }

  .action-buttons .btn {
    padding: 0.75rem 1rem;
    font-size: var(--motor-text-sm);
  }

  .thumbnail-item {
    width: 80px;
    height: 55px;
  }

  .thumb-overlay {
    padding: 0.25rem;
    font-size: 0.65rem;
  }

  .play-button {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }
}

@media (max-width: 576px) {
  .product-media-showcase {
    padding: 0.75rem;
  }

  .media-frame {
    height: 200px;
    border-radius: var(--motor-radius-lg);
  }

  .product-main-video,
  .product-main-image {
    border-radius: var(--motor-radius-lg);
  }


  .product-title {
    font-size: var(--motor-text-xl);
  }


  .thumbnail-item {
    width: 70px;
    height: 45px;
  }

  .thumbnails-container {
    gap: 0.75rem;
  }

  .thumb-overlay span {
    display: none;
  }

  .thumb-overlay i {
    font-size: 1rem;
  }
}

/* ========================================
   对比展示区域响应式样式
   ======================================== */

@media (max-width: 991px) {
  .comparison-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .comparison-divider {
    display: none;
  }


  .comparison-image-container {
    height: 160px;
  }
 
}

@media (max-width: 767px) {
  .motor-comparison-showcase {
    padding: 3rem 0;
  }


  .comparison-card {
    margin-bottom: 2rem;
  }

  .comparison-image-container {
    height: 150px;
    margin: 0.75rem;
  }

  .comparison-content {
    padding: 0 1rem 1rem;
  }

  .material-list {
    gap: 0.5rem;
  }

  .material-item {
    padding: 0.375rem;
  
  }

  .comparison-description p {
    font-size: var(--motor-text-xs);
  }
  

}

@media (max-width: 576px) {
  .comparison-badge {
    padding: 0.5rem 1rem;
    font-size: var(--motor-text-xs);
  }

  .material-item {
    font-size: 0.7rem;
  }

  .comparison-title-card {
    font-size: var(--motor-text-lg);
  }
}

/* 产品详情导航响应式样式 */
@media (max-width: 991px) {
  .details-navigation {
    padding: 0.75rem 0;
    margin-bottom: 2rem;
  }

  .details-navigation.sticky-top {
    top: 75px; /* 移动端头部导航高度调整 */
  }

  .nav-scroll-container {
    padding: 0.25rem 1rem;
  }

  .details-nav {
    gap: 0.75rem;
    justify-content: flex-start;
  }

  .details-nav .nav-link {
    padding: 0.6rem 1rem;
    font-size: var(--motor-text-xs);
    white-space: nowrap;
    flex-shrink: 0;
  }
}

@media (max-width: 767px) {
  .details-navigation {
    padding: 0.5rem 0;
    margin-bottom: 1.5rem;
  }

  .details-navigation.sticky-top {
    top: 65px; /* 小屏幕头部导航高度调整 */
  }

  .nav-scroll-container {
    padding: 0.25rem 0.75rem;
  }

  .details-nav {
    gap: 0.5rem;
  }

  .details-nav .nav-link {
    padding: 0.5rem 0.75rem;
    font-size: var(--motor-text-xs);
    min-width: 100px;
  }

  .details-nav .nav-link i {
    display: none;
  }
}

@media (max-width: 576px) {
  .nav-scroll-container {
    padding: 0.25rem 0.5rem;
  }

  .details-nav {
    gap: 0.5rem;
  }

  .details-nav .nav-link {
    padding: 0.5rem 0.75rem;
    font-size: var(--motor-text-xs);
    min-width: 90px;
  }
}

/* ========================================
   解决方案流程展示样式
   ======================================== */
.solution-flow-showcase {
    padding: 60px 0;
    background-color: #f8f9fa;
    position: relative;
    overflow: hidden;
}

/* 解决方案流程容器 */
#solution-detail {
    background-color: #fff;
    overflow: visible; /* 允许内容超出 */
}

.solution-process-container {
    margin-bottom: 40px;
}

.solution-process-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
   
    color: #333;
}

.solution-process-description {

    max-width: 1296px;
   
    color: #555;
    font-size: 1.1rem;
    line-height: 1.6;
}

.solution-process-image-container {
    position: relative;
    width: 100%;
    overflow: visible; /* 允许弹窗超出图片区域 */
    padding: 20px 0; /* 恢复原始padding */
    margin-bottom: 30px;
    z-index: 1; /* 确保容器层级正确 */
}

.solution-process-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    overflow: visible; /* 允许提示框溢出 */
}

.solution-process-image {
    width: 100%;
    height: auto;
    border-radius: 10px;

}

/* 热点标记样式 */
.hotspot {
    position: absolute;
    width: 36px;
    height: 36px;
    background-color: #007bff;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 16px;
    cursor: pointer;
    box-shadow: 0 3px 8px rgba(0, 123, 255, 0.5);
    transition: all 0.3s ease;
    z-index: 5;
    border: 2px solid #fff;
}

.hotspot:hover, .hotspot.active {
    transform: scale(1.15);
    background-color: #0056b3;
    box-shadow: 0 5px 12px rgba(0, 123, 255, 0.7);
}

/* 热点提示框样式 - 玻璃透明效果 */
.hotspot-tooltip {
    position: absolute;
    width: 300px;
    /* 后备样式，不支持backdrop-filter的浏览器 */
    background: rgba(255, 255, 255, 0.95);
    /* 玻璃效果 */
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.1),
        0 4px 16px rgba(0, 0, 0, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 9999;
    pointer-events: none;
}

/* 为不支持backdrop-filter的浏览器提供后备样式 */
@supports not (backdrop-filter: blur(20px)) {
    .hotspot-tooltip {
        background: rgba(255, 255, 255, 0.95);
        box-shadow: 
            0 8px 32px rgba(0, 0, 0, 0.15),
            0 4px 16px rgba(0, 0, 0, 0.1);
    }
}

/* 提示框箭头样式 */
.tooltip-arrow {
    position: absolute;
    width: 0;
    height: 0;
    border-style: solid;
    pointer-events: none;
}

.hotspot-tooltip.active {
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto;
    display: block !important;
    z-index: 10000;
    transform: translateY(-2px);
}

/* 桌面端确保提示框正常显示，允许弹窗超出 */
@media (min-width: 992px) {
    .solution-process-image-container {
        overflow: visible; /* 桌面端允许弹窗超出 */
        padding: 20px 0; /* 恢复原始padding */
    }
    
    .solution-process-image-wrapper {
        width: 100%;
        max-width: 100%;
        min-width: auto; /* 取消最小宽度限制 */
        overflow: visible;
    }
    
    .hotspot-tooltip {
        display: block;
    }
    
    .hotspot-tooltip.active {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        display: block !important;
        z-index: 10000;
    }
}

.hotspot-tooltip-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #1a1a1a;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.8);
}

.hotspot-tooltip-content p {
    font-size: 0.95rem;
    color: #2d2d2d;
    line-height: 1.5;
    margin-bottom: 0;
    text-shadow: 0 1px 1px rgba(255, 255, 255, 0.6);
}

/* 提示框位置调整 - 现在使用JavaScript动态定位，移除静态transform规则 */

/* 物料流程展示样式 */
.material-flow {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-top: 1px solid #e0e0e0;
    border-bottom: 1px solid #e0e0e0;
}

.material-flow-title {
    font-size: 2rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.material-flow-subtitle {
    font-size: 1.1rem;
    color: #6c757d;
    margin-bottom: 0;
}

.material-card {
    background: #fff;
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
    height: 100%;
    min-height: 280px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.material-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.material-image-wrapper {
    width: 120px;
    height: 120px;
    margin: 0 auto 1rem;
    border-radius: 15px;
    overflow: hidden;
    background: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid transparent;
}

.material-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.material-title {
    font-size: 1rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.material-desc {
    font-size: 0.85rem;
    color: #6c757d;
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.material-tag {
    display: inline-block;
    font-size: 0.7rem;
    padding: 0.25rem 0.6rem;
    border-radius: 20px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.input-tag {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
}

.output-tag {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.input-material .material-image-wrapper {
    border: 3px solid #3b82f6;
}

.output-material .material-image-wrapper {
    border: 3px solid #10b981;
}

.process-arrow {
    padding: 1rem 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.arrow-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: #007bff;
    background: rgba(0, 123, 255, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    border: 1px solid rgba(0, 123, 255, 0.2);
    white-space: nowrap;
}

/* 移动端优化 */
@media (max-width: 991px) {
    .material-flow {
        padding: 2rem 0 !important;
    }
    
    .material-flow-title {
        font-size: 1.75rem;
    }
    
    .material-flow-subtitle {
        font-size: 1rem;
    }
    
    .material-card {
        padding: 1.25rem;
        margin-bottom: 1rem;
        min-height: 240px;
    }
    
    .material-image-wrapper {
        width: 100px;
        height: 100px;
    }
    
    .material-title {
        font-size: 0.95rem;
    }
    
    .material-desc {
        font-size: 0.8rem;
    }
    
    .process-arrow {
        padding: 0.5rem 0;
        order: -1;
        margin-bottom: 1rem;
        flex-direction: row;
        gap: 1rem;
    }
    
    .process-arrow i {
        transform: rotate(90deg);
        font-size: 1.5rem !important;
      
    }
    
    .arrow-label {
        font-size: 0.8rem;
        padding: 0.2rem 0.6rem;
    }
}

@media (max-width: 767px) {
    .material-flow-title {
        font-size: 1.5rem;
    }
    
    .material-flow-subtitle {
        font-size: 0.95rem;
    }
    
    .material-flow .col-md-4,
    .material-flow .col-md-1,
    .material-flow .col-md-7 {
        margin-bottom: 1rem;
    }
    
    .material-flow .row {
        text-align: center;
    }
    
    /* 小屏幕下 process-arrow 水平居中 */
    .process-arrow {
        justify-content: center;
        align-items: center;
        width: 100%;
        margin: 1rem auto;
        text-align: center;
    }
}

/* 滚动提示 */
.solution-process-scroll-hint {
    text-align: center;
    margin-top: 15px;
    font-size: 0.9rem;
    color: #888;
    display: none;
}

/* 移动端热点内容展示 */
.mobile-hotspot-content {
    display: none;
    margin-top: 30px;
    position: relative;
    scroll-margin-top: 70px; /* 为滚动到此元素提供顶部边距 */
}

/* 水平滚动容器 */
.mobile-hotspot-scroll {
    display: flex;
    overflow-x: auto;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    padding: 10px 0;
    scrollbar-width: thin;
    scrollbar-color: #ccc #f1f1f1;
}

.mobile-hotspot-scroll::-webkit-scrollbar {
    height: 6px;
}

.mobile-hotspot-scroll::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

.mobile-hotspot-scroll::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 10px;
}

.mobile-hotspot-item {
    background-color: #f8f9fa;
    border-radius: 10px;
    padding: 15px;
    margin-right: 15px;
    border-top: 4px solid #007bff;
    min-width: 200px;
    max-width: 280px;
    flex: 0 0 auto;
    box-shadow: 0 3px 10px rgba(0,0,0,0.08);
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.mobile-hotspot-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.mobile-hotspot-item.active {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.15);
    border-top: 4px solid #0056b3;
    background-color: #f0f7ff;
}

