/* ========================================
   奢侈品配件 - 产品规格风格样式
   主色调: #607d8b
   ======================================== */

/* CSS 变量 */
:root {
  --accent-color: #607d8b;
  --accent-dark: #455a64;
  --accent-light: #90a4ae;
  --text-primary: #333;
  --text-secondary: #666;
  --text-muted: #999;
  --bg-primary: #fff;
  --bg-secondary: #f5f5f5;
  --bg-dark: #263238;
  --border-color: #e0e0e0;
  --shadow: 0 2px 8px rgba(0,0,0,0.1);
  --shadow-hover: 0 4px 16px rgba(0,0,0,0.15);
  --radius: 4px;
  --max-width: 1200px;
  --header-height: 60px;
}

/* 重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--accent-dark);
}

img {
  max-width: 100%;
  height: auto;
}

/* ========================================
   布局容器
   ======================================== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ========================================
   页头
   ======================================== */
.header {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--accent-color);
}

.logo span {
  color: var(--text-primary);
}

.nav {
  display: flex;
  gap: 30px;
}

.nav a {
  color: var(--text-secondary);
  font-weight: 500;
}

.nav a:hover,
.nav a.active {
  color: var(--accent-color);
}

.search-box {
  display: flex;
  align-items: center;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  padding: 6px 12px;
}

.search-box input {
  border: none;
  background: transparent;
  outline: none;
  width: 180px;
  font-size: 13px;
}

.search-box button {
  border: none;
  background: none;
  cursor: pointer;
  color: var(--text-muted);
}

/* ========================================
   Hero 区域
   ======================================== */
.hero {
  background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-dark) 100%);
  color: #fff;
  padding: 60px 0;
  text-align: center;
}

.hero h1 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 16px;
}

.hero p {
  font-size: 16px;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
}

/* ========================================
   区块标题
   ======================================== */
.section-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--accent-color);
  display: inline-block;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.view-more {
  font-size: 13px;
  color: var(--accent-color);
}

/* ========================================
   卡片组件
   ======================================== */
.card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 20px;
  transition: box-shadow 0.2s;
}

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

.card-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
}

.card-meta {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.card-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ========================================
   产品规格卡片
   ======================================== */
.spec-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 24px;
  transition: all 0.2s;
}

.spec-card:hover {
  border-color: var(--accent-color);
  box-shadow: var(--shadow);
}

.spec-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}

.spec-card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.spec-card-badge {
  background: var(--accent-color);
  color: #fff;
  font-size: 11px;
  padding: 4px 8px;
  border-radius: var(--radius);
}

.spec-card-specs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.spec-item {
  font-size: 13px;
  color: var(--text-secondary);
}

.spec-item strong {
  color: var(--text-primary);
  display: block;
  font-size: 12px;
  margin-bottom: 2px;
}

.spec-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.spec-card-price {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent-color);
}

.btn {
  display: inline-block;
  padding: 8px 20px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

.btn-primary {
  background: var(--accent-color);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-dark);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--accent-color);
  border: 1px solid var(--accent-color);
}

.btn-outline:hover {
  background: var(--accent-color);
  color: #fff;
}

/* ========================================
   分类网格
   ======================================== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.category-item {
  background: var(--bg-secondary);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: all 0.2s;
}

.category-item:hover {
  background: var(--accent-color);
  color: #fff;
}

.category-item:hover .category-name {
  color: #fff;
}

.category-item:hover .category-count {
  color: rgba(255,255,255,0.8);
}

.category-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-light);
  border-radius: 50%;
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.category-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.category-count {
  font-size: 12px;
  color: var(--text-muted);
}

/* ========================================
   产品列表
   ======================================== */
.product-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.product-item {
  display: flex;
  gap: 20px;
  padding: 20px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  transition: all 0.2s;
}

.product-item:hover {
  border-color: var(--accent-color);
  box-shadow: var(--shadow);
}

.product-image {
  width: 120px;
  height: 120px;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
}

.product-info {
  flex: 1;
}

.product-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.product-meta {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.product-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.product-spec {
  font-size: 13px;
  color: var(--text-secondary);
}

.product-spec strong {
  color: var(--text-primary);
}

.product-action {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  gap: 10px;
}

.product-price {
  font-size: 20px;
  font-weight: 700;
  color: var(--accent-color);
}

/* ========================================
   规格表格
   ======================================== */
.spec-table-wrapper {
  overflow-x: auto;
  margin-bottom: 20px;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.spec-table th,
.spec-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.spec-table th {
  background: var(--bg-secondary);
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
}

.spec-table tr:hover td {
  background: var(--bg-secondary);
}

.spec-table td:first-child {
  font-weight: 500;
  color: var(--text-primary);
  width: 200px;
}

