/* ========================================
   爱旅游 - 仿原站 Tailwind 风格 CSS
   主色: hsl(142 76% 36%) = #16a34a
   ======================================== */

/* CSS Variables (from original site) */
:root {
  --background: 0 0% 100%;
  --foreground: 0 0% 10%;
  --card: 0 0% 100%;
  --card-foreground: 0 0% 10%;
  --primary: 142 76% 36%;
  --primary-foreground: 0 0% 100%;
  --secondary: 210 40% 96%;
  --secondary-foreground: 0 0% 10%;
  --muted: 210 40% 96%;
  --muted-foreground: 0 0% 45%;
  --accent: 142 76% 36%;
  --accent-foreground: 0 0% 100%;
  --destructive: 0 72% 58%;
  --border: 214 32% 91%;
  --input: 214 32% 91%;
  --ring: 142 76% 36%;
  --radius: .75rem;
  --travel-green: 142 76% 36%;
  --travel-blue: 199 89% 48%;
  --gradient-travel: linear-gradient(135deg, hsl(142 76% 36%) 0%, hsl(160 84% 39%) 50%, hsl(199 89% 48%) 100%);
  --gradient-card: linear-gradient(135deg, hsl(0 0% 100%) 0%, hsl(210 40% 98%) 100%);
  --gradient-text: linear-gradient(135deg, hsl(142 76% 36%) 0%, hsl(199 89% 48%) 100%);
  --shadow-travel: 0 8px 32px 0 rgba(34,197,94,.15);
  --shadow-glow: 0 0 20px rgba(34,197,94,.25), 0 0 40px rgba(34,197,94,.12);
  --shadow-card: 0 4px 16px 0 rgba(0,0,0,.08);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: hsl(var(--foreground));
  background: hsl(var(--background));
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: hsl(var(--primary)); text-decoration: none; transition: color .2s; }
a:hover { color: hsl(142 76% 28%); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; }

/* Gradient text (from original) */
.gradient-text {
  background: linear-gradient(135deg, #16a249, #10b77f, #0da2e7);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ========================================
   Header / Navigation (sticky, backdrop-blur)
   ======================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  border-bottom: 1px solid hsl(var(--border) / .5);
  background: hsl(var(--background) / .95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}
.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  height: 64px;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
}
.header-left { display: flex; align-items: center; gap: 24px; }
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 700;
  color: hsl(var(--primary));
  white-space: nowrap;
}
.logo svg, .logo .logo-icon { width: 28px; height: 28px; }

/* Nav: desktop visible, mobile hamburger */
.main-nav { display: flex; gap: 2px; }
.main-nav a {
  padding: 8px 16px;
  border-radius: var(--radius);
  color: hsl(var(--muted-foreground));
  font-size: 14px;
  font-weight: 500;
  transition: all .2s;
}
.main-nav a:hover { background: hsl(var(--accent) / .1); color: hsl(var(--primary)); }
.main-nav a.active { background: hsl(var(--accent) / .15); color: hsl(var(--primary)); font-weight: 600; }

.header-right { display: flex; align-items: center; gap: 12px; }
.search-form { position: relative; }
.search-form input {
  border: 1px solid hsl(var(--border));
  border-radius: 9999px;
  padding: 8px 16px 8px 36px;
  width: 220px;
  font-size: 14px;
  outline: none;
  background: hsl(var(--background));
  transition: border-color .2s, box-shadow .2s;
}
.search-form input:focus { border-color: hsl(var(--ring)); box-shadow: 0 0 0 2px hsl(var(--ring) / .2); }
.search-form::before {
  content: '🔍';
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
  pointer-events: none;
}
.btn-login {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 20px;
  border-radius: var(--radius);
  background: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
  font-size: 14px;
  font-weight: 500;
  border: none;
  transition: opacity .2s;
}
.btn-login:hover { opacity: .9; color: #fff; }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  color: hsl(var(--foreground));
  padding: 4px;
}

