/* 页面特有样式 */

/* 页面头部banner */
.page-header-banner {
  background: linear-gradient(135deg, #D50036 0%, #FF1744 100%);
  padding: 40px 0;
  text-align: center;
  color: white;
  margin-bottom: 32px;
}

.page-header-banner h1 {
  font-size: 32px;
  font-weight: bold;
  margin-bottom: 8px;
}

.page-header-banner p {
  opacity: 0.9;
}

/* 筛选栏 */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.filter-options {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-option {
  padding: 10px 16px;
  background: white;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
}

.filter-option:hover,
.filter-option.active {
  background: var(--primary-red);
  color: white;
  border-color: var(--primary-red);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-label {
  font-size: 14px;
  color: var(--gray-medium);
}

.filter-select {
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 14px;
}

/* 产品网格 */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.product-card {
  background: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.product-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.product-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

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

.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--primary-red);
  color: white;
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 12px;
}

.product-info {
  padding: 20px;
}

.product-name {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 12px;
  color: var(--gray-dark);
}

.product-price-section {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 12px;
}

.product-price-label {
  font-size: 14px;
  color: var(--gray-medium);
}

.product-price {
  font-size: 28px;
  font-weight: bold;
  color: var(--primary-red);
}

.product-price-unit {
  font-size: 14px;
  color: var(--gray-light);
}

.product-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.product-feature {
  padding: 4px 12px;
  background: var(--gray-lighter);
  border-radius: 4px;
  font-size: 12px;
  color: var(--gray-medium);
}

.product-specs {
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
  margin-bottom: 16px;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 14px;
}

.spec-label {
  color: var(--gray-light);
}

.spec-value {
  color: var(--gray-dark);
  font-weight: 500;
}

.product-actions {
  display: flex;
  gap: 12px;
}

.btn-detail,
.btn-appointment {
  flex: 1;
  padding: 10px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.btn-detail {
  background: white;
  border: 1px solid var(--primary-red);
  color: var(--primary-red);
}

.btn-detail:hover {
  background: var(--primary-red-light);
}

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

.btn-appointment:hover {
  background: var(--primary-red-dark);
}

/* 关于页面 */
.about-page {
  padding: 32px 0;
}

.about-header {
  text-align: center;
  margin-bottom: 48px;
}

.about-title {
  font-size: 36px;
  font-weight: bold;
  color: var(--gray-dark);
  margin-bottom: 12px;
}

.about-subtitle {
  font-size: 16px;
  color: var(--gray-medium);
}

.about-section {
  background: white;
  padding: 32px;
  border-radius: 8px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-card);
}

.about-section .section-title {
  font-size: 24px;
  font-weight: bold;
  color: var(--gray-dark);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary-red);
}

.about-content {
  font-size: 16px;
  line-height: 1.8;
  color: var(--gray-medium);
}

.about-content p {
  margin-bottom: 16px;
}

.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-color);
}

.timeline-item {
  position: relative;
  margin-bottom: 32px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -34px;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary-red);
  border: 3px solid white;
  box-shadow: 0 0 0 2px var(--primary-red);
}

.timeline-year {
  font-size: 18px;
  font-weight: bold;
  color: var(--gray-dark);
  margin-bottom: 8px;
}

.timeline-content {
  font-size: 14px;
  color: var(--gray-medium);
  line-height: 1.6;
}

.vision-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.vision-item {
  text-align: center;
  padding: 24px;
  background: var(--gray-lighter);
  border-radius: 8px;
}

.vision-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.vision-item h4 {
  font-size: 16px;
  font-weight: bold;
  color: var(--gray-dark);
  margin-bottom: 8px;
}

.vision-item p {
  font-size: 14px;
  color: var(--gray-medium);
}

.company-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}

.info-item {
  padding: 16px;
  background: var(--gray-lighter);
  border-radius: 8px;
}