.item-header {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    
}

.item-number {
    width: 36px;
    height: 36px;
    background-color: #007bff;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 16px;
    margin-right: 15px;
    transition: transform 0.3s ease;
}

.mobile-hotspot-item:hover .item-number,
.mobile-hotspot-item.active .item-number {
    transform: scale(1.1);
}

.item-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
    color: #333;
}

.item-content {
    font-size: 0.95rem;
    color: #555;
    line-height: 1.5;
    margin-bottom: 0;
}

/* 导航按钮 */
.mobile-hotspot-nav {
    display: flex;
    justify-content: center;
    margin-top: 15px;
    gap: 10px;
}

.hotspot-nav-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: #f8f9fa;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.hotspot-nav-btn:hover {
    background-color: #007bff;
    color: #fff;
}

.hotspot-nav-btn i {
    font-size: 1rem;
}

/* 响应式样式 */
@media (max-width: 991px) {
    .solution-process-title {
        font-size: 1.75rem;
    }
    
    .solution-process-description {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    .hotspot {
        width: 30px;
        height: 30px;
        font-size: 14px;
    }
    
    .hotspot-tooltip {
        width: 250px;
    }
    
    .hotspot-tooltip-title {
        font-size: 1rem;
    }
    
    .hotspot-tooltip-content p {
        font-size: 0.9rem;
    }
    
    .solution-process-scroll-hint {
        display: block;
    }
}

@media (max-width: 991px) {
    #solution-detail {
        padding: 40px 0;
    }
    
    .solution-process-title {
        font-size: 1.5rem;
    }
    
    .solution-process-description {
        font-size: 0.95rem;
        margin-bottom: 1.5rem;
    }
    
    .solution-process-image-container {
        margin-bottom: 20px;
        overflow-x: auto; /* 移动端恢复水平滚动 */
        padding: 20px 0; /* 移动端减少padding */
    }
    
    .solution-process-image-wrapper {
        min-width: 800px; /* 移动端保持最小宽度以触发滚动 */
    }
    
    .hotspot {
        width: 26px;
        height: 26px;
        font-size: 12px;
        cursor: pointer;
    }
    
    /* 在移动端显示列表形式的热点内容 */
    .mobile-hotspot-content {
        display: block;
        margin-top: 40px;
        padding-top: 20px;
        border-top: 1px solid #eee;
    }
    
    /* 移动端隐藏桌面提示框 */
    .hotspot-tooltip {
        display: none !important;
    }
    
    .item-title {
        font-size: 1rem;
    }
    
    .item-content {
        font-size: 0.9rem;
    }
    
    /* 移动端热点激活状态 */
    .hotspot.active {
        background-color: #0056b3;
        transform: scale(1.15);
        box-shadow: 0 5px 12px rgba(0, 123, 255, 0.7);
    }
}

@media (max-width: 576px) {
    #solution-detail {
        padding: 30px 0;
    }
    
    .solution-process-title {
        font-size: 1.25rem;
    }
    
    .solution-process-description {
        font-size: 0.9rem;
        margin-bottom: 1.25rem;
    }
    
    .hotspot {
        width: 22px;
        height: 22px;
        font-size: 10px;
        border-width: 1px;
    }
    
    .mobile-hotspot-item {
        padding: 12px;
    }
    
    .item-number {
        width: 24px;
        height: 24px;
        font-size: 12px;
    }
    
    .item-title {
        font-size: 0.95rem;
    }
    
    .item-content {
        font-size: 0.85rem;
        padding-left: 39px;
    }
}

/* ========================================
   Customer Feedback Section Styles
   ======================================== */

/* 客户反馈区域 */
.customer-feedback {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
}

/* 反馈卡片 */
.feedback-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.feedback-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 6rem;
    color: rgba(0, 123, 255, 0.1);
    font-family: serif;
    line-height: 1;
    pointer-events: none;
}

.feedback-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

/* 反馈头部 */
.feedback-header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.feedback-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 15px;
    flex-shrink: 0;
    border: 3px solid #e9ecef;
    transition: border-color 0.3s ease;
}

.feedback-card:hover .feedback-avatar {
    border-color: #007bff;
}

.avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.feedback-info {
    flex: 1;
}

.feedback-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: #2c3e50;
    margin: 0 0 5px 0;
    line-height: 1.2;
}

.feedback-title {
    font-size: 0.9rem;
    color: #6c757d;
    margin: 0;
    line-height: 1.3;
}

/* 星级评分 */
.feedback-rating {
    display: flex;
    gap: 3px;
    margin-bottom: 20px;
}

.feedback-rating i {
    color: #ffc107;
    font-size: 1.1rem;
}

/* 反馈引用 */
.feedback-quote {
    font-style: italic;
    font-size: 1rem;
    line-height: 1.6;
    color: #495057;
    margin: 0 0 20px 0;
    position: relative;
    padding-left: 0;
    border: none;
}

/* 反馈日期 */
.feedback-date {
    font-size: 0.85rem;
    color: #6c757d;
    font-weight: 500;
    text-align: right;
    border-top: 1px solid #e9ecef;
    padding-top: 15px;
    margin-top: auto;
}

/* 响应式设计 */
@media (max-width: 991px) {
    .feedback-card {
        padding: 25px;
        margin-bottom: 30px;
    }
    
    .feedback-avatar {
        width: 50px;
        height: 50px;
        margin-right: 12px;
    }
    
    .feedback-name {
        font-size: 1.1rem;
    }
    
    .feedback-quote {
        font-size: 0.95rem;
    }
}

@media (max-width: 767px) {
    .feedback-card {
        padding: 20px;
    }
    
    .feedback-header {
        margin-bottom: 15px;
    }
    
    .feedback-rating {
        margin-bottom: 15px;
    }
    
    .feedback-quote {
        margin-bottom: 15px;
        font-size: 0.9rem;
    }
    
    .feedback-avatar {
        width: 45px;
        height: 45px;
        margin-right: 10px;
    }
    
    .feedback-name {
        font-size: 1rem;
    }
    
    .feedback-title {
        font-size: 0.85rem;
    }
}

/* ========================================
   Case CTA Section Styles
   ======================================== */

/* 行动区域 */
.case-cta-section {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    position: relative;
    overflow: hidden;
}

/* CTA卡片 */
.case-cta-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 60px 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

/* CTA内容 */
.case-cta-content {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.case-cta-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #007bff, #0056b3);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 8px 25px rgba(0, 123, 255, 0.3);
}

.case-cta-icon i {
    font-size: 2rem;
    color: white;
}

.case-cta-text {
    flex: 1;
    min-width: 300px;
}

.case-cta-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: #2c3e50;
    margin: 0 0 15px 0;
    line-height: 1.2;
}

.case-cta-description {
    font-size: 1.1rem;
    color: #5a6c7d;
    line-height: 1.6;
    margin: 0;
}

.case-cta-actions {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.case-cta-primary {
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: white;
    border: none;
    padding: 15px 35px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
    min-width: 180px;
    justify-content: center;
}

.case-cta-primary:hover {
    background: linear-gradient(135deg, #0056b3, #004085);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 123, 255, 0.4);
    color: white;
    text-decoration: none;
}

.case-cta-secondary {
    background: transparent;
    color: #007bff;
    border: 2px solid #007bff;
    padding: 13px 35px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    transition: all 0.3s ease;
    min-width: 150px;
    justify-content: center;
}

.case-cta-secondary:hover {
    background: #007bff;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 123, 255, 0.3);
    text-decoration: none;
}

/* 装饰元素 */
.case-cta-decoration {
    position: absolute;
    top: 0;
    right: 0;
    width: 200px;
    height: 200px;
    pointer-events: none;
}

.decoration-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(0, 123, 255, 0.1);
}

.circle-1 {
    width: 120px;
    height: 120px;
    top: -60px;
    right: -60px;
    animation: float 6s ease-in-out infinite;
}

.circle-2 {
    width: 80px;
    height: 80px;
    top: 30px;
    right: 20px;
    animation: float 4s ease-in-out infinite reverse;
}

.circle-3 {
    width: 60px;
    height: 60px;
    top: 80px;
    right: 100px;
    animation: float 5s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* 统计数据 */
.case-cta-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    padding-top: 40px;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: #007bff;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.9rem;
    color: #00ff88;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.6);
}

/* 响应式设计 */
@media (max-width: 1199px) {
    .case-cta-card {
        padding: 50px 30px;
    }
    
    .case-cta-content {
        gap: 30px;
        margin-bottom: 40px;
    }
    
    .case-cta-title {
        font-size: 2rem;
    }
    
    .case-cta-description {
        font-size: 1rem;
    }
}

@media (max-width: 991px) {
    .case-cta-content {
        flex-direction: column;
        text-align: center;
        gap: 25px;
    }
    
    .case-cta-text {
        min-width: auto;
    }
    
    .case-cta-actions {
        justify-content: center;
    }
    
    .case-cta-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .stat-number {
        font-size: 2.2rem;
    }
}

@media (max-width: 767px) {
    .case-cta-card {
        padding: 40px 20px;
        margin: 0 15px;
    }
    
    .case-cta-title {
        font-size: 1.8rem;
    }
    
    .case-cta-description {
        font-size: 0.95rem;
    }
    
    .case-cta-actions {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .case-cta-primary,
    .case-cta-secondary {
        width: 100%;
        max-width: 280px;
    }
    
    .case-cta-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        padding-top: 30px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .stat-label {
        font-size: 0.8rem;
    }
    
    .case-cta-icon {
        width: 70px;
        height: 70px;
    }
    
    .case-cta-icon i {
        font-size: 1.8rem;
    }
}

@media (max-width: 576px) {
    .case-cta-stats {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .case-cta-stats .stat-item {
        display: flex;
        justify-content: space-between;
        align-items: center;
        text-align: left;
        padding: 10px 0;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }
    
    .case-cta-stats .stat-item:last-child {
        border-bottom: none;
    }
    
    .case-cta-stats .stat-number {
        font-size: 1.8rem;
        order: 2;
    }
    
    .case-cta-stats .stat-label {
        order: 1;
        text-transform: none;
        font-size: 0.9rem;
    }
}

/* ===============================================
   新闻详情页面样式
   =============================================== */

/* 新闻详情布局 */
.news-detail-section {
    background-color: #f8f9fa;
}

/* 侧边栏样式 */
.news-sidebar {
    position: sticky;
    top: 2rem;
}

/* 相关产品卡片 */


/* 相关内容卡片 */
.related-content-card .related-item {
    transition: all 0.3s ease;
    padding: 1rem 0;
}

.related-content-card .related-item:hover {
    background-color: #f8f9fa;
    border-radius: 6px;
    padding: 1rem;
    margin: 0 -1rem;
}

.related-content-card .related-image {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
    background: #f8f9fa;
    transition: transform 0.3s ease;
}

.related-content-card .related-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.related-content-card .related-item:hover .related-thumbnail {
    transform: scale(1.1);
}

.related-content-card .related-item a {
    font-weight: 500;
    transition: color 0.3s ease;
    flex: 1;
}