/* ========================================
   Main Content
   ======================================== */
.site-main { flex: 1; }
.container { max-width: 1400px; margin: 0 auto; padding: 0 16px; }

/* ========================================
   Hero Section
   ======================================== */
.hero-section {
  position: relative;
  background: linear-gradient(to bottom, hsl(var(--primary) / .05), hsl(var(--background)));
}
.hero-inner { padding: 32px 0; }

/* Carousel + Hot recommend side by side */
.hero-row {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 24px;
  align-items: start;
}
.hero-title {
  font-size: 36px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 8px;
}
.hero-subtitle {
  text-align: center;
  color: hsl(var(--muted-foreground));
  font-size: 16px;
  margin-bottom: 32px;
}

/* ========================================
   Carousel / Slider (embla style)
   ======================================== */
.carousel {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 32px;
}
.carousel-track {
  display: flex;
  transition: transform .5s ease;
}
.carousel-slide {
  min-width: 100%;
  flex-shrink: 0;
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
}
.carousel-slide .slide-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
}
.carousel-slide .slide-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 32px;
  background: linear-gradient(transparent, rgba(0,0,0,.7));
  color: #fff;
}
.slide-category {
  display: inline-block;
  background: hsl(var(--primary));
  color: #fff;
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 8px;
}
.slide-overlay h2 { font-size: 24px; font-weight: 700; margin-bottom: 8px; }
.slide-overlay p { font-size: 14px; opacity: .9; margin-bottom: 16px; line-height: 1.6; }
.slide-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: hsl(var(--primary));
  color: #fff;
  padding: 10px 24px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  border: none;
  transition: opacity .2s;
}
.slide-btn:hover { opacity: .9; color: #fff; }

.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  background: hsl(var(--background) / .8);
  border: 1px solid hsl(var(--border));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: hsl(var(--foreground));
  z-index: 2;
  transition: all .2s;
  backdrop-filter: blur(4px);
}
.carousel-arrow:hover { background: hsl(var(--background)); box-shadow: var(--shadow-card); }
.carousel-arrow.prev { left: 12px; }
.carousel-arrow.next { right: 12px; }

/* ========================================
   Hot Recommend List
   ======================================== */
.hot-section {
  background: hsl(var(--card));
  border-radius: var(--radius);
  border: 1px solid hsl(var(--border));
  padding: 24px;
  margin-bottom: 32px;
  box-shadow: var(--shadow-card);
}
.section-heading {
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}
.section-heading .icon { font-size: 22px; }
.section-heading a {
  margin-left: auto;
  font-size: 14px;
  font-weight: 500;
  color: hsl(var(--primary));
}

.hot-list { }
.hot-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid hsl(var(--border) / .5);
  transition: background .2s;
}
.hot-item:last-child { border-bottom: none; }
.hot-item:hover { background: hsl(var(--muted) / .3); margin: 0 -12px; padding: 12px; border-radius: 8px; }
.hot-rank {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: hsl(var(--muted));
  color: hsl(var(--muted-foreground));
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}
.hot-item:nth-child(1) .hot-rank { background: #ef4444; color: #fff; }
.hot-item:nth-child(2) .hot-rank { background: #f97316; color: #fff; }
.hot-item:nth-child(3) .hot-rank { background: #eab308; color: #fff; }
.hot-item a { flex: 1; color: hsl(var(--foreground)); font-size: 15px; font-weight: 500; }
.hot-item a:hover { color: hsl(var(--primary)); }
.hot-info { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.hot-info a { font-size: 14px; font-weight: 500; color: hsl(var(--foreground)); }
.hot-info a:hover { color: hsl(var(--primary)); }
.hot-views { color: hsl(var(--muted-foreground)); font-size: 13px; white-space: nowrap; }