.info-item h4 {
  font-size: 14px;
  color: var(--gray-light);
  margin-bottom: 8px;
}

.info-item p {
  font-size: 16px;
  color: var(--gray-dark);
  font-weight: 500;
}

/* 新闻页面 */
.news-page {
  padding: 32px 0;
}

.news-header {
  text-align: center;
  margin-bottom: 48px;
}

.news-title {
  font-size: 36px;
  font-weight: bold;
  color: var(--gray-dark);
  margin-bottom: 12px;
}

.news-subtitle {
  font-size: 16px;
  color: var(--gray-medium);
}

.news-container {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
}

.news-main {
  display: flex;
  flex-direction: column;
}

.category-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.category-tab {
  padding: 10px 20px;
  background: white;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
}

.category-tab:hover,
.category-tab.active {
  background: var(--primary-red);
  color: white;
  border-color: var(--primary-red);
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.news-item {
  display: flex;
  gap: 20px;
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.news-item:hover {
  box-shadow: var(--shadow-hover);
}

.news-item-image {
  width: 200px;
  height: 120px;
  border-radius: 6px;
  overflow: hidden;
  flex-shrink: 0;
}

.news-item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-item-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.news-item-title {
  font-size: 18px;
  font-weight: bold;
  color: var(--gray-dark);
  margin-bottom: 12px;
  line-height: 1.4;
}

.news-item-title:hover {
  color: var(--primary-red);
}

.news-item-summary {
  font-size: 14px;
  color: var(--gray-medium);
  line-height: 1.6;
  margin-bottom: 12px;
  flex: 1;
}

.news-item-meta {
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: var(--gray-light);
}

.news-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-section {
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: var(--shadow-card);
}

.sidebar-title {
  font-size: 18px;
  font-weight: bold;
  color: var(--gray-dark);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary-red);
}

.hot-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hot-tag {
  padding: 6px 14px;
  background: var(--gray-lighter);
  border-radius: 4px;
  font-size: 13px;
  color: var(--gray-medium);
  cursor: pointer;
  transition: var(--transition);
}

.hot-tag:hover {
  background: var(--primary-red);
  color: white;
}

.hot-news-list,
.latest-news-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hot-news-item,
.latest-news-item {
  display: flex;
  gap: 12px;
}

.hot-news-item-image,
.latest-news-item-image {
  width: 80px;
  height: 60px;
  border-radius: 4px;
  overflow: hidden;
  flex-shrink: 0;
}

.hot-news-item-image img,
.latest-news-item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hot-news-item-content,
.latest-news-item-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hot-news-item-title,
.latest-news-item-title {
  font-size: 14px;
  color: var(--gray-dark);
  line-height: 1.4;
}

.hot-news-item-title:hover,
.latest-news-item-title:hover {
  color: var(--primary-red);
}

.hot-news-item-date,
.latest-news-item-date {
  font-size: 12px;
  color: var(--gray-light);
  margin-top: 4px;
}

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-top: 40px;
}

.page-link {
  padding: 8px 16px;
  background: white;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
}

.page-link:hover,
.page-link.active {
  background: var(--primary-red);
  color: white;
  border-color: var(--primary-red);
}

.page-link.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* 新闻详情页面 */
.news-detail-page {
  padding: 32px 0;
}

.news-detail-container {
  max-width: 800px;
  margin: 0 auto;
}

.news-detail-header {
  text-align: center;
  margin-bottom: 32px;
}

.news-detail-title {
  font-size: 32px;
  font-weight: bold;
  color: var(--gray-dark);
  margin-bottom: 16px;
  line-height: 1.4;
}

.news-detail-meta {
  display: flex;
  justify-content: center;
  gap: 20px;
  font-size: 14px;
  color: var(--gray-light);
}

.news-detail-content {
  background: white;
  padding: 40px;
  border-radius: 8px;
  box-shadow: var(--shadow-card);
}

