/**
 * 汽车测评主题 - 响应式设计
 * 基于 qichela 响应式样式
 */

/* 平板设备 (768px - 1024px) */
@media screen and (max-width: 1024px) {
  .container {
    max-width: 960px;
    padding: 0 20px;
  }
  
  .hero-title {
    font-size: 36px;
  }
  
  .hero-description {
    font-size: 18px;
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }
  
  .category-grid {
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 20px;
  }
  
  /* 列表页响应式布局 */
  .list-page .row {
    flex-direction: column;
  }
  
  /* 首页响应式 */
  .content-wrapper {
    flex-direction: column;
  }
  
  .container.wrap {
    flex-direction: column;
  }
  
  .main-content {
    flex-direction: column;
    width: 100%;
  }
  
  .sidebar {
    width: 100% !important;
    max-width: 600px;
    margin: 0 auto;
  }
  
  .list-page .col-lg-8 {
    flex: 0 0 100%;
    max-width: 100%;
  }
  
  .list-page .col-lg-4 {
    flex: 0 0 100%;
    max-width: 100%;
  }
  
  .list-page .sidebar {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
  }
  
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }
}

/* 中等移动设备 (481px - 767px) */
@media screen and (max-width: 767px) {
  .container {
    max-width: 100%;
    padding: 0 15px;
  }
  
  /* 头部响应式 */
  .header-content {
    flex-direction: column;
    gap: 15px;
    padding: 15px 0;
  }
  
  .logo {
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .logo img {
    width: 152px;
    height: 64px;
    object-fit: contain;
  }
  
  .main-nav {
    width: 100%;
  }
  
  .nav-menu {
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    font-size: 14px;
    align-items: center;
  }
  
  .nav-menu a {
    padding: 6px 0;
  }
  
  .header-actions {
    width: 100%;
    justify-content: center;
  }
  
  /* Hero Banner 响应式 */
  .hero-banner {
    padding: 60px 0;
  }
  
  .hero-title {
    font-size: 28px;
    margin-bottom: 15px;
  }
  
  .hero-description {
    font-size: 16px;
    margin-bottom: 30px;
  }
  
  .hero-actions {
    flex-direction: column;
    gap: 15px;
    align-items: center;
  }
  
  .hero-btn {
    width: 200px;
    text-align: center;
  }
  
  /* 特色服务区域 */
  .features-section {
    padding: 50px 0;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 30px;
  }
  
  .feature-card {
    padding: 30px 20px;
  }
  
  .feature-icon {
    font-size: 36px;
    margin-bottom: 15px;
  }
  
  .feature-card h3 {
    font-size: 18px;
  }
  
  /* 数据统计区域 */
  .stats-section {
    padding: 50px 0;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
  }
  
  .stat-icon {
    font-size: 24px;
  }
  
  .stat-number {
    font-size: 32px;
  }
  
  .stat-label {
    font-size: 14px;
  }
  
  /* 分类区域 */
  .category-section {
    padding: 40px 0;
  }
  
  .category-grid {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 12px;
  }
  
  .category-card {
    padding: 25px 15px;
  }
  
  .category-icon {
    font-size: 20px;
  }
  
  .category-name {
    font-size: 13px;
  }
  
  /* 最新文章区域响应式 */
  .posts-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 18px;
  }
  
  .posts-grid .item-img {
    height: 120px;
  }
  
  .posts-grid .item-content {
    padding: 12px;
  }
  
  .posts-grid .item-title {
    font-size: 14px;
    margin-bottom: 6px;
  }
  
  .posts-grid .item-excerpt {
    font-size: 12px;
    margin-bottom: 12px;
  }
  
  .posts-grid .item-meta {
    font-size: 11px;
    gap: 10px;
  }
  
  /* 文章列表响应式 */
  .article-item {
    flex-direction: row;
    gap: 20px;
    padding: 20px 0;
  }
  
