/* ===== 咖啡豆 - 咖啡主题网站样式 ===== */
/* 查询关键词: 咖啡豆 www.kafeiwen.cn 提供咖啡冲泡教程 设备推荐 创意食谱及咖啡文化内容 */

/* ===== CSS 变量 ===== */
:root {
  --accent-color: #8B4513;
  --accent-light: #A0522D;
  --accent-dark: #5D3A1A;
  --text-primary: #2C2C2C;
  --text-secondary: #666;
  --text-muted: #999;
  --bg-primary: #FFF;
  --bg-secondary: #FAF7F2;
  --bg-warm: #F5EDE4;
  --border-color: #E8E0D5;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --max-width: 1200px;
  --content-width: 800px;
}

/* ===== 重置与基础 ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  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-light);
}

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

ul, ol {
  list-style: none;
}

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

.content-wrap {
  max-width: var(--content-width);
  margin: 0 auto;
}

/* ===== Header ===== */
.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: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-color);
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--accent-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.2rem;
}

.nav {
  display: flex;
  gap: 32px;
}

.nav a {
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.95rem;
}

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

.search-btn {
  width: 40px;
  height: 40px;
  border: none;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all 0.2s;
}

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

/* ===== Footer ===== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 48px 0 24px;
  margin-top: 64px;
}

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

.footer-brand p {
  color: var(--text-secondary);
  margin-top: 12px;
  font-size: 0.9rem;
}

.footer-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

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

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

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

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ===== Hero Section ===== */
.hero {
  background: linear-gradient(135deg, var(--bg-warm) 0%, var(--bg-secondary) 100%);
  padding: 80px 0;
  text-align: center;
}

.hero-title {
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--accent-dark);
  margin-bottom: 16px;
  line-height: 1.2;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 32px;
}

.hero-cta {
  display: inline-flex;
  gap: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 1rem;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

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

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

.btn-secondary {
  background: transparent;
  color: var(--accent-color);
  border: 2px solid var(--accent-color);
}

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

/* ===== Section 通用 ===== */
.section {
  padding: 64px 0;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.section-more {
  color: var(--accent-color);
  font-size: 0.9rem;
  font-weight: 500;
}

/* ===== 卡片组件 ===== */
.card-grid {
  display: grid;
  gap: 24px;
}

.card-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.card-grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: all 0.2s;
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-image {
  aspect-ratio: 16/10;
  background: var(--bg-warm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 3rem;
}

.card-body {
  padding: 20px;
}

.card-tag {
  display: inline-block;
  padding: 4px 10px;
  background: var(--bg-warm);
  color: var(--accent-color);
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.4;
}

.card-title a {
  color: inherit;
}

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

.card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.card-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ===== 特色卡片 ===== */
.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.featured-card {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: all 0.2s;
}

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

.featured-icon {
  width: 64px;
  height: 64px;
  background: var(--bg-warm);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.8rem;
  color: var(--accent-color);
}

.featured-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.featured-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ===== 内容列表 ===== */
.content-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

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

.content-thumb {
  width: 200px;
  height: 140px;
  background: var(--bg-warm);
  border-radius: var(--radius-md);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 2rem;
}

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

.content-tag {
  display: inline-block;
  padding: 3px 10px;
  background: var(--bg-warm);
  color: var(--accent-color);
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  width: fit-content;
}

.content-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.content-title a {
  color: var(--text-primary);
}

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

.content-excerpt {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
}

.content-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: auto;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===== 三栏列表 ===== */
.three-col-section {
  background: var(--bg-secondary);
}

.three-col-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.col-list h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--accent-color);
}

.col-list ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.col-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.col-list .num {
  width: 24px;
  height: 24px;
  background: var(--bg-warm);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-color);
  flex-shrink: 0;
}

.col-list a {
  color: var(--text-primary);
  font-size: 0.95rem;
  line-height: 1.5;
}

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

/* ===== 面包屑 ===== */
.breadcrumb {
  background: var(--bg-secondary);
  padding: 16px 0;
  border-bottom: 1px solid var(--border-color);
}

.breadcrumb ol {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
}

.breadcrumb li:not(:last-child)::after {
  content: '›';
  margin-left: 8px;
  color: var(--text-muted);
}

