/* Clean White - CSS Stylesheet for jcbijiao.my */

:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --brand-color: #0284c7;
  --brand-hover: #0369a1;
  --brand-light: #e0f2fe;
  --border-color: #e2e8f0;
  --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --max-width: 1180px;
  --article-width: 780px;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-family);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: var(--brand-hover);
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.03);
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0;
}

.brand-area {
  display: flex;
  flex-direction: column;
}

.brand-logo {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.brand-logo svg {
  width: 24px;
  height: 24px;
  fill: var(--brand-color);
}

.brand-tagline {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

/* Header Icon Buttons */
.btn-icon-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  background-color: var(--bg-secondary);
  transition: all 0.2s ease;
  text-decoration: none !important;
}

.btn-icon-tag svg {
  flex-shrink: 0;
}

.btn-icon-tag:hover {
  background-color: #ffffff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.btn-tg:hover {
  border-color: #24A1DE;
  color: #24A1DE;
}

.btn-github:hover {
  border-color: #24292e;
  color: #24292e;
}

/* Header Search Widget */
.header-search-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.header-search-input-group {
  display: flex;
  align-items: center;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  background-color: var(--bg-secondary);
  padding: 0.3rem 0.75rem;
  transition: all 0.25s ease;
  width: 220px;
}

.header-search-input-group:focus-within {
  border-color: var(--brand-color);
  background-color: #ffffff;
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.12);
  width: 270px;
}

.header-search-input {
  border: none;
  background: transparent;
  outline: none;
  font-size: 0.85rem;
  color: var(--text-primary);
  width: 100%;
  padding-right: 0.4rem;
}

.header-search-btn {
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.header-search-btn:hover {
  color: var(--brand-color);
}

.search-results-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 380px;
  max-width: 90vw;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
  z-index: 1000;
  max-height: 420px;
  overflow-y: auto;
  display: none;
  padding: 0.5rem 0;
}

.search-result-item {
  display: block;
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--border-color);
  text-decoration: none !important;
  transition: background-color 0.15s ease;
}

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

.search-result-item:hover {
  background-color: var(--bg-secondary);
}

.search-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.2rem;
}

.search-item-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.search-item-badge {
  font-size: 0.7rem;
  padding: 0.12rem 0.45rem;
  border-radius: 4px;
  background-color: var(--brand-light);
  color: var(--brand-color);
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}

.search-item-excerpt {
  font-size: 0.775rem;
  color: var(--text-muted);
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.search-no-result {
  padding: 1.25rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.btn-cta-small {
  background-color: var(--brand-color);
  color: #fff !important;
  padding: 0.45rem 0.9rem;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: background-color 0.2s;
}

.btn-cta-small:hover {
  background-color: var(--brand-hover);
}

.nav-bar {
  border-top: 1px solid var(--bg-tertiary);
  padding: 0.6rem 0;
  display: flex;
  gap: 1.5rem;
  overflow-x: auto;
  white-space: nowrap;
}

.nav-link {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.2rem 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--brand-color);
  border-bottom: 2px solid var(--brand-color);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-primary);
  cursor: pointer;
}

/* Hero Section */
.hero-section {
  background: linear-gradient(180deg, #f0f9ff 0%, #ffffff 100%);
  padding: 3rem 0 2rem;
  border-bottom: 1px solid var(--border-color);
}

.hero-badge {
  display: inline-block;
  background-color: var(--brand-light);
  color: var(--brand-color);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  margin-bottom: 1rem;
}

.hero-title {
  font-size: 2.1rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.hero-keyword-summary {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 860px;
  margin-bottom: 1.75rem;
  line-height: 1.75;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

.btn-hero-primary {
  background-color: var(--brand-color);
  color: #ffffff !important;
  padding: 0.75rem 1.6rem;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.25);
}

.btn-hero-secondary {
  background-color: #ffffff;
  color: var(--text-primary) !important;
  border: 1px solid var(--border-color);
  padding: 0.75rem 1.6rem;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
}

.hero-disclosure-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 1rem;
}

/* Sections & Cards */
.section-title {
  font-size: 1.6rem;
  font-weight: 700;
  margin: 2.5rem 0 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--brand-color);
  display: inline-block;
}

.provider-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.provider-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1.5rem;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: transform 0.2s, box-shadow 0.2s;
}

.provider-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.08);
}

.provider-rank-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background-color: var(--brand-color);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
}

.provider-card.primary-top .provider-rank-badge {
  background-color: #e11d48;
}

.provider-header {
  margin-bottom: 0.75rem;
}

.provider-name {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.provider-suitable {
  font-size: 0.85rem;
  color: var(--brand-color);
  font-weight: 600;
}

.provider-meta {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0.75rem 0;
  background-color: var(--bg-secondary);
  padding: 0.75rem;
  border-radius: 6px;
}

.coupon-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #fef2f2;
  border: 1px dashed #fca5a5;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  margin: 0.75rem 0;
  font-size: 0.85rem;
}