  .article-image {
    width: 100px;
    height: 70px;
  }
  
  .article-title {
    font-size: 16px;
  }
  
  .article-excerpt {
    font-size: 13px;
  }
  
  /* 侧边栏响应式 */
  .sidebar {
    padding: 20px;
  }
  
  .sidebar-section {
    margin-bottom: 30px;
  }
  
  /* 页脚响应式 */
  .footer {
    padding: 40px 0 20px;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 30px;
    margin-bottom: 30px;
  }
  
  .footer-section h3 {
    font-size: 16px;
    margin-bottom: 15px;
  }
  
  .footer-bottom {
    padding-top: 20px;
    font-size: 12px;
  }
  
  /* 分页响应式 */
  .pagination {
    gap: 5px;
    margin: 30px 0;
  }
  
  .page-link {
    padding: 6px 10px;
    font-size: 14px;
    min-width: 32px;
  }
  
  /* 合作伙伴响应式 */
  .partners-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  
  .partner-logo {
    max-width: 80px;
    height: 32px;
  }
  
  /* 标签页响应式 */
  .tab-nav {
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
  }
  
  .tab-item {
    padding: 10px 16px;
    font-size: 14px;
  }
  
  /* 返回顶部按钮响应式 */
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    font-size: 16px;
  }
  
  /* 面包屑响应式 */
  .breadcrumb {
    padding: 15px 0;
  }
  
  .breadcrumb-list {
    font-size: 12px;
    flex-wrap: wrap;
  }
}

/* 小屏幕移动设备 (max-width: 480px) */
@media screen and (max-width: 480px) {
  .container {
    padding: 0 10px;
  }
  
  /* 头部响应式 */
  .header-content {
    padding: 10px 0;
  }
  
  .logo {
    font-size: 18px;
  }
  
  .mobile-menu-toggle {
    font-size: 20px;
  }
  
  /* Hero Banner 响应式 */
  .hero-banner {
    padding: 40px 0;
  }
  
  .hero-title {
    font-size: 24px;
    margin-bottom: 10px;
  }
  
  .hero-description {
    font-size: 14px;
    margin-bottom: 20px;
  }
  
  .hero-btn {
    width: 160px;
    padding: 12px 20px;
    font-size: 14px;
  }
  
  /* 特色服务区域 */
  .features-section {
    padding: 40px 0;
  }
  
  .section-title {
    font-size: 24px;
    margin-bottom: 30px;
  }
  
  .features-grid {
    gap: 15px;
    margin-top: 30px;
  }
  
  .feature-card {
    padding: 25px 15px;
  }
  
  .feature-icon {
    font-size: 32px;
    margin-bottom: 12px;
  }
  
  .feature-card h3 {
    font-size: 16px;
    margin-bottom: 10px;
  }
  
  .feature-card p {
    font-size: 13px;
  }
  
  /* 数据统计区域 */
  .stats-section {
    padding: 40px 0;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .stat-item {
    padding: 15px;
  }
  
  .stat-icon {
    font-size: 20px;
    margin-bottom: 10px;
  }
  
  .stat-number {
    font-size: 28px;
    margin-bottom: 5px;
  }
  
  .stat-label {
    font-size: 12px;
  }
  
  /* 分类区域 */
  .category-section {
    padding: 30px 0;
  }
  
  .category-grid {
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 10px;
  }
  
  .category-card {
    padding: 15px 12px;
  }
  
  .category-icon {
    font-size: 18px;
    margin-bottom: 8px;
  }
  
  .category-name {
    font-size: 12px;
  }
  
  /* 最新文章小屏幕响应式 */
  .posts-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)) !important;
    gap: 12px !important;
  }
  
  .posts-grid .item-img {
    height: 100px !important;
  }
  
  .posts-grid .item-content {
    padding: 10px !important;
  }
  
  .posts-grid .item-title {
    font-size: 13px !important;
    margin-bottom: 5px !important;
  }
  
  .posts-grid .item-excerpt {
    font-size: 11px;
    margin-bottom: 10px;
  }
  
  .posts-grid .item-meta {
    font-size: 10px;
    gap: 8px;
  }
  
  /* 文章列表响应式 */
  .article-item {
    flex-direction: row;
    padding: 15px 0;
    gap: 12px;
  }
  
