/* Base Styling & Responsive Design */
:root {
  --primary-color: #0d6efd;
  --primary-hover: #0b5ed7;
  --secondary-color: #198754;
  --dark-color: #212529;
  --light-bg: #f8f9fa;
  --border-color: #e9ecef;
  --accent-color: #ff6b00;
  --badge-gold: #ffc107;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

body {
  font-family: var(--font-family);
  line-height: 1.7;
  color: #333;
  background-color: #f4f6f9;
}

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

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Header */
.site-header {
  background: #ffffff;
  border-bottom: 2px solid #e2e8f0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-top-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 24px;
  font-weight: 800;
  color: #1a202c;
}

.logo-badge {
  background: #e53e3e;
  color: #fff;
  font-size: 12px;
  font-weight: bold;
  padding: 2px 6px;
  border-radius: 4px;
}

.brand-slogan {
  font-size: 12px;
  color: #718096;
  margin-top: 2px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Header Live Search */
.header-search {
  position: relative;
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-input-icon {
  position: absolute;
  left: 12px;
  pointer-events: none;
}

.header-search input {
  padding: 8px 14px 8px 34px;
  border: 1px solid #cbd5e0;
  border-radius: 20px;
  font-size: 13.5px;
  width: 270px;
  transition: width 0.3s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  background: #ffffff;
  color: #1e293b;
}

.header-search input:focus {
  outline: none;
  border-color: var(--primary-color);
  width: 320px;
  box-shadow: 0 0 0 3px rgba(13,110,253,0.15);
}

.search-results-dropdown {
  position: absolute;
  top: 44px;
  right: 0;
  width: 380px;
  background: #ffffff;
  border: 1px solid #cbd5e0;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  max-height: 420px;
  overflow-y: auto;
  z-index: 1001;
  padding: 6px 0;
}

.search-result-item {
  display: block;
  padding: 10px 14px;
  border-bottom: 1px solid #edf2f7;
  color: #2d3748;
  text-decoration: none;
  transition: background 0.15s ease;
}

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

.search-result-item:hover {
  background: #f1f5f9;
  text-decoration: none;
}

.search-item-title {
  font-size: 14px;
  color: #0f172a;
  margin-bottom: 4px;
  line-height: 1.4;
}

.search-item-snippet {
  font-size: 12px;
  color: #64748b;
  line-height: 1.4;
}

.search-sec-tag {
  display: inline-block;
  background: #e2e8f0;
  color: #475569;
  font-size: 11px;
  font-weight: bold;
  padding: 1px 6px;
  border-radius: 4px;
  margin-right: 6px;
}

.search-result-empty {
  padding: 16px;
  font-size: 13px;
  color: #64748b;
  text-align: center;
}

.btn-telegram {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #0088cc;
  color: #ffffff !important;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
}

.btn-telegram:hover {
  background: #006699;
  text-decoration: none;
}

/* Nav */
.main-nav {
  background: #1a202c;
}

.nav-list {
  display: flex;
  list-style: none;
  overflow-x: auto;
  white-space: nowrap;
}

.nav-list li a {
  display: block;
  padding: 12px 18px;
  color: #e2e8f0;
  font-size: 15px;
  font-weight: 500;
}

.nav-list li a:hover, .nav-list li a.active {
  background: #2d3748;
  color: #3182ce;
  text-decoration: none;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #ffffff;
  padding: 48px 0;
  border-bottom: 4px solid #3b82f6;
}

.hero-title {
  font-size: 32px;
  line-height: 1.3;
  margin: 12px 0;
  font-weight: 800;
}

.hero-lead {
  font-size: 16px;
  line-height: 1.85;
  color: #e2e8f0;
  max-width: 920px;
  margin: 16px 0 20px 0;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  text-align: justify;
  letter-spacing: 0.3px;
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.2);
}

.hero-keywords-box {
  background: rgba(255,255,255,0.08);
  padding: 10px 16px;
  border-left: 4px solid #3b82f6;
  border-radius: 4px;
  font-size: 14px;
  color: #94a3b8;
  margin-bottom: 24px;
}

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

.btn-hero-primary {
  background: #2563eb;
  color: #ffffff !important;
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: bold;
}