/* ========================================
   Category Grid
   ======================================== */
.categories-section { padding: 48px 0; background: hsl(var(--muted) / .3); }
.category-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  padding: 32px 16px;
  transition: all .3s;
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
.category-card:hover {
  border-color: hsl(var(--primary));
  transform: translateY(-4px);
  box-shadow: var(--shadow-travel);
}
.category-card .cat-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: hsl(var(--primary) / .1);
  margin-bottom: 12px;
  font-size: 24px;
}
.category-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 4px; color: hsl(var(--foreground)); }
.category-card p { font-size: 13px; color: hsl(var(--muted-foreground)); line-height: 1.5; }

/* ========================================
   City Grid
   ======================================== */
.cities-section { padding: 48px 0; }
.city-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}
.city-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  border-radius: var(--radius);
  padding: 24px 16px;
  border: 2px solid transparent;
  transition: all .3s;
}
.city-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }
.city-card .city-emoji { font-size: 40px; margin-bottom: 8px; }
.city-card h4 { color: hsl(var(--primary)); font-size: 16px; font-weight: 600; margin-bottom: 4px; }
.city-card p { font-size: 12px; color: hsl(var(--muted-foreground)); }

/* ========================================
   Article List & Cards
   ======================================== */
.articles-section { padding: 48px 0; }
.articles-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 32px;
}
.article-list { display: flex; flex-direction: column; gap: 20px; }

.article-card {
  display: flex;
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  overflow: hidden;
  transition: all .3s;
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
.article-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}
.article-card .card-thumb {
  width: 260px;
  height: 180px;
  flex-shrink: 0;
  overflow: hidden;
  border-radius: var(--radius) 0 0 var(--radius);
}
.article-card .card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s;
}
.article-card:hover .card-thumb img { transform: scale(1.05); }
.article-card .card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.card-category {
  display: inline-block;
  background: hsl(var(--primary) / .1);
  color: hsl(var(--primary));
  padding: 2px 10px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 8px;
  align-self: flex-start;
}
.card-body h2 { font-size: 18px; font-weight: 600; margin-bottom: 8px; line-height: 1.4; }
.card-body h2 a { color: hsl(var(--foreground)); }
.card-body h2 a:hover { color: hsl(var(--primary)); }
.card-excerpt {
  font-size: 14px;
  color: hsl(var(--muted-foreground));
  margin-bottom: 12px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.6;
}
.card-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.card-tags a {
  background: hsl(var(--secondary));
  color: hsl(var(--secondary-foreground));
  padding: 2px 10px;
  border-radius: 9999px;
  font-size: 12px;
  transition: all .2s;
}
.card-tags a:hover { background: hsl(var(--primary) / .1); color: hsl(var(--primary)); }
.card-meta {
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: hsl(var(--muted-foreground));
}
.card-meta span { display: flex; align-items: center; gap: 4px; }

/* ========================================
   Pagination
   ======================================== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 24px 0;
}
.pagination a, .pagination span, .pagination button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 12px;
  border-radius: var(--radius);
  font-size: 14px;
  border: 1px solid hsl(var(--border));
  background: hsl(var(--background));
  color: hsl(var(--foreground));
  transition: all .2s;
}
.pagination a:hover, .pagination button:hover {
  border-color: hsl(var(--primary));
  color: hsl(var(--primary));
  background: hsl(var(--primary) / .05);
}
.pagination .current {
  background: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
  border-color: hsl(var(--primary));
}
.pagination .page-info {
  border: none;
  color: hsl(var(--muted-foreground));
  font-size: 13px;
  background: none;
}

/* ========================================
   Sidebar
   ======================================== */
.sidebar { display: flex; flex-direction: column; gap: 20px; }
.widget {
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
.widget h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid hsl(var(--border) / .5);
  display: flex;
  align-items: center;
  gap: 8px;
}
.top-articles li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid hsl(var(--border) / .3);
}
.top-articles li:last-child { border-bottom: none; }
.top-articles .rank {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: hsl(var(--muted));
  color: hsl(var(--muted-foreground));
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}
.top-articles li:nth-child(1) .rank { background: #ef4444; color: #fff; }
.top-articles li:nth-child(2) .rank { background: #f97316; color: #fff; }
.top-articles li:nth-child(3) .rank { background: #eab308; color: #fff; }
.top-articles li a {
  flex: 1;
  color: hsl(var(--foreground));
  font-size: 14px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.top-articles li a:hover { color: hsl(var(--primary)); }
.top-articles .likes { color: hsl(var(--muted-foreground)); font-size: 12px; white-space: nowrap; }