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

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

.breadcrumb li:last-child {
  color: var(--text-primary);
  font-weight: 500;
}

/* ===== 分类页头部 ===== */
.category-header {
  background: var(--bg-secondary);
  padding: 48px 0;
  text-align: center;
}

.category-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-dark);
  margin-bottom: 12px;
}

.category-desc {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 20px;
}

.category-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.category-stats span {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ===== 分页 ===== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
}

.pagination a,
.pagination span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  transition: all 0.2s;
}

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

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

.pagination .prev,
.pagination .next {
  padding: 0 16px;
}

/* ===== 文章页 ===== */
.article-header {
  background: var(--bg-secondary);
  padding: 48px 0 32px;
}

.article-category {
  display: inline-block;
  padding: 6px 14px;
  background: var(--accent-color);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.article-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: 20px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.article-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.article-featured-image {
  width: 100%;
  height: 400px;
  background: var(--bg-warm);
  border-radius: var(--radius-lg);
  margin: 32px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 4rem;
}

.article-content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-primary);
}

.article-content h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 40px 0 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border-color);
}

.article-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 32px 0 16px;
}

.article-content p {
  margin-bottom: 20px;
}

.article-content ul,
.article-content ol {
  margin-bottom: 20px;
  padding-left: 24px;
}

.article-content ul li {
  list-style: disc;
  margin-bottom: 8px;
}

.article-content ol li {
  list-style: decimal;
  margin-bottom: 8px;
}

.article-content img {
  border-radius: var(--radius-md);
  margin: 24px 0;
}

/* ===== 食谱组件 ===== */
.recipe-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  background: var(--bg-warm);
  padding: 24px;
  border-radius: var(--radius-lg);
  margin: 32px 0;
}

.recipe-meta-item {
  text-align: center;
}

.recipe-meta-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.recipe-meta-value {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent-color);
}

.ingredient-list {
  background: var(--bg-secondary);
  padding: 24px;
  border-radius: var(--radius-lg);
  margin: 24px 0;
}

.ingredient-list h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--accent-dark);
}

.ingredient-list ul {
  display: grid;
  gap: 12px;
}

.ingredient-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
}

.ingredient-list .check {
  width: 20px;
  height: 20px;
  border: 2px solid var(--accent-color);
  border-radius: 4px;
  flex-shrink: 0;
}

.step-instructions {
  margin: 32px 0;
}

.step-instructions h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--accent-dark);
}

.step {
  display: flex;
  gap: 20px;
  margin-bottom: 24px;
}

.step-num {
  width: 40px;
  height: 40px;
  background: var(--accent-color);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  flex-shrink: 0;
}

.step-content h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.step-content p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ===== 相关文章 ===== */
.related-section {
  border-top: 1px solid var(--border-color);
  padding-top: 48px;
  margin-top: 48px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ===== 404页面 ===== */
.error-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 20px;
}

.error-code {
  font-size: 8rem;
  font-weight: 700;
  color: var(--accent-color);
  line-height: 1;
  margin-bottom: 16px;
  opacity: 0.3;
}

.error-title {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.error-desc {
  color: var(--text-secondary);
  margin-bottom: 32px;
}

/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
  .card-grid-4 {
    grid-template-columns: repeat(3, 1fr);
  }

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

@media (max-width: 768px) {
  .header-inner {
    height: 56px;
  }

  .nav {
    display: none;
  }

  .hero {
    padding: 60px 0;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-desc {
    font-size: 1rem;
  }

  .hero-cta {
    flex-direction: column;
    width: 100%;
    padding: 0 20px;
  }

  .btn {
    width: 100%;
  }

  .featured-grid,
  .card-grid-3,
  .card-grid-4 {
    grid-template-columns: 1fr;
  }

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

  .content-thumb {
    width: 100%;
    height: 200px;
  }

  .three-col-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .article-featured-image {
    height: 240px;
  }

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

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

  .error-code {
    font-size: 5rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .section {
    padding: 48px 0;
  }

  .featured-card {
    padding: 24px;
  }

  .pagination a,
  .pagination span {
    min-width: 36px;
    height: 36px;
    font-size: 0.9rem;
  }
}