.related-content-card .related-item:hover a {
    color: var(--motor-primary) !important;
}

.related-content-card .related-divider {
    margin: 0.5rem 0;
    border-color: #e9ecef;
    opacity: 0.5;
}

/* 联系卡片 */
.contact-card .icon-circle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.contact-card .contact-item {
    font-size: 0.85rem;
}

/* 文章主体样式 */
.news-article {
    background: white;
    border-radius: 0.5rem;
    padding: 2rem;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
}

.article-meta .badge {
    font-size: 0.75rem;
    padding: 0.4rem 0.8rem;
}

.article-title {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.3;
    color: #2c3e50;
}

.article-summary {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #666;
}

.article-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.image-caption {
    font-style: italic;
    margin-top: 0.5rem;
}

/* 内容区域样式 */
.article-content {
    line-height: 1.8;
    color: #333;
}

.article-content p {
    margin-bottom: 1.2rem;
}

.article-content .first-paragraph {
    font-size: 1.1rem;
    font-weight: 500;
    color: #2c3e50;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #e9ecef;
}

.subsection-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 1.5rem 0 1rem 0;
    color: #495057;
}

.highlight-box {
    border-left: 4px solid #007bff;
}

.highlight-box h6 {
    font-weight: 600;
}

.highlight-box ul {
    padding-left: 1.2rem;
}

.highlight-box li {
    margin-bottom: 0.3rem;
}

/* 统计卡片 */
.stat-card {
    text-align: center;
    border-radius: 0.5rem;
}

.stat-card h4 {
    font-size: 2rem;
    font-weight: 700;
}

.stat-card p {
    font-size: 0.9rem;
}

/* 文章底部功能区 */
.article-footer {
    border-top: 1px solid #e9ecef;
    padding-top: 2rem;
}

/* 标签样式 */
.tag-item {
    background: linear-gradient(45deg, #ff6b35, #f7931e);
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
}

.tag-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
    color: white;
}

/* 分享按钮样式 */
.article-share {
    border-top: 1px solid #e9ecef;
    border-bottom: 1px solid #e9ecef;
}

.share-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
    background-color: #f8f9fa;
    color: #6c757d;
    border: 1px solid #e9ecef;
}

.share-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.share-btn.facebook:hover {
    background-color: #1877f2;
    color: white;
    border-color: #1877f2;
}

.share-btn.linkedin:hover {
    background-color: #0077b5;
    color: white;
    border-color: #0077b5;
}

.share-btn.whatsapp:hover {
    background-color: #25d366;
    color: white;
    border-color: #25d366;
}

.share-btn.twitter:hover {
    background-color: #1da1f2;
    color: white;
    border-color: #1da1f2;
}

.share-btn.copy:hover {
    background-color: #6c757d;
    color: white;
    border-color: #6c757d;
}

.article-navigation .nav-item {
    transition: all 0.3s ease;
    background-color: #fff;
}

.article-navigation .nav-item:hover {
    border-color: #007bff !important;
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.15);
}

.article-navigation .nav-title {
    font-size: 0.9rem;
    line-height: 1.4;
}

.article-navigation .nav-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-navigation .nav-date {
    font-size: 0.7rem;
}

.hover-shadow {
    transition: box-shadow 0.3s ease;
}

.back-to-news {
    border-top: 1px solid #e9ecef;
}

/* 新闻详情页响应式设计 */
@media (max-width: 991px) {
    .news-sidebar {
        position: static;
        margin-bottom: 2rem;
    }
    
    .news-article {
        padding: 1.5rem;
    }
    
    .article-title {
        font-size: 1.6rem;
    }
    
    .article-summary {
        font-size: 1rem;
    }
    
    .article-image img {
        height: 250px;
    }
}

@media (max-width: 767px) {
    .news-article {
        padding: 1rem;
    }
    
    .article-title {
        font-size: 1.4rem;
    }
    
    .article-meta .small {
        display: block;
        margin-top: 0.25rem;
    }
    
    .article-meta .ms-3 {
        margin-left: 0 !important;
    }
    
    .article-image img {
        height: 200px;
    }
    
    .section-title {
        font-size: 1.3rem;
    }
    
    .subsection-title {
        font-size: 1.1rem;
    }
    
    .related-content-card .related-image {
        width: 50px;
        height: 50px;
    }
    
    .related-content-card .related-item {
        padding: 0.75rem 0;
    }
    
    .related-content-card .related-item:hover {
        padding: 0.75rem;
        margin: 0 -0.75rem;
    }
    
    .related-content-card .related-divider {
        margin: 0.4rem 0;
    }

    .share-btn {
        width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }
    
    .share-buttons {
        flex-wrap: wrap;
    }
    
    .article-navigation .nav-title {
        font-size: 0.85rem;
    }
    
    .article-tags span {
        margin-bottom: 0.5rem;
    }
}

/* ========================================
   Case Hero Section Styles
   ======================================== */

/* 案例顶部简介区域 */
.case-hero-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

/* 媒体展示容器 */
.case-media-showcase {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

/* 主媒体容器 */
.main-media-container {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
    background: #f8f9fa;
}

.media-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.4s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.media-item.active {
    opacity: 1;
}

.main-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* 视频包装器 */
.video-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

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

.video-play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.3);
    opacity: 1;
    transition: opacity 0.3s ease;
    pointer-events: auto;
}

.video-wrapper video:not([data-playing="true"]) + .video-play-overlay {
    opacity: 1;
}

.video-wrapper video[data-playing="true"] + .video-play-overlay {
    opacity: 0;
}

.video-play-button {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(15px);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(255, 255, 255, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
    position: relative;
    border: none;
    z-index: 10;
    pointer-events: auto;
}

.video-play-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-left: 16px solid #007bff;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    transform: translate(-40%, -50%);
    transition: all 0.3s ease;
    filter: drop-shadow(0 2px 4px rgba(0, 123, 255, 0.3));
}

.video-play-button:hover {
    background: rgba(255, 255, 255, 1);
    transform: scale(1.05);
    box-shadow: 
        0 12px 48px rgba(0, 0, 0, 0.2),
        0 0 0 1px rgba(255, 255, 255, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.video-play-button:hover::before {
    border-left-color: #0056b3;
    transform: translate(-40%, -50%) scale(1.1);
    filter: drop-shadow(0 3px 6px rgba(0, 123, 255, 0.4));
}

.video-play-button:active {
    transform: scale(0.98);
}

/* 隐藏原来的图标 */
.video-play-button i {
    display: none;
}

/* 缩略图区域 */
.media-thumbnails {
    padding: 15px 20px;
    background: white;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.thumbnail-wrapper {
    display: flex;
    gap: 15px;
    overflow-x: auto;
    padding: 5px;
}

.thumbnail-wrapper::-webkit-scrollbar {
    height: 6px;
}

.thumbnail-wrapper::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.thumbnail-wrapper::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}

.thumbnail-wrapper::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

.thumbnail-item {
    flex-shrink: 0;
    width: 80px;
    height: 60px;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    border: 3px solid transparent;
    transition: all 0.3s ease;
    position: relative;
}

.thumbnail-item:hover {
    border-color: rgba(0, 123, 255, 0.5);
    transform: translateY(-2px);
}

.thumbnail-item.active {
    border-color: #007bff;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
}

.thumbnail-image {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.thumbnail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.video-indicator {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 24px;
    height: 24px;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-indicator i {
    color: white;
    font-size: 12px;
    margin-left: 1px;
}

/* 信息卡片 */
.case-info-card {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.05);
    height: fit-content;
}

.case-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #f8f9fa;
}

.case-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: #2c3e50;
    line-height: 1.3;
    margin: 0;
}

/* 项目信息网格 */
.project-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-bottom: 30px;
}

.info-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    gap: 8px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.info-item:hover {
    background: #e9ecef;
    transform: translateY(-1px);
}

.info-icon {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #007bff, #0056b3);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-icon i {
    font-size: 0.9rem;
    color: white;
}

/* 图标和标题的容器 */
.info-header {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
    margin-bottom: 6px;
}

.info-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    gap: 6px;
    width: 100%;
}

.info-label {
    font-size: 0.9rem;
    color: #6c757d;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-value {
    font-size: 1.1rem;
    color: #2c3e50;
    font-weight: 600;
}

/* 获取报价按钮 */
.case-quote-section {
    text-align: center;
    padding-top: 20px;
    border-top: 2px solid #f8f9fa;
}

.case-quote-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #ff8c00, #ff6b00);
    color: white;
    padding: 15px 40px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 140, 0, 0.3);
    border: none;
    width: 100%;
}

.case-quote-btn:hover {
    background: linear-gradient(135deg, #ff6b00, #e55a00);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 140, 0, 0.4);
    color: white;
    text-decoration: none;
}

/* 响应式设计 */
@media (max-width: 1199px) {
    .case-hero-section .container {
        max-width: 100%;
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .case-hero-section .row {
        margin-left: 0;
        margin-right: 0;
    }
    
    .case-hero-section .col-lg-5 {
        padding-left: 10px;
        padding-right: 10px;
    }
    
    .case-info-card {
        padding: 30px 25px;
        max-width: 100%;
        overflow: hidden;
        margin: 0;
    }
    
    .case-title {
        font-size: 1.6rem;
        line-height: 1.3;
        word-wrap: break-word;
    }
    
    .project-info-grid {
        gap: 12px;
    }
    
    .info-item {
        padding: 12px;
        min-width: 0;
        overflow: hidden;
    }
    
    .info-label {
        font-size: 0.8rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .info-value {
        font-size: 1rem;
        word-wrap: break-word;
        line-height: 1.2;
    }
    
    .info-icon {
        width: 26px;
        height: 26px;
        flex-shrink: 0;
    }
    
    .info-icon i {
        font-size: 0.9rem;
    }
    
    .info-header {
        gap: 6px;
        margin-bottom: 4px;
    }
}

/* 平板端特殊处理 */
@media (max-width: 1199px) and (min-width: 992px) {
    .case-hero-section .col-lg-7,
    .case-hero-section .col-lg-5 {
        flex: 0 0 auto;
    }
    
    .case-hero-section .col-lg-7 {
        width: 58.333333%;
    }
    
    .case-hero-section .col-lg-5 {
        width: 41.666667%;
        max-width: 41.666667%;
    }
    
    .case-info-card {
        padding: 25px 20px;
    }
    
    .info-item {
        padding: 10px 8px;
    }
    
    .info-label {
        font-size: 0.75rem;
    }
    
    .info-value {
        font-size: 0.95rem;
    }
}

@media (max-width: 991px) {
    .case-info-card {
        margin-bottom: 30px;
        margin: 0 15px 30px 15px;
    }
    
    .project-info-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
}

@media (max-width: 767px) {
    .case-hero-section {
        padding: 30px 0;
    }
    
    .case-info-card {
        padding: 25px;
        margin: 0 15px;
    }
    
    .case-title {
        font-size: 1.4rem;
    }
    
    .project-info-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .info-item {
        padding: 10px;
        gap: 6px;
    }
    