.btn-hero-primary:hover {
  background: #1d4ed8;
  text-decoration: none;
}

.btn-hero-secondary {
  background: rgba(255,255,255,0.15);
  color: #ffffff !important;
  padding: 14px 24px;
  border-radius: 8px;
  font-size: 16px;
}

/* Recommendations Grid & Cards */
.top-recommendations-widget {
  background: #ffffff;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  margin: 32px 0;
}

.widget-header h2 {
  font-size: 24px;
  color: #0f172a;
  margin-bottom: 6px;
}

.widget-subtitle {
  color: #64748b;
  font-size: 14px;
  margin-bottom: 20px;
}

.recommendations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.recommend-card {
  border: 2px solid #e2e8f0;
  border-radius: 10px;
  padding: 20px;
  background: #ffffff;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.recommend-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.recommend-card.rank-1 { border-color: #ef4444; background: #fff5f5; }
.recommend-card.rank-2 { border-color: #f97316; background: #fff7ed; }
.recommend-card.rank-3 { border-color: #3b82f6; background: #eff6ff; }
.recommend-card.rank-4 { border-color: #10b981; background: #ecfdf5; }

.card-badge {
  font-size: 12px;
  font-weight: bold;
  padding: 4px 8px;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 8px;
}

.rank-1 .card-badge { background: #ef4444; color: #fff; }
.rank-2 .card-badge { background: #f97316; color: #fff; }
.rank-3 .card-badge { background: #3b82f6; color: #fff; }
.rank-4 .card-badge { background: #10b981; color: #fff; }

.card-title {
  font-size: 22px;
  font-weight: 800;
  color: #1e293b;
  margin-bottom: 6px;
}

.card-price {
  font-size: 15px;
  color: #475569;
  margin-bottom: 12px;
}

.card-price strong {
  font-size: 20px;
  color: #dc2626;
}

.card-features {
  list-style: none;
  font-size: 13px;
  color: #334155;
  margin-bottom: 16px;
}

.card-features li {
  margin-bottom: 6px;
  padding-left: 18px;
  position: relative;
}

.card-features li::before {
  content: "✔";
  position: absolute;
  left: 0;
  color: #16a34a;
  font-weight: bold;
}

.coupon-code {
  background: #fef08a;
  color: #854d0e;
  padding: 3px 8px;
  font-weight: bold;
  border-radius: 4px;
  font-family: monospace;
  font-size: 13px;
  white-space: nowrap;
}

.card-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: auto;
}

.btn-register {
  display: block;
  text-align: center;
  background: #dc2626;
  color: #ffffff !important;
  font-weight: bold;
  font-size: 15px;
  padding: 12px 14px;
  border-radius: 6px;
  box-shadow: 0 2px 6px rgba(220,38,38,0.3);
  white-space: nowrap;
}

.btn-register:hover {
  background: #b91c1c;
  text-decoration: none;
}

.btn-detail {
  display: block;
  text-align: center;
  background: #ffffff;
  color: #475569 !important;
  border: 1px solid #cbd5e1;
  font-size: 13px;
  padding: 8px 10px;
  border-radius: 6px;
}

.btn-detail:hover {
  background: #f1f5f9;
  text-decoration: none;
}

/* Secondary Providers Grid */
.secondary-providers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.provider-mini-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 16px;
  position: relative;
}

.mini-rank {
  position: absolute;
  top: 12px;
  right: 12px;
  background: #94a3b8;
  color: #fff;
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 4px;
}

.provider-mini-card h4 {
  font-size: 18px;
  margin-bottom: 12px;
  color: #1e293b;
}

.mini-desc {
  font-size: 13px;
  color: #64748b;
  margin-bottom: 12px;
}

.mini-actions {
  display: flex;
  gap: 8px;
}

.btn-mini-register {
  background: #2563eb;
  color: #fff !important;
  padding: 6px 10px;
  font-size: 12px;
  border-radius: 4px;
  font-weight: bold;
}

.btn-mini-detail {
  background: #f1f5f9;
  color: #475569 !important;
  padding: 6px 10px;
  font-size: 12px;
  border-radius: 4px;
}

