/* ==========================================
   培训机构黄页 - 全站样式
   ========================================== */

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
       "Microsoft YaHei", sans-serif; color: #333; background: #f4f6fb; line-height: 1.6; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
input, textarea, select, button { font-family: inherit; font-size: inherit; outline: none; }

/* ── CSS Variables ── */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #eff6ff;
  --accent: #f59e0b;
  --success: #10b981;
  --danger: #ef4444;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-700: #374151;
  --gray-900: #111827;
  --border-radius: 12px;
  --border-radius-sm: 6px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.04);
  --shadow: 0 4px 16px rgba(0,0,0,.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.12);
  --transition: .2s ease;
}

/* ── Container ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ── Buttons ── */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 24px; background: var(--primary); color: #fff;
  border: 2px solid var(--primary); border-radius: 8px; font-weight: 600;
  cursor: pointer; transition: var(--transition);
}
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn-outline {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 24px; background: transparent; color: var(--primary);
  border: 2px solid var(--primary); border-radius: 8px; font-weight: 600;
  cursor: pointer; transition: var(--transition);
}
.btn-outline:hover { background: var(--primary-light); }
.btn-outline-sm {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 6px 14px; background: transparent; color: var(--primary);
  border: 1.5px solid var(--primary); border-radius: 6px; font-size: .85rem;
  font-weight: 600; transition: var(--transition);
}
.btn-outline-sm:hover { background: var(--primary-light); }
.btn-sm-primary {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 6px 14px; background: var(--primary); color: #fff;
  border: none; border-radius: 6px; font-size: .85rem; font-weight: 600;
  cursor: pointer; transition: var(--transition);
}
.btn-sm-primary:hover { background: var(--primary-dark); }
.btn-block { width: 100%; }
.mt10 { margin-top: 10px; }

/* ── Tags ── */
.tag {
  display: inline-block; padding: 2px 10px; background: var(--primary-light);
  color: var(--primary); border-radius: 20px; font-size: .8rem; font-weight: 500;
}
.badge-featured {
  display: inline-block; padding: 2px 8px; background: var(--accent);
  color: #fff; border-radius: 4px; font-size: .75rem; margin-left: 6px;
}
.badge-main {
  display: inline-block; padding: 2px 8px; background: var(--primary);
  color: #fff; border-radius: 4px; font-size: .75rem; margin-right: 6px;
}
.text-gray { color: var(--gray-500); font-weight: 400; }

/* ── Header ── */
.site-header {
  background: #fff; border-bottom: 1px solid var(--gray-200);
  position: sticky; top: 0; z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}
.header-inner {
  display: flex; align-items: center; gap: 20px; height: 64px;
}
.logo { display: flex; align-items: center; gap: 8px; font-size: 1.2rem; font-weight: 700; color: var(--primary); white-space: nowrap; }
.logo-icon { font-size: 1.5rem; }
.header-nav { display: flex; gap: 4px; flex: 1; overflow: hidden; }
.header-nav a {
  padding: 6px 12px; border-radius: 6px; font-size: .9rem;
  color: var(--gray-700); transition: var(--transition); white-space: nowrap;
}
.header-nav a:hover { background: var(--primary-light); color: var(--primary); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.header-search {
  display: flex; align-items: center; background: var(--gray-100);
  border: 1.5px solid var(--gray-200); border-radius: 8px; overflow: hidden;
  transition: var(--transition);
}
.header-search:focus-within { border-color: var(--primary); background: #fff; }
.header-search input { padding: 6px 12px; background: transparent; border: none; width: 200px; }
.header-search button { padding: 6px 14px; background: var(--primary); color: #fff; border: none; cursor: pointer; }
.btn-login {
  padding: 8px 18px; background: var(--primary); color: #fff;
  border-radius: 8px; font-weight: 600; font-size: .9rem; white-space: nowrap;
}
.btn-login:hover { background: var(--primary-dark); }

/* ── Hero ── */
.hero {
  background: linear-gradient(135deg, #1e40af 0%, #2563eb 50%, #3b82f6 100%);
  color: #fff; padding: 80px 0 60px;
}
.hero-title { font-size: 2.6rem; font-weight: 800; margin-bottom: 16px; line-height: 1.2; }
.hero-title .highlight { color: #fde68a; }
.hero-subtitle { font-size: 1.1rem; opacity: .9; margin-bottom: 36px; }
.hero-search { margin-bottom: 24px; }
.search-box {
  display: flex; align-items: center; background: #fff; border-radius: 12px;
  overflow: hidden; max-width: 620px; box-shadow: 0 4px 24px rgba(0,0,0,.15);
}
.search-box i { padding: 0 16px; color: var(--gray-400); font-size: 1.1rem; }
.search-box input { flex: 1; padding: 16px 0; border: none; font-size: 1rem; color: var(--gray-900); }
.search-box input::placeholder { color: var(--gray-400); }
.search-box button {
  padding: 14px 28px; background: var(--primary); color: #fff; border: none;
  font-size: 1rem; font-weight: 600; cursor: pointer; transition: var(--transition);
}
.search-box button:hover { background: var(--primary-dark); }
.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.hero-tags a {
  padding: 5px 14px; background: rgba(255,255,255,.15); color: #fff;
  border-radius: 20px; font-size: .85rem; border: 1px solid rgba(255,255,255,.3);
  transition: var(--transition);
}
.hero-tags a:hover { background: rgba(255,255,255,.3); }