    .info-header {
        margin-bottom: 4px;
        gap: 6px;
    }
    
    .info-icon {
        width: 26px;
        height: 26px;
    }
    
    .info-icon i {
        font-size: 0.8rem;
    }
    
    .info-content {
        gap: 0;
    }
    
    .info-label {
        font-size: 0.75rem;
    }
    
    .info-value {
        font-size: 0.9rem;
    }
    
    .case-quote-btn {
        padding: 12px 30px;
        font-size: 1rem;
    }
    
    .video-play-button {
        width: 70px;
        height: 70px;
    }
    
    .video-play-button::before {
        border-left: 14px solid #007bff;
        border-top: 8px solid transparent;
        border-bottom: 8px solid transparent;
    }
    
    .thumbnail-item {
        width: 70px;
        height: 50px;
    }
}

@media (max-width: 576px) {
    .case-media-showcase,
    .case-info-card {
        border-radius: 15px;
    }
    
    .main-media-container {
        aspect-ratio: 16/9;
    }
    
    .media-thumbnails {
        padding: 12px 15px;
    }
    
    .thumbnail-wrapper {
        gap: 10px;
    }
    
    .thumbnail-item {
        width: 60px;
        height: 45px;
    }
    
    .project-info-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    
    .info-item {
        padding: 8px;
        gap: 6px;
    }
    
    .info-header {
        margin-bottom: 3px;
        gap: 6px;
    }
    
    .info-icon {
        width: 24px;
        height: 24px;
    }
    
    .info-icon i {
        font-size: 0.8rem;
    }
    
    .info-label {
        font-size: 0.7rem;
    }
    
    .info-value {
        font-size: 0.85rem;
    }
}

/* ========================================
   视频列表页面样式
   ======================================== */

.motor-video-showcase {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
}

.motor-video-showcase::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23ffffff" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
    pointer-events: none;
}

.motor-video-showcase .container {
    position: relative;
    z-index: 1;
}

.video-header {
    position: relative;
}

.video-header .section-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1.25rem;
    background: linear-gradient(135deg, var(--motor-primary) 0%, var(--motor-secondary) 100%);
    color: white;
    border-radius: var(--motor-radius-xl);
    font-size: var(--motor-text-sm);
    font-weight: var(--motor-font-weight-semibold);
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.2);
}

.video-grid {
    position: relative;
}

.video-item {
    background: white;
    border-radius: var(--motor-radius-xl);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all var(--motor-transition-normal);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.video-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.video-thumbnail-wrapper {
    position: relative;
    overflow: hidden;
}

.video-thumbnail {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

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

.video-item:hover .video-thumb-img {
    transform: scale(1.05);
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.6) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all var(--motor-transition-normal);
}

.video-item:hover .video-overlay {
    opacity: 1;
}

.play-button-large {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--motor-transition-fast);
    backdrop-filter: blur(10px);
    border: 3px solid rgba(255, 255, 255, 0.2);
}

.play-button-large:hover {
    background: white;
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.play-button-large i {
    font-size: 2rem;
    color: var(--motor-primary);
    margin-left: 4px; /* 视觉居中调整 */
}

.video-duration {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: var(--motor-radius-md);
    font-size: 0.75rem;
    font-weight: var(--motor-font-weight-medium);
    backdrop-filter: blur(10px);
}

.video-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    background: white;
}

.video-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.video-category {
    background: linear-gradient(135deg, var(--motor-primary) 0%, var(--motor-secondary) 100%);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--motor-radius-lg);
    font-size: 0.75rem;
    font-weight: var(--motor-font-weight-semibold);
}

.video-date {
    color: var(--motor-gray-500);
    font-size: 0.8rem;
    display: flex;
    align-items: center;
}

.video-date::before {
    content: '';
    width: 4px;
    height: 4px;
    background: var(--motor-gray-400);
    border-radius: 50%;
    margin-right: 0.5rem;
}

.video-title {
    margin-bottom: 0.75rem;
    flex-shrink: 0;
}

.video-title a {
    color: var(--motor-gray-900);
    text-decoration: none;
    font-weight: var(--motor-font-weight-semibold);
    font-size: 1.1rem;
    line-height: var(--motor-line-height-snug);
    transition: color var(--motor-transition-fast);
    display: -webkit-box;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-title a:hover {
    color: var(--motor-primary);
}

.video-description {
    color: var(--motor-gray-600);
    font-size: var(--motor-text-sm);
    line-height: var(--motor-line-height-relaxed);
    margin-bottom: 1rem;
    display: -webkit-box;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

/* 移除视频统计样式 */

/* 视频播放模态框样式 */
.modal-xl .modal-content {
    border-radius: var(--motor-radius-xl);
    overflow: hidden;
}

.video-player-container {
    position: relative;
    background: #000;
}

.video-player-container video {
    display: block;
    max-height: 70vh;
}

/* 响应式调整 */
@media (max-width: 991px) {
    .motor-video-showcase {
        padding: 3rem 0;
    }
    
    .video-header .motor-h2 {
        font-size: var(--motor-text-3xl);
    }
    
    .video-header .lead {
        font-size: var(--motor-text-base);
    }
    
    .play-button-large {
        width: 60px;
        height: 60px;
    }
    
    .play-button-large i {
        font-size: 1.5rem;
    }
    
    .video-content {
        padding: 1.25rem;
    }
    
    .video-title a {
        font-size: 1rem;
    }
}

@media (max-width: 767px) {
    .motor-video-showcase {
        padding: 2rem 0;
    }
    
    .video-header {
        margin-bottom: 2rem;
    }
    
    .video-header .motor-h2 {
        font-size: var(--motor-text-2xl);
    }
    
    .video-header .lead {
        font-size: var(--motor-text-sm);
    }
    
    .video-item {
        border-radius: var(--motor-radius-lg);
    }
    
    .play-button-large {
        width: 50px;
        height: 50px;
    }
    
    .play-button-large i {
        font-size: 1.25rem;
    }
    
    .video-content {
        padding: 1rem;
    }
    
    .video-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .video-title a {
        font-size: 0.95rem;
    }
    
    .video-description {
        font-size: 0.8rem;
        line-clamp: 2;
    }
    
    /* 移除视频统计响应式样式 */
}

@media (max-width: 576px) {
    .video-grid .row {
        --bs-gutter-x: 1rem;
    }
    
    .video-content {
        padding: 0.75rem;
    }
    
    /* 移除小屏幕视频统计样式 */
    
    .video-duration {
        font-size: 0.7rem;
        padding: 0.2rem 0.4rem;
    }
}

/* ========================================
   视频详情页面样式
   ======================================== */

.video-player-section {
    position: relative;
}

.video-container {
    position: relative;
    border-radius: var(--motor-radius-xl);
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    background: #000;
}

.main-video {
    display: block;
    border-radius: var(--motor-radius-xl);
    max-height: 500px;
}

.video-info-section {
    background: white;
    padding: 2rem;
    border-radius: var(--motor-radius-xl);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.video-title {
    color: var(--motor-gray-900);
    font-weight: var(--motor-font-weight-bold);
    font-size: 1.75rem;
    line-height: var(--motor-line-height-snug);
}

.video-meta {
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--motor-gray-200);
}

.video-meta span {
    display: inline-flex;
    align-items: center;
}

.video-meta i {
    color: var(--motor-primary);
}

.video-description p {
    font-size: 1rem;
    line-height: var(--motor-line-height-relaxed);
}

.video-tags-section {
    background: white;
    padding: 1.5rem;
    border-radius: var(--motor-radius-xl);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.video-tags-section .badge {
    font-size: 0.85rem;
    padding: 0.5rem 0.75rem;
    border-radius: var(--motor-radius-lg);
    font-weight: var(--motor-font-weight-medium);
}

.video-share {
    background: white;
    padding: 1.5rem 2rem;
    border-radius: var(--motor-radius-xl);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border-top: 1px solid var(--motor-gray-200);
    border-bottom: 1px solid var(--motor-gray-200);
}

.video-navigation {
    background: white;
    padding: 1.5rem 2rem;
    border-radius: var(--motor-radius-xl);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}


/* 响应式调整 */
@media (max-width: 991px) {
    .video-info-section {
        padding: 1.5rem;
    }
    
    .video-title {
        font-size: 1.5rem;
    }
    
    .video-share,
    .video-navigation {
        padding: 1.25rem 1.5rem;
    }
    
    .video-tags-section {
        padding: 1.25rem;
    }
}

@media (max-width: 767px) {
    .video-info-section {
        padding: 1rem;
    }
    
    .video-title {
        font-size: 1.25rem;
    }
    
    .video-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .video-meta span {
        margin-right: 0;
        margin-bottom: 0.25rem;
    }
    
    .video-description p {
        font-size: 0.9rem;
    }
    
    .video-share,
    .video-navigation {
        padding: 1rem;
    }
    
    .video-tags-section {
        padding: 1rem;
    }
    
    .video-tags-section .badge {
        font-size: 0.75rem;
        padding: 0.4rem 0.6rem;
    }
    
    .main-video {
        max-height: 300px;
    }
}

@media (max-width: 576px) {
    .video-info-section,
    .video-share,
    .video-navigation,
    .video-tags-section {
        padding: 0.75rem;
        border-radius: var(--motor-radius-lg);
    }
    
    .video-container {
        border-radius: var(--motor-radius-lg);
    }
    
    .main-video {
        border-radius: var(--motor-radius-lg);
        max-height: 250px;
    }
    
    .video-title {
        font-size: 1.1rem;
    }
    
    .video-meta .d-flex {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .video-share .d-flex {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .share-buttons {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
}

/* ========================================
   业务区域模块样式
   ======================================== */

.motor-business-section {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
}

.motor-business-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.03) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(239, 68, 68, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

/* 业务卡片样式 */
.business-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 20px;
    padding: 2rem;
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.business-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--motor-primary), var(--motor-secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.business-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.business-card:hover::before {
    transform: scaleX(1);
}

/* 业务图标 */
.business-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--motor-primary), var(--motor-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    position: relative;
    transition: transform 0.3s ease;
}

.business-icon i {
    font-size: 2rem;
    color: white;
}

.business-card:hover .business-icon {
    transform: scale(1.1) rotate(5deg);
}

/* 业务标题 */
.business-title {
    font-size: 1.375rem;
    font-weight: var(--motor-font-weight-semibold);
    color: var(--motor-gray-900);
    margin-bottom: 1rem;
    line-height: 1.3;
}

/* 业务描述 */
.business-description {
    color: var(--motor-gray-600);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* 业务特色列表 */
.business-features {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem 0;
}

.business-features li {
    padding: 0.5rem 0;
    color: var(--motor-gray-700);
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.9rem;
    line-height: 1.5;
}

.business-features li::before {
    content: '\F26A';
    font-family: 'bootstrap-icons';
    position: absolute;
    left: 0;
    top: 0.5rem;
    color: var(--motor-primary);
    font-size: 0.75rem;
}

/* 业务链接 */
.business-link {
    color: var(--motor-primary);
    text-decoration: none;
    font-weight: var(--motor-font-weight-medium);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    margin-top: auto;
}

.business-link i {
    transition: transform 0.3s ease;
}

.business-link:hover {
    color: var(--motor-secondary);
    text-decoration: none;
}

