/* ============================================
   内页专用样式 (Inner Pages CSS)
   适用于: products.html, about.html, contact.html, product-detail.html
   ============================================ */

/* --- 内页 Banner --- */
.page-banner {
  position: relative;
  height: 450px;
  margin-top: 85px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.page-banner-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.page-banner-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(26, 26, 26, 0.65) 0%, rgba(26, 26, 26, 0.45) 100%);
}

.page-banner-content {
  position: relative;
  z-index: 10;
  text-align: center;
  color: var(--color-white);
}

.page-banner-content .section-tag {
  display: block;
  margin-bottom: 16px;
}

.page-banner-title {
  font-family: var(--font-serif);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 400;
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

.page-banner-content .title-divider {
  margin: 0 auto;
}

@media (max-width: 768px) {
  .page-banner {
    height: 350px;
  }
}

/* --- 面包屑导航 --- */
.breadcrumb-section {
  margin-top: 85px;
  padding: 20px 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-light);
}

.breadcrumb a {
  color: var(--color-text-light);
  text-decoration: none;
  transition: color 0.3s ease;
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb-sep {
  color: var(--color-border);
  font-size: 12px;
}

.breadcrumb-current {
  color: var(--color-primary);
  font-weight: 500;
}

.search-result-info {
  margin-bottom: 20px;
  padding: 12px 20px;
  background: rgba(var(--accent-rgb, 183, 110, 42), 0.08);
  border-left: 3px solid var(--accent, #b76e2a);
  border-radius: 4px;
  font-size: 14px;
  color: var(--color-text, #333);
  display: flex;
  align-items: center;
  gap: 8px;
}

.search-result-info strong {
  color: var(--accent, #b76e2a);
}

/* --- 产品分类筛选 --- */
.filter-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 16px;
}

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

.age-filter-select-wrapper {
  position: relative;
}

.age-filter-select {
  appearance: none;
  -webkit-appearance: none;
  padding: 10px 40px 10px 20px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: var(--color-text);
  cursor: pointer;
  transition: var(--transition);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  min-width: 180px;
}

.age-filter-select:hover,
.age-filter-select:focus {
  border-color: var(--color-primary);
  outline: none;
}

.age-filter-select option {
  padding: 8px 12px;
  font-size: 13px;
}

.filter-btn {
  padding: 10px 28px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1px;
  color: var(--color-text);
  cursor: pointer;
  transition: var(--transition);
}

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

/* --- 产品网格 (内页) --- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 60px;
}

@media (max-width: 1200px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

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

/* --- 分页器 --- */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
}

.page-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  transition: var(--transition);
}

.page-btn:hover:not(:disabled) {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.page-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.page-dots {
  font-size: 14px;
  color: var(--color-text-light);
  padding: 0 4px;
}

/* --- 数据统计板块 --- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

/* --- 发展历程时间线 --- */
.section-timeline {
  background: var(--color-bg);
  overflow: hidden;
}

.timeline {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 60px 0 0;
  gap: 20px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 65px;
  height: 1px;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  flex: 1;
  text-align: center;
  padding-top: 40px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 50%;
  top: -5px;
  transform: translateX(-50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 2px solid var(--color-bg);
  box-shadow: 0 0 0 2px var(--color-primary);
}

.timeline-year {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.timeline-content h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 500;
  color: var(--color-dark);
  margin-bottom: 10px;
}

.timeline-content p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.8;
  max-width: 200px;
  margin: 0 auto;
}

@media (max-width: 1024px) {
  .timeline {
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
  }