/* Tag Cloud */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud .tag {
  background: hsl(var(--secondary));
  color: hsl(var(--secondary-foreground));
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 13px;
  transition: all .2s;
}
.tag-cloud .tag:hover { background: hsl(var(--primary) / .1); color: hsl(var(--primary)); }

/* ========================================
   Article Detail Page
   ======================================== */
.breadcrumb {
  font-size: 14px;
  color: hsl(var(--muted-foreground));
  margin-bottom: 16px;
  padding: 16px 0;
}
.breadcrumb a { color: hsl(var(--primary)); }
.breadcrumb span { margin: 0 8px; color: hsl(var(--border)); }

.article-detail {
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  padding: 40px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-card);
}
.article-detail h1 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.4;
  color: hsl(var(--foreground));
}
.article-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.article-tags a {
  background: hsl(var(--secondary));
  color: hsl(var(--secondary-foreground));
  padding: 4px 14px;
  border-radius: 9999px;
  font-size: 13px;
  transition: all .2s;
}
.article-tags a:hover { background: hsl(var(--primary) / .1); color: hsl(var(--primary)); }
.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 14px;
  color: hsl(var(--muted-foreground));
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid hsl(var(--border) / .5);
}
.article-meta .cat-badge {
  background: hsl(var(--primary) / .1);
  color: hsl(var(--primary));
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 13px;
  font-weight: 500;
}
.featured-image {
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 32px;
}
.featured-image img { width: 100%; display: block; }

/* Article Content */
.article-content { font-size: 16px; line-height: 1.8; color: hsl(var(--foreground)); }
.article-content h2 {
  font-size: 22px;
  font-weight: 700;
  margin: 36px 0 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid hsl(var(--border) / .5);
  color: hsl(var(--foreground));
}
.article-content h3 { font-size: 18px; font-weight: 600; margin: 28px 0 12px; }
.article-content p { margin-bottom: 16px; }
.article-content ul, .article-content ol { margin: 12px 0; padding-left: 24px; }
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li { margin-bottom: 8px; }
.article-content strong { color: hsl(var(--foreground)); font-weight: 600; }
.article-content img { border-radius: var(--radius); margin: 16px 0; }

/* ========================================
   Category Page Header
   ======================================== */
.category-header {
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  padding: 40px;
  margin-bottom: 24px;
  text-align: center;
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
.category-header h1 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
  color: hsl(var(--foreground));
}
.category-header p {
  color: hsl(var(--muted-foreground));
  font-size: 16px;
}

/* ========================================
   Category Page - Grid Layout (like original)
   ======================================== */
.category-header-simple {
  margin-bottom: 24px;
}
.category-header-simple h1 {
  font-size: 26px;
  font-weight: 700;
  color: hsl(var(--foreground));
  margin-bottom: 4px;
}
.category-header-simple p {
  color: hsl(var(--muted-foreground));
  font-size: 15px;
}
.category-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 24px;
  align-items: start;
}
.category-sidebar {
  position: sticky;
  top: 80px;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.grid-card {
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow .3s, transform .2s;
}
.grid-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}
.grid-card-img {
  display: block;
  width: 100%;
  aspect-ratio: 16/10;
  overflow: hidden;
}
.grid-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s;
}
.grid-card:hover .grid-card-img img {
  transform: scale(1.05);
}
.grid-card-body {
  padding: 14px;
}
.grid-card-body h2 {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  margin: 6px 0 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.grid-card-body h2 a {
  color: hsl(var(--foreground));
}
.grid-card-body h2 a:hover {
  color: hsl(var(--primary));
}
.grid-card-body .card-excerpt {
  font-size: 13px;
  color: hsl(var(--muted-foreground));
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 8px;
}
.grid-card-body .card-tags {
  margin-bottom: 8px;
}
.grid-card-body .card-tags a {
  font-size: 12px;
  padding: 2px 8px;
  border: 1px solid hsl(var(--border));
  border-radius: 12px;
  color: hsl(var(--muted-foreground));
  margin-right: 4px;
  display: inline-block;
  margin-bottom: 4px;
}
.grid-card-body .card-tags a:hover {
  color: hsl(var(--primary));
  border-color: hsl(var(--primary));
}
.grid-card-body .card-meta {
  font-size: 12px;
  color: hsl(var(--muted-foreground));
  display: flex;
  gap: 10px;
}