/* ── Section Commons ── */
.section-cities, .section-categories, .section-featured, .section-stats { padding: 60px 0; }
.section-cities, .section-categories { background: #fff; }
.section-hd { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; }
.section-title { font-size: 1.5rem; font-weight: 700; }
.section-more { color: var(--primary); font-size: .9rem; display: flex; align-items: center; gap: 4px; }
.section-more:hover { text-decoration: underline; }

/* ── City Grid ── */
.city-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 12px; }
.city-card {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 20px 10px; background: var(--gray-50); border-radius: 10px;
  border: 1.5px solid var(--gray-200); transition: var(--transition);
  font-size: .95rem; font-weight: 500;
}
.city-card i { font-size: 1.6rem; color: var(--primary); }
.city-card:hover { background: var(--primary-light); border-color: var(--primary); transform: translateY(-2px); }

/* ── Category Grid ── */
.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 16px; }
.cat-card {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  padding: 24px 16px; background: var(--gray-50); border-radius: 12px;
  border: 1.5px solid var(--gray-200); transition: var(--transition);
  font-size: .95rem; font-weight: 600;
}
.cat-card i { font-size: 2rem; color: var(--primary); }
.cat-card:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-3px); box-shadow: var(--shadow); }
.cat-card:hover i { color: #fff; }

/* ── Org Grid（卡片模式） ── */
.org-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
.org-card {
  background: #fff; border-radius: var(--border-radius); border: 1.5px solid var(--gray-200);
  overflow: hidden; transition: var(--transition); display: flex; flex-direction: column;
}
.org-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: var(--primary); }
.org-card-logo {
  height: 80px; background: var(--gray-50); display: flex; align-items: center;
  justify-content: center; padding: 16px;
}
.org-card-logo img { max-height: 60px; object-fit: contain; }
.org-card-logo-placeholder {
  width: 60px; height: 60px; background: var(--primary); color: #fff;
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; font-weight: 700;
}
.org-card-body { padding: 16px; flex: 1; display: flex; flex-direction: column; gap: 8px; }
.org-card-name { font-size: 1rem; font-weight: 700; color: var(--gray-900); }
.org-card-desc { font-size: .85rem; color: var(--gray-500); line-height: 1.5; }
.org-card-meta { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-top: auto; }
.meta-item { font-size: .8rem; color: var(--gray-500); display: flex; align-items: center; gap: 4px; }
.meta-item i { color: var(--primary); }

/* ── Stats ── */
.section-stats { background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%); color: #fff; padding: 50px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.stat-item strong { display: block; font-size: 2.4rem; font-weight: 800; margin-bottom: 4px; }
.stat-item span { font-size: .9rem; opacity: .85; }

/* ── Org List（列表模式） ── */
.layout-list { display: grid; grid-template-columns: 220px 1fr; gap: 24px; padding: 32px 20px; }
.org-list { display: flex; flex-direction: column; gap: 12px; }
.org-list-item {
  background: #fff; border-radius: var(--border-radius); padding: 20px;
  display: flex; align-items: center; gap: 16px; border: 1.5px solid var(--gray-200);
  transition: var(--transition);
}
.org-list-item:hover { box-shadow: var(--shadow); border-color: var(--primary); }
.org-list-logo { width: 72px; height: 72px; flex-shrink: 0; }
.org-list-logo img { width: 72px; height: 72px; object-fit: contain; border-radius: 10px; }
.org-logo-placeholder {
  width: 72px; height: 72px; background: var(--primary); color: #fff;
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; font-weight: 700;
}
.org-list-body { flex: 1; min-width: 0; }
.org-list-hd { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 6px; }
.org-list-name { font-size: 1.05rem; font-weight: 700; color: var(--gray-900); }
.price-from { font-size: .85rem; color: var(--gray-500); }
.price-from strong { color: #e53e3e; font-size: 1rem; }
.org-list-desc { font-size: .88rem; color: var(--gray-500); margin-bottom: 8px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.org-list-meta { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.org-list-action { flex-shrink: 0; }