.news-detail-content img {
  max-width: 100%;
  height: auto;
  margin: 20px 0;
  border-radius: 8px;
}

.news-detail-content p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--gray-medium);
  margin-bottom: 16px;
}

.news-detail-content h2,
.news-detail-content h3 {
  color: var(--gray-dark);
  margin: 24px 0 12px;
}

.news-detail-content h2 {
  font-size: 22px;
}

.news-detail-content h3 {
  font-size: 18px;
}

.news-detail-content ul,
.news-detail-content ol {
  padding-left: 24px;
  margin-bottom: 16px;
}

.news-detail-content li {
  font-size: 16px;
  line-height: 1.8;
  color: var(--gray-medium);
  margin-bottom: 8px;
}

.news-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

.news-tag {
  padding: 6px 14px;
  background: var(--gray-lighter);
  border-radius: 4px;
  font-size: 13px;
  color: var(--gray-medium);
}

.news-navigation {
  display: flex;
  justify-content: space-between;
  margin-top: 32px;
  padding: 20px;
  background: white;
  border-radius: 8px;
  box-shadow: var(--shadow-card);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--gray-medium);
  transition: var(--transition);
}

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

/* 活动页面 */
.promotions-page {
  padding: 32px 0;
}

.promotions-header {
  text-align: center;
  margin-bottom: 48px;
}

.promotions-title {
  font-size: 36px;
  font-weight: bold;
  color: var(--gray-dark);
  margin-bottom: 12px;
}

.promotions-subtitle {
  font-size: 16px;
  color: var(--gray-medium);
}

.activity-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.activity-card {
  background: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.activity-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.activity-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

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

.activity-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--primary-red);
  color: white;
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 12px;
}

.activity-content {
  padding: 20px;
}

.activity-name {
  font-size: 20px;
  font-weight: bold;
  color: var(--gray-dark);
  margin-bottom: 12px;
}

.activity-description {
  font-size: 14px;
  color: var(--gray-medium);
  line-height: 1.6;
  margin-bottom: 12px;
}

.activity-date {
  font-size: 13px;
  color: var(--gray-light);
  margin-bottom: 16px;
}

.activity-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 16px;
}

.activity-price-value {
  font-size: 24px;
  font-weight: bold;
  color: var(--primary-red);
}

.activity-price-unit {
  font-size: 14px;
  color: var(--gray-light);
}

.activity-action {
  display: block;
  width: 100%;
  padding: 12px;
  background: var(--primary-red);
  color: white;
  border-radius: 6px;
  text-align: center;
  font-weight: 500;
  transition: var(--transition);
}

.activity-action:hover {
  background: var(--primary-red-dark);
}

/* 活动详情页面 */
.promotion-detail-page {
  padding: 32px 0;
}

.promotion-detail-container {
  max-width: 900px;
  margin: 0 auto;
}

.promotion-detail-banner {
  position: relative;
  height: 300px;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 32px;
}

.promotion-detail-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.promotion-detail-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.5), rgba(0,0,0,0.7));
}

.promotion-detail-banner-content {
  position: absolute;
  bottom: 40px;
  left: 40px;
  color: white;
}

.promotion-detail-subtitle {
  font-size: 14px;
  opacity: 0.9;
  margin-bottom: 8px;
}

.promotion-detail-title {
  font-size: 36px;
  font-weight: bold;
  margin-bottom: 12px;
}

.promotion-detail-price {
  font-size: 20px;
  font-weight: bold;
  color: #FFD700;
}

.promotion-detail-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.info-card {
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: var(--shadow-card);
  text-align: center;
}

.info-card-icon {
  font-size: 32px;
  margin-bottom: 12px;
}

.info-card-label {
  font-size: 14px;
  color: var(--gray-light);
  margin-bottom: 8px;
}

.info-card-value {
  font-size: 18px;
  font-weight: bold;
  color: var(--gray-dark);
}