/* ========================================
   面包屑
   ======================================== */
.breadcrumb {
  padding: 16px 0;
  font-size: 13px;
  color: var(--text-muted);
}

.breadcrumb a {
  color: var(--text-secondary);
}

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

.breadcrumb span {
  margin: 0 8px;
}

/* ========================================
   分页
   ======================================== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 30px;
}

.pagination a,
.pagination span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--text-secondary);
  transition: all 0.2s;
}

.pagination a:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
}

.pagination .current {
  background: var(--accent-color);
  border-color: var(--accent-color);
  color: #fff;
}

/* ========================================
   文章列表
   ======================================== */
.article-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.article-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
}

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

.article-dot {
  width: 6px;
  height: 6px;
  background: var(--accent-color);
  border-radius: 50%;
  flex-shrink: 0;
}

.article-title {
  flex: 1;
  font-size: 14px;
  color: var(--text-primary);
}

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

.article-date {
  font-size: 12px;
  color: var(--text-muted);
  flex-shrink: 0;
}

/* ========================================
   三栏文章布局
   ======================================== */
.articles-section {
  background: var(--bg-secondary);
  padding: 40px 0;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.articles-column h3 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--accent-color);
}

/* ========================================
   页脚
   ======================================== */
.footer {
  background: var(--bg-dark);
  color: #fff;
  padding: 40px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 30px;
}

.footer-brand {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}

.footer-desc {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  line-height: 1.8;
}

.footer-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: rgba(255,255,255,0.7);
  font-size: 13px;
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255,0.5);
}

/* ========================================
   内容页布局
   ======================================== */
.content-wrapper {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 30px;
  padding: 30px 0;
}

.main-content {
  background: var(--bg-primary);
}

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

.sidebar-block {
  background: var(--bg-secondary);
  border-radius: var(--radius);
  padding: 20px;
}

.sidebar-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}

/* ========================================
   文章详情
   ======================================== */
.article-header {
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
}

.article-header h1 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.4;
}

.article-meta {
  display: flex;
  gap: 20px;
  font-size: 13px;
  color: var(--text-muted);
}

.article-body {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.article-body h2 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 30px 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}

.article-body h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 24px 0 12px;
}

.article-body p {
  margin-bottom: 16px;
}

.article-body ul,
.article-body ol {
  margin-bottom: 16px;
  padding-left: 24px;
}

.article-body li {
  margin-bottom: 8px;
}

/* ========================================
   404 页面
   ======================================== */
.error-page {
  text-align: center;
  padding: 80px 20px;
}

.error-code {
  font-size: 120px;
  font-weight: 700;
  color: var(--accent-color);
  line-height: 1;
  margin-bottom: 20px;
}

.error-title {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 12px;
}

.error-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 30px;
}

/* ========================================
   产品图片展示
   ======================================== */
.product-gallery {
  background: var(--bg-secondary);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
  margin-bottom: 30px;
}

.product-gallery-main {
  font-size: 120px;
  margin-bottom: 20px;
}

.product-gallery-thumbs {
  display: flex;
  justify-content: center;
  gap: 10px;
}

.gallery-thumb {
  width: 60px;
  height: 60px;
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  cursor: pointer;
}

.gallery-thumb.active {
  border-color: var(--accent-color);
}

/* ========================================
   相关产品
   ======================================== */
.related-products {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.related-item {
  background: var(--bg-secondary);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
  transition: all 0.2s;
}

.related-item:hover {
  background: var(--accent-color);
  color: #fff;
}

.related-item:hover .related-name {
  color: #fff;
}

.related-item:hover .related-price {
  color: rgba(255,255,255,0.9);
}

.related-icon {
  font-size: 40px;
  margin-bottom: 10px;
}

.related-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.related-price {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-color);
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 1024px) {
  .content-wrapper {
    grid-template-columns: 1fr;
  }

  .sidebar {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .header-inner {
    flex-wrap: wrap;
    height: auto;
    padding: 10px 0;
  }

  .nav {
    order: 3;
    width: 100%;
    gap: 20px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border-color);
  }

  .hero h1 {
    font-size: 24px;
  }

  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .articles-grid {
    grid-template-columns: 1fr;
  }

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

  .product-image {
    width: 100%;
    height: 200px;
  }

  .product-action {
    flex-direction: row;
    justify-content: space-between;
    width: 100%;
  }

  .spec-card-specs {
    grid-template-columns: 1fr;
  }

  .related-products {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .sidebar {
    grid-template-columns: 1fr;
  }

  .spec-table {
    min-width: 600px;
  }
}

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

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

  .pagination {
    flex-wrap: wrap;
  }
}