/* Category grid responsive */
@media (max-width: 1024px) {
  .category-layout {
    grid-template-columns: 1fr;
  }
  .category-sidebar {
    position: static;
  }
}
@media (max-width: 768px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
}
@media (max-width: 480px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
}

/* ========================================
   Search Page Form
   ======================================== */
.search-page-form {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}
.search-page-form input {
  flex: 1;
  padding: 12px 16px;
  border: 2px solid hsl(var(--border));
  border-radius: var(--radius);
  font-size: 16px;
  outline: none;
  transition: border-color .2s;
}
.search-page-form input:focus {
  border-color: hsl(var(--primary));
}
.search-page-form button {
  padding: 12px 28px;
  background: hsl(var(--primary));
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s;
}
.search-page-form button:hover {
  background: hsl(142 76% 28%);
}
.search-result-count {
  color: hsl(var(--muted-foreground));
  font-size: 15px;
  margin-bottom: 20px;
}
.search-result-count strong {
  color: hsl(var(--primary));
}

/* ========================================
   Prev / Next Article Navigation
   ======================================== */
.prev-next-nav {
  display: flex;
  gap: 16px;
  margin: 32px 0;
  padding-top: 24px;
  border-top: 1px solid hsl(var(--border));
}
.prev-article, .next-article {
  flex: 1;
}
.next-article {
  text-align: right;
}
.prev-next-nav a {
  display: block;
  padding: 16px 20px;
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  transition: border-color .2s, box-shadow .2s;
}
.prev-next-nav a:hover {
  border-color: hsl(var(--primary));
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}
.pn-label {
  display: block;
  font-size: 13px;
  color: hsl(var(--muted-foreground));
  margin-bottom: 4px;
}
.pn-title {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: hsl(var(--foreground));
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.prev-next-nav a:hover .pn-title {
  color: hsl(var(--primary));
}
@media (max-width: 640px) {
  .prev-next-nav {
    flex-direction: column;
  }
  .next-article { text-align: left; }
}

/* Related Articles */
.related-section { margin-bottom: 32px; }
.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

/* ========================================
   Footer
   ======================================== */
.site-footer {
  border-top: 1px solid hsl(var(--border) / .5);
  background: hsl(var(--card) / .5);
  backdrop-filter: blur(12px);
  margin-top: auto;
}
.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 40px 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.footer-col h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  color: hsl(var(--foreground));
}
.footer-col p {
  font-size: 14px;
  color: hsl(var(--muted-foreground));
  line-height: 1.8;
}
.footer-col a { color: hsl(var(--primary)); }
.footer-bottom {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px 16px;
  border-top: 1px solid hsl(var(--border) / .3);
  text-align: center;
  font-size: 13px;
  color: hsl(var(--muted-foreground));
}