/* ── Filter Sidebar ── */
.filter-sidebar { background: #fff; border-radius: var(--border-radius); padding: 20px; border: 1.5px solid var(--gray-200); height: fit-content; position: sticky; top: 80px; }
.filter-block { margin-bottom: 24px; }
.filter-block:last-child { margin-bottom: 0; }
.filter-title { font-weight: 700; font-size: .95rem; color: var(--gray-700); margin-bottom: 10px; padding-bottom: 8px; border-bottom: 2px solid var(--gray-200); }
.filter-list li a { display: block; padding: 6px 10px; border-radius: 6px; font-size: .88rem; color: var(--gray-700); transition: var(--transition); }
.filter-list li a:hover { background: var(--primary-light); color: var(--primary); }
.filter-list li.active a { background: var(--primary); color: #fff; }

/* ── City Banner ── */
.breadcrumb-bar { background: #fff; border-bottom: 1px solid var(--gray-200); padding: 10px 0; font-size: .85rem; color: var(--gray-500); }
.breadcrumb-bar a { color: var(--primary); }
.breadcrumb-bar i { margin: 0 6px; font-size: .75rem; }
.city-banner { background: linear-gradient(120deg, #1e40af, #3b82f6); color: #fff; padding: 40px 0; margin-bottom: 0; }
.city-banner h1 { font-size: 1.8rem; font-weight: 800; margin-bottom: 8px; }
.city-banner p { opacity: .85; font-size: .95rem; }
.city-banner p strong { font-size: 1.1rem; }

/* ── Pagination ── */
.pagination { padding: 24px 0; }
.pagination ul { display: flex; gap: 6px; list-style: none; }
.pagination li a, .pagination li.active a {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 8px; font-size: .9rem;
  border: 1.5px solid var(--gray-200); background: #fff; color: var(--gray-700);
  transition: var(--transition);
}
.pagination li a:hover { border-color: var(--primary); color: var(--primary); }
.pagination li.active a { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ── Search Page ── */
.search-page { padding: 40px 20px; }
.search-bar-large { max-width: 680px; margin: 0 auto 24px; }
.search-summary { margin-bottom: 20px; font-size: .95rem; color: var(--gray-500); }
.search-summary strong { color: var(--primary); }

/* ── Empty / Error ── */
.empty-box { text-align: center; padding: 80px 20px; color: var(--gray-400); }
.empty-box i { font-size: 4rem; margin-bottom: 16px; display: block; }
.empty-box p { font-size: 1rem; margin-bottom: 20px; }
.error-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.error-content { text-align: center; }
.error-code { font-size: 8rem; font-weight: 900; color: var(--primary); opacity: .15; line-height: 1; margin-bottom: -20px; }
.error-content h1 { font-size: 2rem; margin-bottom: 10px; }
.error-content p { color: var(--gray-500); margin-bottom: 28px; }
.error-actions { display: flex; gap: 12px; justify-content: center; }

/* ── Footer ── */
.site-footer { background: var(--gray-900); color: rgba(255,255,255,.7); padding: 40px 0 24px; margin-top: 60px; }
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.footer-brand { display: flex; align-items: center; gap: 8px; font-size: 1.1rem; font-weight: 700; color: #fff; }
.footer-links { display: flex; gap: 20px; }
.footer-links a { font-size: .88rem; opacity: .7; transition: var(--transition); }
.footer-links a:hover { opacity: 1; color: #fff; }
.footer-copy { font-size: .8rem; opacity: .5; }
.footer-copy a { color: inherit; }

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero-title { font-size: 1.8rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .layout-list { grid-template-columns: 1fr; }
  .filter-sidebar { position: static; }
  .header-nav { display: none; }
}
@media (max-width: 600px) {
  .hero { padding: 50px 0 40px; }
  .hero-title { font-size: 1.5rem; }
  .search-box input { width: 100%; }
  .org-grid { grid-template-columns: 1fr 1fr; }
  .cat-grid { grid-template-columns: repeat(4, 1fr); }
  .city-grid { grid-template-columns: repeat(5, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .org-list-item { flex-wrap: wrap; }
  .org-list-action { display: none; }
}

/* ── 统一筛选页面 ── */
.page-header .subtitle { color: #666; margin-top: 8px; font-size: 1rem; }
.filter-section { margin-top: 16px; }
.filter-label { 
  display: inline-block; 
  min-width: 50px; 
  color: #666; 
  font-weight: 500;
  vertical-align: top;
  margin-top: 6px;
}
.filter-tags { display: inline-block; }
.filter-tags a {
  display: inline-block;
  padding: 6px 14px;
  margin: 4px 4px 4px 0;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 20px;
  color: #666;
  font-size: 14px;
  transition: var(--transition);
}
.filter-tags a:hover { border-color: var(--primary); color: var(--primary); }
.filter-tags a.active { 
  background: var(--primary); 
  border-color: var(--primary); 
  color: #fff; 
}

@media (max-width: 600px) {
  .filter-tags a { padding: 5px 10px; font-size: 13px; }
}