.business-link:hover i {
    transform: translateX(4px);
}

/* 业务行动区域 */
.business-cta {
    background: rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    padding: 3rem 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.business-cta h3 {
    color: var(--motor-gray-900);
    font-weight: var(--motor-font-weight-bold);
}

/* 响应式设计 */
@media (max-width: 991.98px) {
    .business-card {
        padding: 1.5rem;
    }
    
    .business-icon {
        width: 70px;
        height: 70px;
        margin-bottom: 1rem;
    }
    
    .business-icon i {
        font-size: 1.75rem;
    }
    
    .business-title {
        font-size: 1.25rem;
    }
    
    .business-cta {
        padding: 2rem 1.5rem;
    }
}

@media (max-width: 768px) {
    .motor-business-section {
        padding: 3rem 0;
    }
    
    .business-card {
        padding: 1.25rem;
        margin-bottom: 1rem;
    }
    
    .business-icon {
        width: 60px;
        height: 60px;
    }
    
    .business-icon i {
        font-size: 1.5rem;
    }
    
    .business-title {
        font-size: 1.125rem;
        margin-bottom: 0.75rem;
    }
    
    .business-description {
        font-size: 0.9rem;
        margin-bottom: 1rem;
    }
    
    .business-features li {
        font-size: 0.85rem;
        padding: 0.375rem 0;
    }
    
    .business-cta {
        padding: 1.5rem 1rem;
        margin-top: 2rem;
    }
    
    .business-cta h3 {
        font-size: 1.25rem;
    }
    
    .business-cta .btn {
        width: 100%;
        margin-bottom: 0.75rem;
    }
}

/* ========================================
   Why Choose Us 区域样式
   ======================================== */

.motor-why-choose-section,.motor-service-advantages {
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    position: relative;
}

.motor-why-choose-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 40%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(16, 185, 129, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

/* Why Choose Us 页面中的数据统计样式覆盖 */
.motor-why-choose-section .stat-label {
    color: var(--motor-primary) !important;
    font-weight: var(--motor-font-weight-semibold);
}

/* 移除数据卡片的阴影效果 */
.motor-why-choose-section .motor-stat-card {
    box-shadow: none !important;
}

/* 移除数字和标签的文字阴影 */
.motor-why-choose-section .stat-number,
.motor-why-choose-section .stat-label,
.motor-why-choose-section .stat-plus {
    text-shadow: none !important;
}

/* Why Choose Us 卡片样式 */
.why-choose-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 24px;
    padding: 2.5rem 2rem;
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.why-choose-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--motor-primary), var(--motor-secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.why-choose-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.15);
}

.why-choose-card:hover::before {
    transform: scaleX(1);
}

/* 优势图片 */
.choose-image {
    width: 100%;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
    border-radius: 16px;
}

.choose-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 16px;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.why-choose-card:hover .choose-img {
    transform: scale(1.05);
}

/* 优势标题 */
.choose-title {
    font-size: 1.5rem;
    font-weight: var(--motor-font-weight-bold);
    color: var(--motor-gray-900);
    margin-bottom: 1.25rem;
    line-height: 1.3;
}

/* 优势描述 */
.choose-description {
    color: var(--motor-gray-600);
    margin-bottom: 2rem;
    line-height: 1.7;
    font-size: 1rem;
}

/* 优势特色列表 */
.choose-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.choose-features li {
    padding: 0.75rem 0;
    color: var(--motor-gray-700);
    position: relative;
    padding-left: 2rem;
    font-size: 0.95rem;
    line-height: 1.5;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.choose-features li:last-child {
    border-bottom: none;
}

.choose-features li::before {
    content: '\F26A';
    font-family: 'bootstrap-icons';
    position: absolute;
    left: 0;
    top: 0.75rem;
    color: var(--motor-primary);
    font-size: 0.875rem;
    font-weight: bold;
}

.why-choose-card:hover .choose-features li {
    transform: translateX(8px);
    color: var(--motor-gray-800);
}

/* 响应式设计 */
@media (max-width: 991.98px) {
    .why-choose-card {
        padding: 2rem 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .choose-image {
        margin-bottom: 1.5rem;
    }
    
    .choose-img {
        height: 180px;
    }
    
    .choose-title {
        font-size: 1.375rem;
    }
    
    .choose-description {
        margin-bottom: 1.5rem;
    }
}

@media (max-width: 768px) {
    .motor-why-choose-section {
        padding: 3rem 0;
    }
    
    .why-choose-card {
        padding: 1.75rem 1.25rem;
        margin-bottom: 1rem;
    }
    
    .choose-image {
        margin-bottom: 1.25rem;
    }
    
    .choose-img {
        height: 160px;
    }
    
    .choose-title {
        font-size: 1.25rem;
        margin-bottom: 1rem;
    }
    
    .choose-description {
        font-size: 0.9rem;
        margin-bottom: 1.25rem;
    }
    
    .choose-features li {
        font-size: 0.875rem;
        padding: 0.5rem 0;
        padding-left: 1.75rem;
    }
}

@media (max-width: 576px) {
    .choose-img {
        height: 140px;
    }
    
    .choose-title {
        font-size: 1.125rem;
    }
    
    .choose-features li {
        font-size: 0.8rem;
        padding: 0.375rem 0;
        padding-left: 1.5rem;
    }
}

/* ========================================
   相关介绍区域样式
   ======================================== */

.motor-related-section {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    position: relative;
}

.motor-related-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.03) 0%, transparent 50%),
                radial-gradient(circle at 80% 70%, rgba(239, 68, 68, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

/* 相关介绍卡片样式 */
.related-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 20px;
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    overflow: hidden;
}

.related-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--motor-primary), var(--motor-secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
    z-index: 2;
}

.related-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.related-card:hover::before {
    transform: scaleX(1);
}

/* 相关介绍图标区域 */
.related-icon-area {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 2rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 20px 20px 0 0;
    position: relative;
    overflow: hidden;
}

.related-icon-area::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(59, 130, 246, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.related-icon {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--motor-primary), var(--motor-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.2);
}

.related-icon i {
    font-size: 2.5rem;
    color: white;
    transition: transform 0.3s ease;
}

.related-card:hover .related-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 32px rgba(59, 130, 246, 0.3);
}

.related-card:hover .related-icon i {
    transform: scale(1.1);
}

/* 相关介绍内容区域 */
.related-content {
    padding: 2rem 1.5rem;
}

.related-title {
    font-size: 1.375rem;
    font-weight: var(--motor-font-weight-bold);
    color: var(--motor-gray-900);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.related-description {
    color: var(--motor-gray-600);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

/* 相关介绍标签 */
.related-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.highlight-item {
    background: linear-gradient(135deg, var(--motor-primary), var(--motor-secondary));
    color: white;
    padding: 0.375rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: var(--motor-font-weight-medium);
    white-space: nowrap;
}

/* 相关介绍链接 */
.related-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--motor-primary);
    text-decoration: none;
    font-weight: var(--motor-font-weight-semibold);
    transition: all 0.3s ease;
    padding: 0.5rem 0;
}

.related-link i {
    transition: transform 0.3s ease;
    font-size: 0.9rem;
}

.related-link:hover {
    color: var(--motor-secondary);
    text-decoration: none;
}

.related-link:hover i {
    transform: translateX(4px);
}

/* 响应式设计 */
@media (max-width: 991.98px) {
    .related-card {
        margin-bottom: 1.5rem;
    }
    
    .related-icon-area {
        padding: 2.5rem 1.5rem;
    }
    
    .related-icon {
        width: 90px;
        height: 90px;
    }
    
    .related-icon i {
        font-size: 2.25rem;
    }
    
    .related-content {
        padding: 1.5rem 1.25rem;
    }
    
    .related-title {
        font-size: 1.25rem;
    }
}

@media (max-width: 768px) {
    .motor-related-section {
        padding: 3rem 0;
    }
    
    .related-icon-area {
        padding: 2rem 1.25rem;
    }
    
    .related-icon {
        width: 80px;
        height: 80px;
    }
    
    .related-icon i {
        font-size: 2rem;
    }
    
    .related-content {
        padding: 1.25rem 1rem;
    }
    
    .related-title {
        font-size: 1.125rem;
        margin-bottom: 0.75rem;
    }
    
    .related-description {
        font-size: 0.9rem;
        margin-bottom: 1rem;
    }
    
    .highlight-item {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }
}

@media (max-width: 576px) {
    .related-icon-area {
        padding: 1.5rem 1rem;
    }
    
    .related-icon {
        width: 70px;
        height: 70px;
    }
    
    .related-icon i {
        font-size: 1.75rem;
    }
    
    .related-content {
        padding: 1rem 0.75rem;
    }
    
    .related-title {
        font-size: 1rem;
    }
    
    .related-description {
        font-size: 0.85rem;
    }
    
    .related-highlights {
        gap: 0.375rem;
        margin-bottom: 1rem;
    }
    
    .highlight-item {
        font-size: 0.7rem;
        padding: 0.2rem 0.4rem;
    }
}

/* ========================================
   行动按钮区域样式
   ======================================== */

.motor-cta-section {
    background: linear-gradient(135deg, var(--motor-primary) 0%, var(--motor-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.motor-cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

/* CTA 卡片样式 */
.cta-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 24px;
    padding: 3rem 2.5rem;
    position: relative;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

.cta-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--motor-primary), var(--motor-secondary));
}

/* CTA 内容样式 */
.cta-content {
    padding-right: 2rem;
}

.cta-title {
    font-size: 2rem;
    font-weight: var(--motor-font-weight-bold);
    color: var(--motor-gray-900);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.cta-description {
    font-size: 1.125rem;
    color: var(--motor-gray-600);
    line-height: 1.6;
    margin-bottom: 2rem;
}

/* CTA 特色功能 */
.cta-features {
    margin-bottom: 1rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    font-weight: var(--motor-font-weight-medium);
    color: var(--motor-gray-700);
}

.feature-item i {
    color: var(--motor-primary);
    font-size: 1.125rem;
    flex-shrink: 0;
}

/* CTA 按钮样式 */
.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.btn-cta-primary {
    background: linear-gradient(135deg, var(--motor-primary), var(--motor-secondary));
    border: none;
    color: white;
    font-weight: var(--motor-font-weight-semibold);
    padding: 1rem 2rem;
    border-radius: 50px;
    font-size: 1.125rem;
    transition: all 0.3s ease;
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.3);
    min-width: 200px;
}

.btn-cta-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(59, 130, 246, 0.4);
    color: white;
}

.btn-cta-secondary {
    background: transparent;
    border: 2px solid var(--motor-primary);
    color: var(--motor-primary);
    font-weight: var(--motor-font-weight-semibold);
    padding: 1rem 2rem;
    border-radius: 50px;
    font-size: 1.125rem;
    transition: all 0.3s ease;
    min-width: 200px;
}

.btn-cta-secondary:hover {
    background: var(--motor-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.2);
}

/* CTA 联系信息 */
.cta-contact-info {
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    padding-top: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--motor-gray-600);
    margin-bottom: 0.5rem;
}