/* Comparison Table Optimized Styles */
.table-responsive {
  overflow-x: auto;
  border-radius: 10px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  background: #ffffff;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  white-space: nowrap;
}

.comparison-table th {
  background: #0f172a;
  color: #ffffff;
  padding: 14px 16px;
  font-size: 14px;
  font-weight: bold;
  text-align: center;
  border-bottom: 2px solid #334155;
}

.comparison-table td {
  padding: 14px 16px;
  border-bottom: 1px solid #e2e8f0;
  vertical-align: middle;
  font-size: 14px;
  color: #334155;
  text-align: center;
}

.comparison-table td.col-name {
  text-align: left;
  font-size: 15px;
  color: #0f172a;
}

.comparison-table td.col-arch {
  text-align: left;
}

.comparison-table td.col-price {
  font-weight: bold;
  color: #dc2626;
}

.comparison-table td.col-cta {
  text-align: center;
  min-width: 140px;
}

.rank-1-row { background: #fef2f2; }
.rank-2-row { background: #fff7ed; }
.rank-3-row { background: #eff6ff; }
.rank-4-row { background: #ecfdf5; }

.discount-label {
  font-size: 12px;
  color: #dc2626;
  font-weight: bold;
}

.coupon-tag {
  background: #e2e8f0;
  color: #475569;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 12px;
}

.coupon-none {
  color: #94a3b8;
  font-size: 13px;
}

.btn-table-buy {
  display: inline-block;
  white-space: nowrap;
  background: #dc2626;
  color: #ffffff !important;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: bold;
  text-decoration: none;
  box-shadow: 0 2px 4px rgba(220,38,38,0.25);
  transition: background 0.2s ease, transform 0.1s ease;
}

.btn-table-buy:hover {
  background: #b91c1c;
  text-decoration: none;
  transform: translateY(-1px);
}

/* Article & FAQ Inline CTA List Styling (with clear top/bottom spacing & aligned fonts) */
.article-cta-list-wrapper, .faq-cta-wrapper {
  background: #ffffff;
  border: 2px solid #e2e8f0;
  border-radius: 12px;
  padding: 24px 28px;
  margin: 32px 0; /* Clean top and bottom spacing */
  box-shadow: 0 4px 16px rgba(0,0,0,0.05);
}

.cta-list-header h3 {
  font-size: 18px;
  color: #0f172a;
  margin-bottom: 20px;
  font-weight: 800;
  padding-bottom: 12px;
  border-bottom: 2px solid #3b82f6;
  line-height: 1.4;
}

.cta-list-items {
  display: flex;
  flex-direction: column;
  gap: 16px; /* Space between items */
}

.cta-list-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-radius: 10px;
  border: 1px solid #e2e8f0;
  background: #ffffff;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.cta-list-item:hover {
  transform: translateX(4px);
  box-shadow: 0 4px 14px rgba(0,0,0,0.08);
}

.rank-1-item { background: #fef2f2; border-color: #fca5a5; }
.rank-2-item { background: #fff7ed; border-color: #fdba74; }
.rank-3-item { background: #eff6ff; border-color: #93c5fd; }
.rank-4-item { background: #ecfdf5; border-color: #6ee7b7; }

.cta-item-left {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
  padding-right: 20px;
}

.cta-title-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.cta-rank-badge {
  font-size: 13px;
  font-weight: bold;
  padding: 4px 10px;
  border-radius: 4px;
  color: #ffffff;
  letter-spacing: 0.3px;
}

.rank-1-badge { background: #ef4444; }
.rank-2-badge { background: #f97316; }
.rank-3-badge { background: #2563eb; }
.rank-4-badge { background: #10b981; }

.cta-coupon-info {
  font-size: 13px;
  color: #475569;
}

.cta-item-desc {
  font-size: 14px;
  color: #334155;
  line-height: 1.6;
}

.cta-item-right {
  display: flex;
  align-items: center;
}

.btn-cta-list {
  display: inline-block;
  white-space: nowrap;
  background: #dc2626;
  color: #ffffff !important;
  font-weight: bold;
  font-size: 14px;
  padding: 10px 20px;
  border-radius: 6px;
  box-shadow: 0 2px 6px rgba(220,38,38,0.3);
  text-decoration: none;
  transition: background 0.2s ease, transform 0.1s ease;
}