/* ========================================
   404 Page
   ======================================== */
.error-page { text-align: center; padding: 80px 20px; }
.error-page h1 { font-size: 72px; font-weight: 700; }
.error-page .btn-home {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: hsl(var(--primary));
  color: #fff;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 500;
  margin-top: 16px;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
  .hero-row { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: repeat(3, 1fr); }
  .city-grid { grid-template-columns: repeat(3, 1fr); }
  .articles-layout { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .main-nav {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: hsl(var(--background));
    flex-direction: column;
    padding: 16px;
    border-bottom: 1px solid hsl(var(--border));
    box-shadow: 0 4px 12px rgba(0,0,0,.1);
    z-index: 99;
  }
  .main-nav.open { display: flex; }
  .menu-toggle { display: block; }
  .search-form input { width: 140px; }
  .article-card { flex-direction: column; }
  .article-card .card-thumb { width: 100%; height: 200px; border-radius: var(--radius) var(--radius) 0 0; }
  .hero-title { font-size: 24px; }
  .carousel-slide .slide-image { height: 260px; }
  .slide-overlay h2 { font-size: 18px; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .city-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr; }
  .article-detail { padding: 24px; }
  .article-detail h1 { font-size: 22px; }
  .header-left { gap: 12px; }
}
@media (max-width: 480px) {
  .category-grid { grid-template-columns: 1fr; }
  .city-grid { grid-template-columns: repeat(2, 1fr); }
  .carousel-slide .slide-image { height: 200px; }
}

/* Utility: flex min-h-screen */
.page-wrapper { display: flex; flex-direction: column; min-height: 100vh; }

/* ========================================
   Dark Mode
   ======================================== */
.dark {
  --background: 222 47% 11%;
  --foreground: 210 40% 98%;
  --card: 217 33% 17%;
  --card-foreground: 210 40% 98%;
  --primary: 142 76% 42%;
  --primary-foreground: 0 0% 100%;
  --secondary: 217 33% 22%;
  --secondary-foreground: 210 40% 90%;
  --muted: 217 33% 22%;
  --muted-foreground: 215 20% 60%;
  --accent: 142 76% 42%;
  --accent-foreground: 0 0% 100%;
  --border: 217 33% 25%;
  --input: 217 33% 25%;
  --ring: 142 76% 42%;
}
.dark .site-header { background: hsl(222 47% 11% / .95); }
.dark .main-nav { background: hsl(222 47% 11%) !important; }
.dark .carousel-arrow { background: hsl(217 33% 17% / .8); }
.dark .city-card { background: hsl(217 33% 17%) !important; }

/* Theme Toggle Button */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  border: 1px solid hsl(var(--border));
  background: hsl(var(--background));
  color: hsl(var(--foreground));
  font-size: 18px;
  cursor: pointer;
  transition: all .2s;
}
.theme-toggle:hover { border-color: hsl(var(--primary)); color: hsl(var(--primary)); }

/* ========================================
   Article Actions (Like/Bookmark/Share)
   ======================================== */
.article-actions {
  display: flex;
  gap: 12px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid hsl(var(--border) / .5);
}
.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius);
  border: 1px solid hsl(var(--border));
  background: hsl(var(--background));
  color: hsl(var(--foreground));
  font-size: 14px;
  cursor: pointer;
  transition: all .2s;
}
.action-btn:hover {
  border-color: hsl(var(--primary));
  color: hsl(var(--primary));
  background: hsl(var(--primary) / .05);
}
.action-btn.liked { border-color: #ef4444; color: #ef4444; background: rgba(239,68,68,.05); }
.action-btn.bookmarked { border-color: #eab308; color: #eab308; background: rgba(234,179,8,.05); }

/* Share dropdown */
.share-wrap { position: relative; }
.share-menu {
  display: none;
  position: absolute;
  bottom: 100%;
  left: 0;
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  padding: 8px;
  margin-bottom: 8px;
  box-shadow: var(--shadow-card);
  z-index: 10;
  white-space: nowrap;
}
.share-menu.open { display: block; }
.share-menu a {
  display: block;
  padding: 8px 16px;
  border-radius: 6px;
  color: hsl(var(--foreground));
  font-size: 14px;
  transition: background .2s;
}
.share-menu a:hover { background: hsl(var(--muted)); }