.contact-item i {
    color: var(--motor-primary);
    font-size: 1rem;
    width: 16px;
    flex-shrink: 0;
}

/* 响应式设计 */
@media (max-width: 991.98px) {
    .cta-card {
        padding: 2.5rem 2rem;
    }
    
    .cta-content {
        padding-right: 0;
        margin-bottom: 2rem;
    }
    
    .cta-title {
        font-size: 1.75rem;
    }
    
    .cta-description {
        font-size: 1rem;
    }
    
    .cta-buttons {
        align-items: center;
    }
}

@media (max-width: 768px) {
    .motor-cta-section {
        padding: 3rem 0;
    }
    
    .cta-card {
        padding: 2rem 1.5rem;
    }
    
    .cta-title {
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }
    
    .cta-description {
        font-size: 0.95rem;
        margin-bottom: 1.5rem;
    }
    
    .feature-item {
        font-size: 0.9rem;
        margin-bottom: 0.5rem;
    }
    
    .btn-cta-primary,
    .btn-cta-secondary {
        font-size: 1rem;
        padding: 0.875rem 1.5rem;
        min-width: 180px;
        width: 100%;
    }
    
    .cta-contact-info {
        text-align: center;
    }
}

@media (max-width: 576px) {
    .cta-card {
        padding: 1.5rem 1rem;
    }
    
    .cta-title {
        font-size: 1.25rem;
    }
    
    .cta-description {
        font-size: 0.9rem;
    }
    
    .cta-features .row {
        row-gap: 0;
    }
    
    .feature-item {
        font-size: 0.85rem;
        gap: 0.5rem;
    }
    
    .btn-cta-primary,
    .btn-cta-secondary {
        font-size: 0.95rem;
        padding: 0.75rem 1.25rem;
        min-width: auto;
    }
    
    .contact-item {
        font-size: 0.85rem;
        justify-content: center;
    }
}

/* ========================================
   公司实力页面样式
   ======================================== */

/* 公司实力概览区域 */
.motor-strength-overview {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    position: relative;
    overflow: hidden;
}

.motor-strength-overview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(59, 130, 246, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.strength-badge {
    display: inline-block;
    background: rgba(59, 130, 246, 0.1);
    color: var(--motor-primary);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: var(--motor-font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.motor-strength-title {
    font-size: 2.5rem;
    font-weight: var(--motor-font-weight-bold);
    color: var(--motor-gray-900);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.motor-strength-description {
    font-size: 1.125rem;
    color: var(--motor-gray-600);
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
}

/* 实力卡片样式 */
.strength-card {
    background: white;
    border-radius: 20px;
    padding: 0;
    height: 100%;
    position: relative;
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.strength-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--motor-primary), var(--motor-secondary));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.strength-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.strength-card:hover::before {
    transform: scaleX(1);
}

/* 卡片图片区域 */
.card-image-wrapper {
    position: relative;
    width: 100%;
    height: 200px;
    border-radius: 16px 16px 0 0;
    overflow: hidden;
    margin-bottom: 0;
}

.card-main-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.4s ease;
}

.card-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.7), rgba(16, 185, 129, 0.7));
    opacity: 0;
    transition: all 0.4s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.overlay-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    transform: scale(0.8);
    transition: all 0.3s ease;
}

.card-content {
    padding-left: 2rem;
    padding-right: 2rem;
    
}

.strength-card:hover .card-main-image {
    transform: scale(1.1);
}

.strength-card:hover .card-image-overlay {
    opacity: 1;
}

.strength-card:hover .overlay-icon {
    transform: scale(1);
}

/* 卡片内容 */
.card-title {
    /* font-size: 1.5rem; */
    font-weight: var(--motor-font-weight-bold);
    color: var(--motor-gray-900);
    margin-bottom: 1rem;
    text-align: center;
}

.card-description {
    font-size: 1rem;
    color: var(--motor-gray-600);
    line-height: 1.6;
    margin-bottom: 2rem;
    text-align: center;
}

/* 卡片统计 */
.card-stats {
    /* display: flex; */
    justify-content: space-between;
    margin-bottom: 2rem;
    gap: 1rem;
    width: 100%;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
}

.stat-item .stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: var(--motor-font-weight-bold);
    color: var(--motor-primary);
    margin-bottom: 0.25rem;
    line-height: 1;
    text-shadow: none;
    box-shadow: none;
}

.stat-item .stat-label {
    font-size: 0.75rem;
    color: var(--motor-gray-500);
    font-weight: var(--motor-font-weight-medium);
    line-height: 1.2;
    text-transform: uppercase;
    text-shadow: none;
    box-shadow: none;
}

/* 卡片特性 - 子元素间距通过.feature-item的margin-bottom实现 */

.card-features .feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    color: var(--motor-gray-700);
}

.card-features .feature-item i {
    color: var(--motor-primary);
    font-size: 1rem;
    flex-shrink: 0;
}

/* 响应式设计 */
@media (max-width: 1199.98px) {
    .card-image-wrapper {
        height: 180px;
    }
    
    .card-content {
        padding: 1.75rem 1.25rem;
    }
    
    .card-title {
        font-size: 1.35rem;
    }
    
    .card-description {
        font-size: 0.95rem;
    }
    
    .overlay-icon {
        width: 70px;
        height: 70px;
        font-size: 1.75rem;
    }
}

@media (max-width: 991.98px) {
    .motor-strength-title {
        font-size: 2rem;
    }
    
    .card-image-wrapper {
        height: 160px;
    }
    
    .card-content {
        padding: 1.5rem;
    }
    
    .card-stats {
        flex-direction: row;
        justify-content: space-between;
        gap: 0.75rem;
        margin-bottom: 1.5rem;
        width: 100%;
    }
    
    .card-stats .stat-item {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        text-align: center !important;
        padding: 10 !important;
        border-bottom: none !important;
        flex: 1 !important;
    }
    
    .card-stats .stat-number {
        display: block !important;
        margin-bottom: 0.25rem !important;
        font-size: 1.3rem !important;
        line-height: 1 !important;
    }
    
    .card-stats .stat-label {
        display: block !important;
        font-size: 0.65rem !important;
        line-height: 1.2 !important;
        text-transform: uppercase !important;
    }
    
    .overlay-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    .motor-strength-title {
        font-size: 1.75rem;
    }
    
    .card-image-wrapper {
        height: 140px;
    }
    
    .card-content {
        padding: 1.25rem 1rem;
    }
    
    .card-title {
        font-size: 1.25rem;
    }
    
    .card-description {
        font-size: 0.9rem;
        margin-bottom: 1.5rem;
    }
    
    .card-features .feature-item {
        font-size: 0.85rem;
    }
    
    .overlay-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
}

@media (max-width: 576px) {
    .motor-strength-title {
        font-size: 1.5rem;
    }
    
    .card-image-wrapper {
        height: 120px;
    }
    
    .card-content {
        padding: 1rem 0.75rem;
    }
    
    .card-title {
        font-size: 1.125rem;
        margin-bottom: 0.75rem;
    }
    
    .card-description {
        font-size: 0.85rem;
        margin-bottom: 1.25rem;
    }
    
    .stat-item .stat-number {
        font-size: 1.5rem;
    }
    
    .stat-item .stat-label {
        font-size: 0.8rem;
    }
    
    .card-features .feature-item {
        font-size: 0.8rem;
        margin-bottom: 0.5rem;
    }
    
    .overlay-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

/* ========================================
   实力展示区域样式
   ======================================== */

/* 实力展示主区域 */
.motor-demonstration-section {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    position: relative;
    overflow: hidden;
}

.motor-demonstration-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.03) 0%, transparent 50%),
                radial-gradient(circle at 80% 70%, rgba(16, 185, 129, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

/* 标题区域 */
.demo-badge {
    display: inline-block;
    background: rgba(59, 130, 246, 0.1);
    color: var(--motor-primary);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: var(--motor-font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.demo-title {
    font-size: 2.5rem;
    font-weight: var(--motor-font-weight-bold);
    color: var(--motor-gray-900);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.demo-description {
    font-size: 1.125rem;
    color: var(--motor-gray-600);
    line-height: 1.6;
    max-width: 700px;
    margin: 0 auto;
}

/* 选项卡样式 */
.demo-tabs-wrapper {
    position: relative;
}

.demo-tabs-scroll {
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    position: relative;
}

.demo-tabs-scroll::-webkit-scrollbar {
    display: none;
}

/* 滚动指示器 */
.demo-tabs-wrapper::before,
.demo-tabs-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 30px;
    z-index: 10;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.demo-tabs-wrapper::before {
    left: 0;
    background: linear-gradient(to right, rgba(248, 250, 252, 0.9), transparent);
}

.demo-tabs-wrapper::after {
    right: 0;
    background: linear-gradient(to left, rgba(248, 250, 252, 0.9), transparent);
}

.demo-tabs-wrapper.has-scroll-left::before {
    opacity: 1;
}

.demo-tabs-wrapper.has-scroll-right::after {
    opacity: 1;
}

.demo-tabs {
    display: flex;
    gap: 0.5rem;
    padding: 0.5rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 60px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    white-space: nowrap;
    min-width: max-content;
}

.demo-tabs .nav-link {
    background: transparent;
    border: none;
    color: var(--motor-gray-600);
    font-weight: var(--motor-font-weight-medium);
    padding: 1rem 1.5rem;
    border-radius: 50px;
    transition: all 0.3s ease;
    white-space: nowrap;
    position: relative;
}

.demo-tabs .nav-link:hover {
    color: var(--motor-primary);
    background: rgba(59, 130, 246, 0.05);
}

.demo-tabs .nav-link.active {
    color: white;
    background: linear-gradient(135deg, var(--motor-primary), var(--motor-secondary));
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.demo-tabs .nav-link i {
    font-size: 1rem;
}

/* 视频展示内容 */
.demo-content {
    position: relative;
}

.demo-video-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    background: white;
}

.video-container {
    position: relative;
    width: 100%;
    height: 400px;
    border-radius: 20px;
    overflow: hidden;
}

.demo-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.video-play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.play-button-wrapper {
    position: relative;
}

.video-play-btn {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--motor-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    position: relative;
    z-index: 2;
}

.video-play-btn:hover {
    background: white;
    transform: scale(1.1);
}

.video-play-btn i {
    margin-left: 4px;
}

.play-ripple {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    border: 2px solid rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    animation: ripple 2s infinite;
}

@keyframes ripple {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) scale(2);
        opacity: 0;
    }
}

.video-info {
    padding: 1rem 1.5rem;
    background: white;
}

.video-stats {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

.video-stats .stat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--motor-gray-600);
    font-size: 0.875rem;
    font-weight: var(--motor-font-weight-medium);
}

.video-stats .stat-item i {
    color: var(--motor-primary);
    font-size: 1rem;
}

/* 内容信息区域 */
.demo-content-info {
    padding: 2rem 0;
}

.content-title {
    font-size: 1.75rem;
    font-weight: var(--motor-font-weight-bold);
    color: var(--motor-gray-900);
    margin-bottom: 1rem;
}

.content-description {
    font-size: 1rem;
    color: var(--motor-gray-600);
    line-height: 1.6;
    margin-bottom: 2rem;
}