  .article-image {
    width: 60px;
    height: 45px;
  }
  
  .article-title {
    font-size: 15px;
    margin-bottom: 8px;
  }
  
  .article-excerpt {
    font-size: 12px;
    margin-bottom: 8px;
  }
  
  .article-meta {
    gap: 10px;
    font-size: 11px;
  }
  
  /* 侧边栏响应式 */
  .sidebar {
    padding: 15px;
  }
  
  .sidebar-title {
    font-size: 16px;
    margin-bottom: 15px;
  }
  
  .search-input {
    padding: 10px 40px 10px 12px;
    font-size: 13px;
  }
  
  .search-btn {
    padding: 6px 12px;
    font-size: 12px;
  }
  
  /* 热门文章响应式 */
  .hot-article-item {
    gap: 10px;
    padding: 12px 0;
  }
  
  .hot-article-rank {
    width: 20px;
    height: 20px;
    font-size: 10px;
  }
  
  .hot-article-title {
    font-size: 13px;
  }
  
  /* 标签云响应式 */
  .tag-cloud {
    gap: 6px;
  }
  
  .tag-item {
    padding: 4px 8px;
    font-size: 11px;
  }
  
  /* 页脚响应式 */
  .footer {
    padding: 30px 0 15px;
    margin-top: 50px;
  }
  
  .footer-section h3 {
    font-size: 14px;
    margin-bottom: 12px;
  }
  
  .footer-section p,
  .footer-section li {
    font-size: 12px;
    margin-bottom: 8px;
  }
  
  .footer-bottom {
    padding-top: 15px;
    font-size: 11px;
  }
  
  /* 分页响应式 */
  .pagination {
    gap: 3px;
    margin: 20px 0;
  }
  
  .page-link {
    padding: 5px 8px;
    font-size: 12px;
    min-width: 28px;
  }
  
  /* 合作伙伴响应式 */
  .partners-section {
    padding: 40px 0;
  }
  
  .partners-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }
  
  .partner-logo {
    max-width: 60px;
    height: 24px;
  }
  
  /* 标签页响应式 */
  .tab-item {
    padding: 8px 12px;
    font-size: 12px;
  }
  
  /* 返回顶部按钮响应式 */
  .back-to-top {
    bottom: 15px;
    right: 15px;
    width: 36px;
    height: 36px;
    font-size: 14px;
  }
  
  /* 面包屑响应式 */
  .breadcrumb {
    padding: 12px 0;
  }
  
  .breadcrumb-list {
    font-size: 11px;
  }
  
  .breadcrumb-separator {
    margin: 0 3px;
  }
}

/* 超大屏幕设备 (min-width: 1400px) */
@media screen and (min-width: 1400px) {
  .container {
    max-width: 1320px;
  }
  
  .hero-title {
    font-size: 56px;
  }
  
  .hero-description {
    font-size: 22px;
  }
  
  .section-title {
    font-size: 40px;
  }
  
  .feature-card {
    padding: 50px 40px;
  }
  
  .feature-icon {
    font-size: 56px;
  }
  
  .feature-card h3 {
    font-size: 24px;
  }
  
  .stat-number {
    font-size: 48px;
  }
  
  .stat-label {
    font-size: 18px;
  }
  
  /* 超大屏幕下的分类网格 */
  .category-grid {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 20px;
  }
  
  .category-card {
    padding: 25px 20px;
  }
}

/* 打印样式 */
@media print {
  .header,
  .footer,
  .sidebar,
  .back-to-top,
  .mobile-menu-toggle {
    display: none !important;
  }
  
  .hero-banner {
    background: none !important;
    color: black !important;
    padding: 20px 0 !important;
  }
  
  .container {
    max-width: 100% !important;
    padding: 0 !important;
  }
  
  body {
    font-size: 12pt !important;
    line-height: 1.5 !important;
  }
  
  .article-title {
    font-size: 16pt !important;
  }
  
  .article-excerpt {
    font-size: 10pt !important;
  }
}