.promotion-detail-content {
  background: white;
  padding: 40px;
  border-radius: 8px;
  box-shadow: var(--shadow-card);
}

.promotion-detail-content h2 {
  font-size: 24px;
  font-weight: bold;
  color: var(--gray-dark);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary-red);
}

.promotion-detail-content p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--gray-medium);
  margin-bottom: 16px;
}

.promotion-detail-content ul {
  padding-left: 24px;
  margin-bottom: 16px;
}

.promotion-detail-content li {
  font-size: 16px;
  line-height: 1.8;
  color: var(--gray-medium);
  margin-bottom: 8px;
}

.promotion-detail-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.gallery-item {
  height: 150px;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
}

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

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

.promotion-detail-action {
  text-align: center;
  margin-top: 32px;
}

.promotion-detail-btn {
  display: inline-block;
  padding: 16px 48px;
  background: var(--primary-red);
  color: white;
  border-radius: 6px;
  font-size: 18px;
  font-weight: bold;
  transition: var(--transition);
}

.promotion-detail-btn:hover {
  background: var(--primary-red-dark);
}

/* 号卡页面 */
.phones-page {
  padding: 32px 0;
}

.phones-header {
  text-align: center;
  margin-bottom: 48px;
}

.phones-title {
  font-size: 36px;
  font-weight: bold;
  color: var(--gray-dark);
  margin-bottom: 12px;
}

.phones-subtitle {
  font-size: 16px;
  color: var(--gray-medium);
}

.phones-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.phone-card {
  background: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.phone-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.phone-card-header {
  position: relative;
  padding: 20px;
  text-align: center;
}

.phone-card-icon {
  font-size: 48px;
  margin-bottom: 12px;
}

.phone-card-name {
  font-size: 20px;
  font-weight: bold;
  color: var(--gray-dark);
}

.phone-card-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: bold;
}

.phone-card-badge.hot {
  background: var(--primary-red);
  color: white;
}

.phone-card-badge.new {
  background: #4CAF50;
  color: white;
}

.phone-card-body {
  padding: 20px;
}

.phone-card-price {
  text-align: center;
  margin-bottom: 20px;
}

.phone-card-price-value {
  font-size: 32px;
  font-weight: bold;
  color: var(--primary-red);
}

.phone-card-price-unit {
  font-size: 14px;
  color: var(--gray-light);
}

.phone-card-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.phone-card-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--gray-medium);
}

.phone-card-feature-icon {
  width: 24px;
  height: 24px;
  background: var(--gray-lighter);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}

.phone-card-action {
  display: block;
  width: 100%;
  padding: 12px;
  background: var(--primary-red);
  color: white;
  border-radius: 6px;
  text-align: center;
  font-weight: 500;
  transition: var(--transition);
}

.phone-card-action:hover {
  background: var(--primary-red-dark);
}

/* 产品详情页面 */
.product-detail-page {
  padding: 32px 0;
}

.product-detail-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.product-detail-images {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.product-main-image {
  height: 400px;
  border-radius: 8px;
  overflow: hidden;
  background: white;
}

.product-main-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-thumbnails {
  display: flex;
  gap: 12px;
}

.product-thumbnail {
  width: 80px;
  height: 80px;
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
}

.product-thumbnail:hover,
.product-thumbnail.active {
  border-color: var(--primary-red);
}

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

.product-detail-info {
  display: flex;
  flex-direction: column;
}

.product-detail-title {
  font-size: 28px;
  font-weight: bold;
  color: var(--gray-dark);
  margin-bottom: 16px;
}

.product-detail-price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 24px;
}

.product-detail-price-value {
  font-size: 36px;
  font-weight: bold;
  color: var(--primary-red);
}

.product-detail-price-unit {
  font-size: 16px;
  color: var(--gray-light);
}

.product-detail-specs {
  background: var(--gray-lighter);
  padding: 20px;
  border-radius: 8px;
  margin-bottom: 24px;
}