/* 内容亮点 - 子元素间距通过.highlight-item的margin-bottom实现 */

.highlight-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.highlight-item:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.highlight-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--motor-primary), var(--motor-secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: white;
    flex-shrink: 0;
}

.highlight-text {
    display: flex;
    flex-direction: column;
}

.highlight-text strong {
    font-size: 1.125rem;
    font-weight: var(--motor-font-weight-bold);
    color: var(--motor-gray-900);
    margin-bottom: 0.25rem;
}

.highlight-text span {
    font-size: 0.875rem;
    color: var(--motor-gray-500);
    font-weight: var(--motor-font-weight-medium);
}

/* 响应式设计 */
@media (max-width: 1199.98px) {
    .demo-title {
        font-size: 2rem;
    }
    
    .video-container {
        height: 350px;
    }
    
    .demo-content-info {
        padding: 1.5rem 0;
    }
}

@media (max-width: 991.98px) {
    .demo-title {
        font-size: 1.75rem;
    }
    
    .video-container {
        height: 300px;
    }
    
    .demo-content-info {
        padding: 1.5rem 0 0 0;
    }
    
    .video-play-btn {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .play-ripple {
        width: 60px;
        height: 60px;
    }
    
    .demo-tabs .nav-link {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
    }
}

@media (max-width: 768px) {
    .demo-title {
        font-size: 1.5rem;
    }
    
    .demo-description {
        font-size: 1rem;
    }
    
    .video-container {
        height: 250px;
    }
    
    .demo-content-info {
        padding: 1rem 0 0 0;
    }
    
    .content-title {
        font-size: 1.5rem;
    }
    
    .highlight-item {
        padding: 0.75rem;
    }
    
    .highlight-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .video-stats {
        gap: 1rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 576px) {
    .demo-title {
        font-size: 1.25rem;
    }
    
    .video-container {
        height: 200px;
    }
    
    .demo-content-info {
        padding: 0.75rem 0 0 0;
    }
    
    .video-play-btn {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
    
    .play-ripple {
        width: 50px;
        height: 50px;
    }
    
    .demo-tabs .nav-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
    }
    
    .content-title {
        font-size: 1.25rem;
    }
    
    .highlight-text strong {
        font-size: 1rem;
    }
    
    .video-stats {
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }
}

/* =================================
   横向服务流程模块样式
================================= */
.motor-horizontal-process {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.motor-horizontal-process::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(var(--motor-primary-rgb), 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(var(--motor-secondary-rgb), 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.motor-horizontal-process .container {
    position: relative;
    z-index: 1;
}

/* 横向流程容器 */
.horizontal-process-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
}

.process-wrapper {
    position: relative;
}

/* 连接线 */
.process-connector {
    position: absolute;
    top: 120px;
    left: 10%;
    right: 10%;
    height: 4px;
    background: linear-gradient(90deg, 
        rgba(var(--motor-primary-rgb), 0.2) 0%, 
        rgba(var(--motor-primary-rgb), 0.8) 20%, 
        rgba(var(--motor-primary-rgb), 0.8) 80%, 
        rgba(var(--motor-primary-rgb), 0.2) 100%);
    border-radius: 2px;
    z-index: 1;
}

.process-connector::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 0;
    right: 0;
    height: 8px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(var(--motor-primary-rgb), 0.1) 20%, 
        rgba(var(--motor-primary-rgb), 0.1) 80%, 
        transparent 100%);
    border-radius: 4px;
    filter: blur(4px);
}

/* 流程步骤容器 */
.process-steps {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    position: relative;
    z-index: 2;
}

/* 单个流程步骤 */
.process-step {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.process-step:nth-child(1) { animation-delay: 0.1s; }
.process-step:nth-child(2) { animation-delay: 0.2s; }
.process-step:nth-child(3) { animation-delay: 0.3s; }
.process-step:nth-child(4) { animation-delay: 0.4s; }
.process-step:nth-child(5) { animation-delay: 0.5s; }

/* 步骤卡片 */
.step-card {
    background: white;
    border-radius: 20px;
    padding: 30px 25px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(var(--motor-primary-rgb), 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    width: 100%;
    min-height: 240px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.step-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--motor-primary), var(--motor-secondary));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.step-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.step-card:hover::before {
    opacity: 1;
}

/* 步骤图标 */
.step-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--motor-primary) 0%, var(--motor-secondary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 8px 25px rgba(var(--motor-primary-rgb), 0.3);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.step-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.step-card:hover .step-icon::before {
    opacity: 1;
}

.step-icon i {
    font-size: 32px;
    color: white;
    z-index: 1;
    position: relative;
}

/* 步骤内容 */
.step-content {
    flex: 1;
}

.step-title {
    color: var(--motor-dark);
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.2;
}

.step-desc {
    color: var(--motor-text);
    font-size: 15px;
    line-height: 1.5;
    margin-bottom: 15px;
}

.step-duration {
    background: linear-gradient(135deg, rgba(var(--motor-primary-rgb), 0.1), rgba(var(--motor-secondary-rgb), 0.1));
    color: var(--motor-primary);
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 13px;
    font-weight: 600;
    border: 1px solid rgba(var(--motor-primary-rgb), 0.2);
    display: inline-block;
}

/* 步骤编号 */
.step-number {
    background: white;
    color: var(--motor-primary);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 16px;
    margin-top: 20px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
    border: 3px solid rgba(var(--motor-primary-rgb), 0.1);
    transition: all 0.3s ease;
    position: relative;
}

.step-number::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--motor-primary), var(--motor-secondary));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.process-step:hover .step-number {
    color: white;
    transform: scale(1.1);
}

.process-step:hover .step-number::before {
    opacity: 1;
}

/* 流程统计信息 */
.process-stats {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px 30px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(var(--motor-primary-rgb), 0.1);
    transition: all 0.3s ease;
    height: 100%;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--motor-primary), var(--motor-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(var(--motor-primary-rgb), 0.3);
}

.stat-icon i {
    font-size: 24px;
    color: white;
}

.stat-content {
    flex: 1;
}

.stat-number {
    font-size: 28px;
    font-weight: 800;
    color: var(--motor-dark);
    margin-bottom: 5px;
    background: linear-gradient(135deg, #0dcaf0, #ffc107);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat-label {
    color: var(--motor-text);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 响应式设计 */
@media (max-width: 1199.98px) {
    .process-steps {
        gap: 15px;
    }
    
    .step-card {
        padding: 25px 20px;
        min-height: 220px;
    }
    
    .step-icon {
        width: 70px;
        height: 70px;
    }
    
    .step-icon i {
        font-size: 28px;
    }
    
    .step-title {
        font-size: 18px;
    }
}

@media (max-width: 991.98px) {
    .process-connector {
        display: none;
    }
    
    .process-steps {
        flex-direction: column;
        gap: 30px;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .process-step {
        width: 100%;
    }
    
    .step-card {
        flex-direction: row;
        text-align: left;
        padding: 25px;
        min-height: auto;
        align-items: center;
        gap: 25px;
    }
    
    .step-icon {
        margin: 0;
        flex-shrink: 0;
    }
    
    .step-content {
        flex: 1;
    }
    
    .step-number {
        margin-top: 0;
        margin-left: auto;
        flex-shrink: 0;
    }
    
    .process-stats {
        padding: 30px 20px;
    }
    
    .stat-item {
        padding: 15px;
        gap: 15px;
    }
    
    .stat-icon {
        width: 50px;
        height: 50px;
    }
    
    .stat-icon i {
        font-size: 20px;
    }
    
    .stat-number {
        font-size: 24px;
    }
}

@media (max-width: 768px) {
    .motor-horizontal-process {
        padding: 3rem 0;
    }
    
    .step-card {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    .step-content {
        order: 2;
    }
    
    .step-number {
        order: 3;
        margin: 0 auto;
    }
    
    .step-icon {
        order: 1;
        margin: 0 auto;
        width: 60px;
        height: 60px;
    }
    
    .step-icon i {
        font-size: 24px;
    }
    
    .step-title {
        font-size: 16px;
    }
    
    .step-desc {
        font-size: 14px;
    }
    
    .process-stats {
        padding: 25px 15px;
        border-radius: 15px;
    }
    
    .stat-item {
        flex-direction: column;
        text-align: center;
        gap: 15px;
        padding: 20px 15px;
    }
    
    .stat-content {
        flex: none;
    }
}

@media (max-width: 576px) {
    .process-steps {
        gap: 25px;
    }
    
    .step-card {
        padding: 20px;
        border-radius: 15px;
    }
    
    .step-icon {
        width: 50px;
        height: 50px;
    }
    
    .step-icon i {
        font-size: 20px;
    }
    
    .step-number {
        width: 40px;
        height: 40px;
        font-size: 14px;
    }
    
    .step-title {
        font-size: 15px;
        margin-bottom: 8px;
    }
    
    .step-desc {
        font-size: 13px;
        margin-bottom: 12px;
    }
    
    .step-duration {
        font-size: 12px;
        padding: 6px 12px;
    }
    
    .stat-number {
        font-size: 20px;
    }
    
    .stat-label {
        font-size: 12px;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 悬停效果增强 */
.process-step:hover .step-icon {
    transform: scale(1.1);
    box-shadow: 0 12px 35px rgba(var(--motor-primary-rgb), 0.4);
}

.process-step:hover .step-card {
    border-color: rgba(var(--motor-primary-rgb), 0.2);
}

/* =================================
   Service Advantages 服务优势模块样式
================================= */
.motor-service-advantages {
 
    overflow: hidden;
}

.motor-service-advantages::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 30%, rgba(var(--motor-primary-rgb), 0.02) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(var(--motor-secondary-rgb), 0.02) 0%, transparent 50%);
    pointer-events: none;
}

.motor-service-advantages .container {
    position: relative;
    z-index: 1;
}

/* 优势卡片网格 */
.advantages-grid {
    position: relative;
}

/* 优势卡片 */
.advantage-card {
    background: white;
    border-radius: 20px;
    padding: 35px 30px;
    text-align: center;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(var(--motor-primary-rgb), 0.08);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
}

.advantage-card:nth-child(1) { animation-delay: 0.1s; }
.advantage-card:nth-child(2) { animation-delay: 0.2s; }
.advantage-card:nth-child(3) { animation-delay: 0.3s; }
.advantage-card:nth-child(4) { animation-delay: 0.4s; }
.advantage-card:nth-child(5) { animation-delay: 0.5s; }
.advantage-card:nth-child(6) { animation-delay: 0.6s; }

/* 顶部装饰条 */
.advantage-accent {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--motor-primary), var(--motor-secondary));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.advantage-card:hover .advantage-accent {
    opacity: 1;
}

.advantage-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
    border-color: rgba(var(--motor-primary-rgb), 0.15);
}

/* 优势图标 */
.advantage-icon {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, rgba(var(--motor-primary-rgb), 0.1), rgba(var(--motor-secondary-rgb), 0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.advantage-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: linear-gradient(135deg, var(--motor-primary), var(--motor-secondary));
    border-radius: 50%;
    transition: all 0.4s ease;
    transform: translate(-50%, -50%);
    z-index: 1;
}

