/* 智能手表 - 对比评测风格样式 */
:root {
  --accent-color: #00bcd4;
  --accent-dark: #0097a7;
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #1f2937;
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --border-color: #374151;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --gradient-hero: linear-gradient(135deg, #0a0e17 0%, #1a2332 50%, #0a0e17 100%);
}

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

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

/* 头部导航 */
.header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--accent-color);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
}

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

.nav {
  display: flex;
  gap: 2rem;
}

.nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color 0.2s;
}

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

.search-box {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.5rem 1rem;
  gap: 0.5rem;
}

.search-box input {
  background: none;
  border: none;
  color: var(--text-primary);
  outline: none;
  width: 180px;
  font-size: 0.875rem;
}

.search-box input::placeholder {
  color: var(--text-secondary);
}

/* Hero 区域 */
.hero {
  background: var(--gradient-hero);
  padding: 4rem 1.5rem;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2rem;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}

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

.hero-stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-color);
}

.hero-stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* 面包屑 */
.breadcrumb {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
}

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

.breadcrumb span {
  margin: 0 0.5rem;
  color: var(--border-color);
}

/* 主容器 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
}

/* 区块标题 */
.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.section-title::before {
  content: '';
  width: 4px;
  height: 24px;
  background: var(--accent-color);
  border-radius: 2px;
}

/* 卡片网格 */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.2s, border-color 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-color);
}

.card-image {
  height: 180px;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.card-body {
  padding: 1.25rem;
}

.card-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.card-title a {
  color: var(--text-primary);
  text-decoration: none;
}

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

.card-meta {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.card-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 推荐标签 */
.recommend-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  background: var(--accent-color);
  color: var(--bg-primary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  margin-bottom: 0.75rem;
}

/* 评分 */
.rating {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.rating-score {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-color);
}

.rating-stars {
  color: var(--warning);
}

.rating-count {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* 对比表格 */
.comparison-section {
  margin-bottom: 3rem;
}

.comparison-table-wrapper {
  overflow-x: auto;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

.comparison-table th,
.comparison-table td {
  padding: 1rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

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

.comparison-table th:first-child {
  width: 200px;
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.comparison-table tr:hover td {
  background: rgba(0, 188, 212, 0.05);
}

.product-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.product-icon {
  width: 40px;
  height: 40px;
  background: var(--bg-primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.product-name {
  font-weight: 600;
}

.product-price {
  font-size: 0.875rem;
  color: var(--accent-color);
  font-weight: 600;
}

.check {
  color: var(--success);
}

.cross {
  color: var(--danger);
}

.feature-highlight {
  color: var(--accent-color);
  font-weight: 500;
}

/* 文章列表 */
.article-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.article-item {
  display: flex;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  text-decoration: none;
  transition: border-color 0.2s;
}

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

.article-thumb {
  width: 80px;
  height: 80px;
  background: var(--bg-secondary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  flex-shrink: 0;
}

.article-content {
  flex: 1;
}

.article-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.article-meta {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.article-excerpt {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 三栏布局 */
.three-column {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.column-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.25rem;
}

.column-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.column-list {
  list-style: none;
}

.column-list li {
  padding: 0.625rem 0;
  border-bottom: 1px solid var(--border-color);
}

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

.column-list a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9375rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.2s;
}

.column-list a::before {
  content: '›';
  color: var(--accent-color);
}

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

/* 分类标签 */
.category-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.category-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 0.625rem 1rem;
  border-radius: 8px;
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  transition: all 0.2s;
}

.category-tag:hover,
.category-tag.active {
  border-color: var(--accent-color);
  color: var(--accent-color);
}

.category-tag .count {
  background: var(--bg-secondary);
  padding: 0.125rem 0.5rem;
  border-radius: 12px;
  font-size: 0.75rem;
}

/* 文章详情 */
.article-header {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 2rem;
}

.article-main-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.article-info {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.article-info span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.article-content-body {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 2rem;
}

.article-content-body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 2rem 0 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.article-content-body h2:first-child {
  margin-top: 0;
}

.article-content-body h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 1.5rem 0 0.75rem;
  color: var(--accent-color);
}

.article-content-body p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.article-content-body ul,
.article-content-body ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
  color: var(--text-secondary);
}

.article-content-body li {
  margin-bottom: 0.5rem;
}

/* 快速摘要 */
.quick-summary {
  background: linear-gradient(135deg, rgba(0, 188, 212, 0.1) 0%, rgba(0, 188, 212, 0.05) 100%);
  border: 1px solid var(--accent-color);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.quick-summary-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--accent-color);
}

.quick-summary p {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* 结论 */
.verdict {
  background: var(--bg-secondary);
  border-radius: 12px;
  padding: 1.5rem;
  margin: 2rem 0;
}

.verdict-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.verdict p {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* 相关产品 */
.related-products {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.related-product {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
  text-align: center;
  text-decoration: none;
  transition: border-color 0.2s;
}

.related-product:hover {
  border-color: var(--accent-color);
}

.related-product-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
}

.related-product-name {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.related-product-price {
  font-size: 0.875rem;
  color: var(--accent-color);
}

/* 404 页面 */
.error-page {
  text-align: center;
  padding: 6rem 1.5rem;
}

.error-code {
  font-size: 8rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 1rem;
}

.error-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.error-desc {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent-color);
  color: var(--bg-primary);
  padding: 0.875rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: background 0.2s;
}

.btn:hover {
  background: var(--accent-dark);
}

/* 页脚 */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 3rem 1.5rem 2rem;
  margin-top: 3rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.footer-logo-icon {
  width: 36px;
  height: 36px;
  background: var(--accent-color);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-logo-text {
  font-weight: 700;
  font-size: 1.125rem;
}

.footer-desc {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.footer-title {
  font-weight: 600;
  margin-bottom: 1rem;
  font-size: 0.9375rem;
}

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

.footer-links li {
  margin-bottom: 0.625rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color 0.2s;
}

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

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

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

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

@media (max-width: 768px) {
  .header-content {
    flex-wrap: wrap;
    gap: 1rem;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: center;
    gap: 1.5rem;
  }

  .hero-title {
    font-size: 1.75rem;
  }

  .hero-stats {
    gap: 2rem;
  }

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

  .comparison-table {
    font-size: 0.875rem;
  }

  .comparison-table th,
  .comparison-table td {
    padding: 0.75rem;
  }

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

  .article-thumb {
    width: 100%;
    height: 160px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .article-main-title {
    font-size: 1.5rem;
  }

  .article-content-body {
    padding: 1.25rem;
  }
}

@media (max-width: 480px) {
  .search-box {
    display: none;
  }

  .hero {
    padding: 2.5rem 1rem;
  }

  .hero-title {
    font-size: 1.5rem;
  }

  .container {
    padding: 0 1rem 2rem;
  }

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