.product-detail-specs h3 {
  font-size: 16px;
  font-weight: bold;
  color: var(--gray-dark);
  margin-bottom: 16px;
}

.product-spec-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.product-spec-item {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 14px;
}

.product-spec-label {
  color: var(--gray-light);
}

.product-spec-value {
  color: var(--gray-dark);
  font-weight: 500;
}

.product-detail-features {
  margin-bottom: 24px;
}

.product-detail-features h3 {
  font-size: 16px;
  font-weight: bold;
  color: var(--gray-dark);
  margin-bottom: 16px;
}

.product-feature-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.product-feature-tag {
  padding: 8px 16px;
  background: var(--primary-red-light);
  color: var(--primary-red);
  border-radius: 4px;
  font-size: 14px;
}

.product-detail-actions {
  display: flex;
  gap: 16px;
  margin-top: auto;
}

.product-detail-btn {
  flex: 1;
  padding: 14px;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.product-detail-btn-primary {
  background: var(--primary-red);
  color: white;
}

.product-detail-btn-primary:hover {
  background: var(--primary-red-dark);
}

.product-detail-btn-secondary {
  background: white;
  border: 1px solid var(--primary-red);
  color: var(--primary-red);
}

.product-detail-btn-secondary:hover {
  background: var(--primary-red-light);
}

.product-detail-share {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

.share-label {
  font-size: 14px;
  color: var(--gray-light);
}

.share-icons {
  display: flex;
  gap: 12px;
}

.share-icon {
  width: 36px;
  height: 36px;
  background: var(--gray-lighter);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.share-icon:hover {
  background: var(--primary-red);
  color: white;
}

.product-detail-description {
  margin-top: 48px;
  background: white;
  padding: 40px;
  border-radius: 8px;
  box-shadow: var(--shadow-card);
}

.product-detail-description h2 {
  font-size: 24px;
  font-weight: bold;
  color: var(--gray-dark);
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary-red);
}

.product-detail-description p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--gray-medium);
  margin-bottom: 16px;
}

/* 用户中心页面 */
.center-page {
  padding: 32px 0;
}

.center-container {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 32px;
}

.center-sidebar {
  background: white;
  border-radius: 8px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.center-user-info {
  padding: 32px 20px;
  text-align: center;
  background: linear-gradient(135deg, var(--primary-red) 0%, #FF1744 100%);
  color: white;
}

.center-user-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin: 0 auto 16px;
}

.center-user-name {
  font-size: 20px;
  font-weight: bold;
  margin-bottom: 8px;
}

.center-user-phone {
  font-size: 14px;
  opacity: 0.9;
}

.center-menu {
  padding: 16px 0;
}

.center-menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  font-size: 14px;
  color: var(--gray-medium);
  cursor: pointer;
  transition: var(--transition);
}

.center-menu-item:hover {
  background: var(--gray-lighter);
  color: var(--primary-red);
}

.center-menu-item.active {
  background: var(--primary-red-light);
  color: var(--primary-red);
  font-weight: 500;
}

.center-main {
  background: white;
  border-radius: 8px;
  box-shadow: var(--shadow-card);
  padding: 32px;
}

.center-main-title {
  font-size: 20px;
  font-weight: bold;
  color: var(--gray-dark);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

.user-info-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-dark);
}

.form-group input,
.form-group select {
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 14px;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-red);
}

.form-actions {
  display: flex;
  gap: 16px;
  margin-top: 32px;
  grid-column: 1 / -1;
}

.form-btn {
  padding: 12px 32px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

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

.form-btn-primary:hover {
  background: var(--primary-red-dark);
}

.form-btn-secondary {
  background: var(--gray-lighter);
  color: var(--gray-dark);
}