.advantage-card:hover .advantage-icon::before {
    width: 100%;
    height: 100%;
}

.advantage-icon i {
    font-size: 40px;
    color: var(--motor-primary);
    transition: all 0.3s ease;
    z-index: 2;
    position: relative;
}

.advantage-card:hover .advantage-icon i {
    color: white;
    transform: scale(1.1);
}

/* 优势内容 */
.advantage-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    text-align: center;
}

.advantage-title {
    color: var(--motor-dark);
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
    line-height: 1.3;
    transition: color 0.3s ease;
}

.advantage-card:hover .advantage-title {
    color: var(--motor-primary);
}

.advantage-description {
    color: var(--motor-text);
    font-size: 15px;
    line-height: 1.6;
    margin: 0;
    text-align: left;
}

/* 响应式设计 */
@media (max-width: 1199.98px) {
    .advantage-card {
        padding: 30px 25px;
    }
    
    .advantage-icon {
        width: 80px;
        height: 80px;
        margin-bottom: 20px;
    }
    
    .advantage-icon i {
        font-size: 36px;
    }
    
    .advantage-title {
        font-size: 20px;
    }
}

@media (max-width: 991.98px) {
    .motor-service-advantages {
        padding: 4rem 0;
    }
    
    .advantage-card {
        padding: 25px 20px;
        margin-bottom: 20px;
    }
    
    .advantage-icon {
        width: 70px;
        height: 70px;
        margin-bottom: 18px;
    }
    
    .advantage-icon i {
        font-size: 32px;
    }
    
    .advantage-title {
        font-size: 18px;
        margin-bottom: 12px;
    }
    
    .advantage-description {
        font-size: 14px;
    }
}

@media (max-width: 768px) {
    .motor-service-advantages {
        padding: 3rem 0;
    }
    
    .advantage-card {
        padding: 25px 20px;
        border-radius: 15px;
    }
    
    .advantage-icon {
        width: 65px;
        height: 65px;
        margin-bottom: 15px;
    }
    
    .advantage-icon i {
        font-size: 28px;
    }
    
    .advantage-title {
        font-size: 17px;
        margin-bottom: 10px;
    }
    
    .advantage-description {
        font-size: 14px;
        line-height: 1.5;
    }
}

@media (max-width: 576px) {
    .advantage-card {
        padding: 20px 18px;
        margin-bottom: 15px;
    }
    
    .advantage-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 12px;
    }
    
    .advantage-icon i {
        font-size: 24px;
    }
    
    .advantage-title {
        font-size: 16px;
        margin-bottom: 8px;
    }
    
    .advantage-description {
        font-size: 13px;
    }
}

/* 悬停效果增强 */
.advantage-card:hover .advantage-icon {
    transform: scale(1.05);
}

/* 交错动画效果 */
.advantages-grid .row > div:nth-child(even) .advantage-card {
    animation-delay: 0.15s;
}

.advantages-grid .row > div:nth-child(3n) .advantage-card {
    animation-delay: 0.25s;
}

/* =================================
   FAQ模块响应式样式
================================= */
@media (max-width: 1199.98px) {
    .faq-header {
        padding: 22px 25px;
    }
    
    .faq-question {
        font-size: 17px;
        padding-right: 15px;
    }
    
    .faq-content {
        padding: 0 25px 25px 25px;
        font-size: 14px;
    }
}

@media (max-width: 991.98px) {
    .motor-faq-section {
        padding: 3rem 0;
    }
    
    .faq-header {
        padding: 20px;
    }
    
    .faq-question {
        font-size: 16px;
        padding-right: 12px;
    }
    
    .faq-icon {
        width: 35px;
        height: 35px;
    }
    
    .faq-icon i {
        font-size: 16px;
    }
    
    .faq-content {
        padding: 0 20px 20px 20px;
        font-size: 14px;
    }
    
    .faq-item {
        margin-bottom: 15px;
        border-radius: 12px;
    }
    
    .contact-card {
        padding: 2rem;
    }
    
    .contact-method {
        padding: 1.25rem;
    }
    
    .contact-method i {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .filter-buttons {
        justify-content: center !important;
    }
    
    .filter-btn {
        font-size: 0.85rem;
        padding: 0.6rem 1.2rem;
    }
    
    .search-box {
        padding: 0.6rem 1.2rem;
    }
    
    .faq-header {
        padding: 18px;
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .faq-question {
        font-size: 15px;
        padding-right: 0;
        order: 1;
    }
    
    .faq-icon {
        width: 32px;
        height: 32px;
        order: 2;
        align-self: flex-end;
        margin-top: -32px;
    }
    
    .faq-icon i {
        font-size: 14px;
    }
    
    .faq-content {
        padding: 0 18px 18px 18px;
        font-size: 13px;
        line-height: 1.5;
    }
    
    .faq-item {
        margin-bottom: 12px;
        border-radius: 10px;
    }
    
    .contact-card {
        padding: 1.5rem;
    }
    
    .contact-card h3 {
        font-size: 1.5rem;
    }
    
    .contact-methods .row {
        row-gap: 1rem;
    }
}

@media (max-width: 576px) {
    .filter-btn {
        font-size: 0.8rem;
        padding: 0.5rem 1rem;
    }
    
    .search-box {
        padding: 0.5rem 1rem;
    }
    
    .search-input {
        font-size: 0.9rem;
    }
    
    .faq-header {
        padding: 15px;
        flex-direction: row;
        align-items: center;
        gap: 0;
    }
    
    .faq-question {
        font-size: 14px;
        padding-right: 10px;
        order: unset;
        line-height: 1.3;
    }
    
    .faq-icon {
        width: 30px;
        height: 30px;
        order: unset;
        align-self: center;
        margin-top: 0;
    }
    
    .faq-icon i {
        font-size: 12px;
    }
    
    .faq-content {
        padding: 0 15px 15px 15px;
        font-size: 12px;
    }
    
    .faq-item {
        margin-bottom: 10px;
    }
    
    .contact-card {
        padding: 1.25rem;
    }
    
    .contact-card h3 {
        font-size: 1.25rem;
    }
    
    .contact-method {
        padding: 1rem;
    }
    
    .contact-method i {
        font-size: 1.75rem;
        margin-bottom: 0.75rem;
    }
    
    .contact-method h5 {
        font-size: 1rem;
    }
}

/* =================================
   联系我们页面响应式样式
================================= */
@media (max-width: 991.98px) {
    .contact-title {
        font-size: var(--motor-text-3xl);
    }
    
    .contact-description {
        font-size: var(--motor-text-base);
    }
    
    .contact-method-card {
        padding: 1.5rem;
    }
    
    .method-icon {
        width: 70px;
        height: 70px;
        font-size: 1.75rem;
    }
    
    .method-content h3 {
        font-size: var(--motor-text-lg);
    }
    
    .address-info-card {
        padding: 2rem;
        margin-bottom: 2rem;
    }
    
    .info-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .location-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
    
    .address-item {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .address-label {
        min-width: auto;
        justify-content: flex-start;
    }
    
    .map-container {
        min-height: 300px;
    }
    
    .google-map-wrapper iframe {
        min-height: 300px;
    }
}

@media (max-width: 768px) {
    .motor-contact-section {
        padding: 2rem 0;
    }
    
    .contact-title {
        font-size: var(--motor-text-2xl);
    }
    
    .contact-description {
        font-size: var(--motor-text-sm);
    }
    
    .contact-method-card {
        padding: 1.25rem;
    }
    
    .method-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .method-content h3 {
        font-size: var(--motor-text-base);
    }
    
    .contact-link {
        font-size: var(--motor-text-base);
    }
    
    .address-info-card {
        padding: 1.5rem;
    }
    
    .header-content h3 {
        font-size: var(--motor-text-xl);
    }
    
    .address-details {
        gap: 1.5rem;
    }
    
    .map-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .map-placeholder h4 {
        font-size: var(--motor-text-lg);
    }
    
    .google-map-wrapper iframe {
        min-height: 250px;
    }
}

@media (max-width: 576px) {
    .contact-methods-section .row {
        row-gap: 1.5rem;
    }
    
    .contact-method-card {
        padding: 1rem;
    }
    
    .method-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
    
    .method-content h3 {
        font-size: var(--motor-text-sm);
        margin-bottom: 0.25rem;
    }
    
    .method-content p {
        font-size: var(--motor-text-xs);
        margin-bottom: 1rem;
    }
    
    .contact-link {
        font-size: var(--motor-text-sm);
    }
    
    .availability {
        font-size: var(--motor-text-xs);
    }
    
    .address-info-card {
        padding: 1.25rem;
    }
    
    .location-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .header-content h3 {
        font-size: var(--motor-text-lg);
    }
    
    .address-label span {
        font-size: var(--motor-text-xs);
    }
    
    .address-value {
        font-size: var(--motor-text-sm);
    }
    
    .map-container {
        min-height: 250px;
    }
    
    .map-placeholder {
        padding: 1.5rem;
    }
    
    .map-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
        margin-bottom: 1rem;
    }
    
    .map-placeholder h4 {
        font-size: var(--motor-text-base);
    }
    
    .map-placeholder p {
        font-size: var(--motor-text-sm);
        margin-bottom: 1.5rem;
    }
    
    .map-btn {
        padding: 0.5rem 1rem;
        font-size: var(--motor-text-sm);
    }
    
    .google-map-wrapper iframe {
        min-height: 200px;
    }
}

/* ========================================
   404ҳ����Ӧʽ��ʽ
   ======================================== */

/* �ƶ����Ż� */
@media (max-width: 767.98px) {
  .motor-404-page {
    min-height: 100vh;
    padding: 1rem 0;
  }

  .error-visual {
    margin-bottom: 2rem;
  }

  .gear-background {
    width: 200px;
    height: 200px;
  }

  .gear {
    font-size: 2.5rem;
  }

  .gear-2 {
    font-size: 2rem;
  }

  .gear-3 {
    font-size: 1.8rem;
  }

  .error-number {
    font-size: 4rem;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
  }

  .error-title {
    font-size: var(--motor-text-2xl);
  }

  .error-description {
    font-size: var(--motor-text-base);
    padding: 0 1rem;
  }


  .nav-card {
    padding: 1.5rem 0.75rem;
  }

  .nav-icon {
    width: 50px;
    height: 50px;
    margin-bottom: 0.75rem;
  }

  .nav-icon i {
    font-size: 1.25rem;
  }

  .nav-card span {
    font-size: var(--motor-text-sm);
  }

}

/* ƽ����Ż� */
@media (min-width: 768px) and (max-width: 991.98px) {
  .error-number {
    font-size: 6rem;
  }

  .gear-background {
    width: 250px;
    height: 250px;
  }

  .nav-card {
    padding: 1.75rem 1rem;
  }
}

/* ����Ļ�Ż� */
@media (min-width: 1200px) {
  .error-number {
    font-size: 10rem;
    gap: 1.5rem;
  }

  .gear-background {
    width: 400px;
    height: 400px;
  }

  .gear {
    font-size: 5rem;
  }

  .gear-2 {
    font-size: 4rem;
  }

  .gear-3 {
    font-size: 3rem;
  }
}