  .timeline::before {
    display: none;
  }

  .timeline-item {
    flex: 0 0 calc(33.333% - 20px);
    padding-top: 0;
  }

  .timeline-item::before {
    display: none;
  }

  .timeline-content p {
    max-width: none;
  }
}

@media (max-width: 768px) {
  .timeline {
    gap: 24px;
  }

  .timeline-item {
    flex: 0 0 calc(50% - 12px);
  }

  .timeline-year {
    font-size: 22px;
  }

  .timeline-content h3 {
    font-size: 17px;
  }

  .timeline-content p {
    font-size: 13px;
  }
}

/* --- 特性展示板块 --- */
.section-features {
  background: var(--color-bg-alt);
  padding: 80px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.feature-item {
  text-align: left;
  padding: 30px 20px;
}

.feature-icon {
  width: 56px;
  height: 56px;
  margin-bottom: 20px;
  color: #c8a84e;
}

.feature-icon svg {
  width: 100%;
  height: 100%;
}

.feature-item h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 500;
  color: var(--color-dark);
  margin-bottom: 14px;
}

.feature-item p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.8;
}

@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .feature-item {
    padding: 20px 10px;
  }

  .feature-item h3 {
    font-size: 20px;
  }
}

/* --- 图片滚动展示 --- */
.section-gallery {
  background: var(--color-bg);
  padding: 80px 0 60px;
  overflow: hidden;
}

.section-gallery .section-header {
  text-align: center;
  margin-bottom: 40px;
}

.gallery-scroll-wrapper {
  overflow: hidden;
  position: relative;
  width: 100%;
}

.gallery-scroll-wrapper::before,
.gallery-scroll-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 80px;
  z-index: 2;
  pointer-events: none;
}

.gallery-scroll-wrapper::before {
  left: 0;
  background: linear-gradient(to right, var(--color-bg) 0%, transparent 100%);
}

.gallery-scroll-wrapper::after {
  right: 0;
  background: linear-gradient(to left, var(--color-bg) 0%, transparent 100%);
}

.gallery-scroll-track {
  display: flex;
  gap: 24px;
  animation: galleryScroll 30s linear infinite;
  width: max-content;
}

.gallery-scroll-track:hover {
  animation-play-state: paused;
}

@keyframes galleryScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.gallery-item {
  flex-shrink: 0;
  width: 600px;
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  background: var(--color-bg-alt);
}

.gallery-item img {
  width: 100%;
  height: 413px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

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

.gallery-item-title {
  display: block;
  padding: 14px 16px;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 500;
  color: var(--color-dark);
  text-align: center;
}

@media (max-width: 768px) {
  .gallery-item {
    width: 400px;
  }

  .gallery-item img {
    height: 275px;
  }

  .gallery-scroll-track {
    gap: 16px;
  }

  .gallery-scroll-wrapper::before,
  .gallery-scroll-wrapper::after {
    width: 40px;
  }
}

/* --- 地图区域 --- */
.section-map {
  background: var(--color-bg-alt);
}

.map-wrapper {
  max-width: 1000px;
  margin: 0 auto;
}

.map-placeholder {
  width: 100%;
  height: 400px;
  background: var(--color-white);
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--color-text-light);
  border: 1px solid var(--color-border);
}

.map-placeholder svg {
  color: var(--color-primary);
  opacity: 0.5;
}

.map-placeholder p {
  font-family: var(--font-serif);
  font-size: 20px;
  color: var(--color-text);
}

.map-placeholder span {
  font-size: 14px;
}

@media (max-width: 768px) {
  .map-placeholder {
    height: 280px;
  }
}

/* --- 产品详情页 --- */
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.product-gallery {
  position: sticky;
  top: 120px;
}

.product-main-image {
  width: 100%;
  aspect-ratio: 3/4;
  overflow: hidden;
  border-radius: 4px;
  background: var(--color-bg-alt);
  margin-bottom: 16px;
}

.product-main-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.product-main-image:hover img {
  transform: scale(1.03);
}

.product-thumbnails {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.thumbnail {
  aspect-ratio: 3/4;
  overflow: hidden;
  border-radius: 4px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  background: var(--color-bg-alt);
  padding: 0;
}