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

/* 联系页面 */
.contact-page {
  padding: 32px 0;
}

.contact-container {
  max-width: 800px;
  margin: 0 auto;
}

.contact-header {
  text-align: center;
  margin-bottom: 48px;
}

.contact-title {
  font-size: 36px;
  font-weight: bold;
  color: var(--gray-dark);
  margin-bottom: 12px;
}

.contact-subtitle {
  font-size: 16px;
  color: var(--gray-medium);
}

.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.contact-info-card {
  background: white;
  padding: 24px;
  border-radius: 8px;
  box-shadow: var(--shadow-card);
  text-align: center;
}

.contact-info-icon {
  width: 56px;
  height: 56px;
  background: var(--primary-red-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.contact-info-icon img {
  width: 24px;
  height: 24px;
}

.contact-info-title {
  font-size: 16px;
  font-weight: bold;
  color: var(--gray-dark);
  margin-bottom: 8px;
}

.contact-info-content {
  font-size: 14px;
  color: var(--gray-medium);
}

.contact-form-container {
  background: white;
  padding: 40px;
  border-radius: 8px;
  box-shadow: var(--shadow-card);
}

.contact-form-container h2 {
  font-size: 24px;
  font-weight: bold;
  color: var(--gray-dark);
  margin-bottom: 32px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-form input,
.contact-form textarea {
  padding: 14px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 14px;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--primary-red);
}

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

.contact-form button {
  align-self: flex-start;
  padding: 14px 48px;
  background: var(--primary-red);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.contact-form button:hover {
  background: var(--primary-red-dark);
}

/* 帮助中心页面 */
.faq-page {
  padding: 32px 0;
}

.faq-container {
  max-width: 900px;
  margin: 0 auto;
}

.faq-header {
  text-align: center;
  margin-bottom: 48px;
}

.faq-title {
  font-size: 36px;
  font-weight: bold;
  color: var(--gray-dark);
  margin-bottom: 12px;
}

.faq-subtitle {
  font-size: 16px;
  color: var(--gray-medium);
}

.faq-categories {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.faq-category {
  padding: 12px 24px;
  background: white;
  border: 1px solid var(--border-color);
  border-radius: 24px;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
}

.faq-category:hover,
.faq-category.active {
  background: var(--primary-red);
  color: white;
  border-color: var(--primary-red);
}

.faq-list {
  background: white;
  border-radius: 8px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.faq-item {
  border-bottom: 1px solid var(--border-color);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px;
  font-size: 16px;
  font-weight: 500;
  color: var(--gray-dark);
  cursor: pointer;
  transition: var(--transition);
}

.faq-question:hover {
  background: var(--gray-lighter);
}

.faq-question.active {
  background: var(--primary-red-light);
  color: var(--primary-red);
}

.faq-arrow {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  transition: var(--transition);
}

.faq-question.active .faq-arrow {
  background: var(--primary-red);
  color: white;
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer.active {
  padding: 0 20px 20px;
  max-height: 500px;
}

.faq-answer p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--gray-medium);
}

/* 响应式媒体查询 */
@media (max-width: 1024px) {
  .news-container {
    grid-template-columns: 1fr;
  }
  
  .product-detail-container {
    grid-template-columns: 1fr;
  }
  
  .center-container {
    grid-template-columns: 1fr;
  }
  
  .center-sidebar {
    order: 2;
  }
  
  .center-main {
    order: 1;
  }
}

@media (max-width: 768px) {
  .news-item {
    flex-direction: column;
  }
  
  .news-item-image {
    width: 100%;
    height: 180px;
  }
  
  .filter-bar {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .products-grid,
  .phones-grid,
  .activity-grid {
    grid-template-columns: 1fr;
  }
  
  .user-info-form {
    grid-template-columns: 1fr;
  }
  
  .product-detail-images {
    align-items: center;
  }
  
  .product-main-image {
    width: 100%;
    height: auto;
  }
  
  .contact-info {
    grid-template-columns: 1fr;
  }
}