.coupon-code {
  font-weight: 700;
  color: #991b1b;
  font-family: monospace;
}

.btn-copy {
  background-color: #ffffff;
  border: 1px solid #fca5a5;
  color: #991b1b;
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  cursor: pointer;
}

/* Dual Link Actions */
.provider-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 1rem;
}

.btn-internal-review {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  text-align: center;
  padding: 0.55rem;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid var(--border-color);
}

.btn-internal-review:hover {
  background-color: var(--border-color);
}

.btn-affiliate-cta {
  background-color: var(--brand-color);
  color: #ffffff !important;
  text-align: center;
  padding: 0.6rem;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 700;
}

.btn-affiliate-cta:hover {
  background-color: var(--brand-hover);
}

/* Comparison Table */
.table-wrapper {
  overflow-x: auto;
  margin: 1.5rem 0;
  border: 1px solid var(--border-color);
  border-radius: 8px;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.comparison-table th {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  font-weight: 700;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.comparison-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.comparison-table td:nth-child(5) {
  white-space: normal;
  min-width: 220px;
}

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

/* Article & Reading Area */
.breadcrumbs {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 1rem;
}

.article-container {
  max-width: var(--article-width);
  margin: 0 auto;
  padding: 1.5rem 0 3rem;
}

.article-header {
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1.5rem;
}

.article-title {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 0.75rem;
}

.article-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.article-body {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text-primary);
}

.article-body h2 {
  font-size: 1.45rem;
  font-weight: 700;
  margin: 2rem 0 1rem;

}

.article-body h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 1.5rem 0 0.75rem;

}

.article-body p {
  margin-bottom: 1.25rem;
}

.article-body ul, .article-body ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.article-body li {
  margin-bottom: 0.4rem;
}

.toc-box {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
}

.toc-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.toc-list {
  list-style: none;
  padding-left: 0;
}

.toc-list li {
  margin-bottom: 0.3rem;
  font-size: 0.9rem;
}

/* FAQ List */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.faq-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.25rem;
  box-shadow: var(--card-shadow);
}

.faq-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.faq-card-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin: 2.5rem 0;
}

.page-item {
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.page-item.active {
  background-color: var(--brand-color);
  color: #fff;
  border-color: var(--brand-color);
}

/* Footer */
.site-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 3rem 0 2rem;
  margin-top: 4rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2rem;
}

.footer-brand-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.footer-seo-text {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.footer-links-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.footer-links-list {
  list-style: none;
  font-size: 0.85rem;
}

.footer-links-list li {
  margin-bottom: 0.4rem;
}

.footer-links-list a {
  color: var(--text-secondary);
}

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

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .hero-title {
    font-size: 1.6rem;
  }
  
  .nav-bar {
    display: none;
  }
  
  .nav-bar.mobile-open {
    display: flex;
    flex-direction: column;
    white-space: normal;
  }
  
  .mobile-menu-toggle {
    display: block;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* 2-Column Home Layout with Left Sidebar (图二左侧空白位置) */
.home-layout-wrapper {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 1.75rem;
  align-items: start;
  margin-top: 1.5rem;
}

/* Quick Provider Sidebar Box (图二 蓝框窄长速查列表) */
.quick-sidebar-box {
  border: 2px solid var(--brand-color);
  border-radius: 12px;
  background-color: #ffffff;
  padding: 1.1rem 0.95rem;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.08);
  position: sticky;
  top: 90px;
}

.quick-sidebar-header {
  border-bottom: 2px solid var(--brand-light);
  padding-bottom: 0.6rem;
  margin-bottom: 0.75rem;
}

.quick-sidebar-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 0.15rem 0;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.quick-sidebar-subtitle {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: block;
}

.quick-sidebar-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  max-height: 720px;
  overflow-y: auto;
  padding-right: 0.2rem;
}

/* Scrollbar styling for smooth scrolling */
.quick-sidebar-list::-webkit-scrollbar {
  width: 4px;
}
.quick-sidebar-list::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}

.quick-sidebar-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background-color: var(--bg-secondary);
  transition: all 0.15s ease;
  gap: 0.5rem;
}

.quick-sidebar-item:hover {
  border-color: var(--brand-color);
  background-color: #ffffff;
  box-shadow: 0 2px 4px rgba(2, 132, 199, 0.06);
}

.quick-sidebar-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.btn-sidebar-aff {
  font-size: 0.75rem;
  font-weight: 600;
  color: #ffffff !important;
  background-color: var(--brand-color);
  padding: 0.22rem 0.55rem;
  border-radius: 4px;
  text-decoration: none !important;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background-color 0.15s ease;
}

.btn-sidebar-aff:hover {
  background-color: var(--brand-hover);
}

@media (max-width: 991px) {
  .home-layout-wrapper {
    grid-template-columns: 1fr;
  }
  
  .quick-sidebar-box {
    position: static;
  }
}