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

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

.product-info-panel {
  padding-top: 20px;
}

.product-category-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.product-detail-title {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 400;
  color: var(--color-dark);
  line-height: 1.2;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.product-detail-code {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 8px;
}

.product-detail-age {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 24px;
}

.product-detail-divider {
  width: 60px;
  height: 1px;
  background: var(--color-primary);
  margin-bottom: 28px;
}

.product-detail-desc {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.85;
  margin-bottom: 36px;
}

/* 产品规格 */
.product-specs {
  margin-bottom: 36px;
}

.spec-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
  align-items: center;
}

.spec-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-dark);
  letter-spacing: 0.5px;
}

.spec-value {
  font-size: 15px;
  color: var(--color-text);
}

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

.spec-option {
  padding: 8px 18px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--color-text);
  cursor: pointer;
  transition: var(--transition);
}

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

.color-option {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  padding: 0;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
}

.color-option:hover,
.color-option.active {
  border-color: var(--color-primary);
  transform: scale(1.1);
}

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

.spec-tag {
  padding: 6px 14px;
  background: var(--color-bg-alt);
  border-radius: 20px;
  font-size: 12px;
  color: var(--color-text-light);
  letter-spacing: 0.5px;
}

/* 产品操作按钮 */
.product-actions {
  display: flex;
  gap: 16px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 40px;
  background: var(--color-primary);
  border: 1px solid var(--color-primary);
  color: var(--color-white);
  text-decoration: none;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  border-radius: 4px;
  transition: var(--transition);
}

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

.btn-primary svg {
  transition: transform 0.3s ease;
}

.btn-primary:hover svg {
  transform: translateX(4px);
}

@media (max-width: 1024px) {
  .product-detail-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .product-gallery {
    position: static;
  }
}

@media (max-width: 768px) {
  .product-detail-title {
    font-size: 28px;
  }

  .product-actions {
    flex-direction: column;
  }

  .btn-primary,
  .btn-outline {
    text-align: center;
    justify-content: center;
  }

  .spec-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

/* --- 产品详情Tab --- */
.section-product-tabs {
  background: var(--color-bg);
}

.product-tabs {
  max-width: 900px;
  margin: 0 auto;
}

.tab-headers {
  display: flex;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 40px;
}

.tab-btn {
  padding: 16px 32px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 1px;
  color: var(--color-text-light);
  cursor: pointer;
  transition: var(--transition);
}

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

.tab-btn.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.tab-content-inner h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 500;
  color: var(--color-dark);
  margin-bottom: 12px;
  margin-top: 28px;
}

.tab-content-inner h3:first-child {
  margin-top: 0;
}

.tab-content-inner p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.85;
  margin-bottom: 16px;
}

/* 尺码表 */
.size-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}

.size-table th,
.size-table td {
  padding: 14px 16px;
  text-align: center;
  border: 1px solid var(--color-border);
  font-size: 14px;
}

.size-table th {
  background: var(--color-bg-alt);
  font-weight: 600;
  color: var(--color-dark);
  font-size: 13px;
  letter-spacing: 0.5px;
}

.size-table td {
  color: var(--color-text);
}

.size-table tbody tr:hover td {
  background: var(--color-bg);
}

.size-note {
  font-size: 13px;
  color: var(--color-text-light);
  font-style: italic;
  margin-top: 12px;
}

/* 洗护列表 */
.care-list {
  list-style: none;
  padding: 0;
}

.care-list li {
  position: relative;
  padding: 10px 0 10px 24px;
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.7;
  border-bottom: 1px solid var(--color-border);
}

.care-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 18px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  opacity: 0.6;
}

.care-list li:last-child {
  border-bottom: none;
}

@media (max-width: 768px) {
  .tab-btn {
    padding: 12px 16px;
    font-size: 13px;
  }

  .size-table th,
  .size-table td {
    padding: 10px 8px;
    font-size: 13px;
  }
}

/* --- 相关推荐 --- */
.section-related {
  background: var(--color-bg-alt);
}