.btn-cta-list:hover {
  background: #b91c1c;
  text-decoration: none;
  transform: translateY(-1px);
}

@media (max-width: 640px) {
  .cta-list-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .cta-item-right {
    width: 100%;
  }
  .btn-cta-list {
    width: 100%;
    text-align: center;
  }
}

/* Hubs Grid */
.hubs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}

.hub-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.03);
}

.hub-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
  color: #0f172a;
}

.hub-card p {
  font-size: 14px;
  color: #64748b;
  margin-bottom: 12px;
}

.hub-link {
  font-weight: bold;
  color: #2563eb;
}

/* Section Block */
.section-block {
  margin: 36px 0;
}

/* Article Detail Page */
.page-content-container {
  background: #ffffff;
  padding: 32px;
  border-radius: 12px;
  margin: 24px auto;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.breadcrumb-trail {
  font-size: 13px;
  color: #64748b;
  margin-bottom: 16px;
}

.article-header h1 {
  font-size: 28px;
  color: #0f172a;
  margin-bottom: 12px;
}

.article-meta {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: #64748b;
  padding-bottom: 16px;
  border-bottom: 1px solid #e2e8f0;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.article-body h2 {
  font-size: 22px;
  margin: 28px 0 14px 0;
  padding-bottom: 8px;
  border-bottom: 2px solid #3b82f6;
  color: #1e293b;
}

.article-body h3 {
  font-size: 18px;
  margin: 20px 0 10px 0;
  color: #334155;
}

.article-body p {
  margin-bottom: 16px;
  color: #334155;
  font-size: 16px;
}

.article-body ul, .article-body ol {
  margin-bottom: 16px;
  padding-left: 24px;
}

.article-body li {
  margin-bottom: 8px;
}

.article-footer-cta {
  background: #eff6ff;
  border: 2px dashed #3b82f6;
  padding: 24px;
  border-radius: 8px;
  margin-top: 40px;
  text-align: center;
}

.btn-telegram-large {
  display: inline-block;
  background: #0088cc;
  color: #ffffff !important;
  font-weight: bold;
  padding: 12px 24px;
  border-radius: 25px;
  font-size: 16px;
  margin-top: 12px;
}

/* FAQ Details Expandable */
.faq-accordion-section {
  margin-top: 24px;
}

.faq-item {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  margin-bottom: 20px;
  padding: 20px 24px;
}

.faq-question {
  font-size: 18px;
  font-weight: bold;
  cursor: pointer;
  color: #0f172a;
  margin-bottom: 8px;
}

.faq-icon {
  color: #2563eb;
  margin-right: 6px;
}

.faq-answer {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid #e2e8f0;
  color: #334155;
  font-size: 15px;
}

.faq-permalink {
  display: inline-block;
  margin-top: 14px;
  font-size: 13px;
  font-weight: bold;
}

/* Footer */
.site-footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 48px 0 24px 0;
  margin-top: 60px;
  font-size: 14px;
}

.footer-widgets {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-widget h3, .footer-widget h4 {
  color: #ffffff;
  margin-bottom: 12px;
}

.footer-widget ul {
  list-style: none;
}

.footer-widget ul li {
  margin-bottom: 8px;
}

.footer-widget ul li a {
  color: #cbd5e1;
}

.footer-widget ul li a:hover {
  color: #ffffff;
}

.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 20px;
  text-align: center;
  font-size: 13px;
}

.affiliate-notice {
  margin-top: 8px;
  color: #64748b;
}

/* Responsive */
@media (max-width: 768px) {
  .header-top-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .header-right {
    width: 100%;
    flex-wrap: wrap;
    justify-content: space-between;
  }
  .header-search input {
    width: 100%;
  }
  .footer-widgets {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 24px;
  }
  .btn-hero-primary, .btn-hero-secondary {
    width: 100%;
    text-align: center;
  }
}


/* Article Summary Card (图框模式) */
.articles-list-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 24px;
}

.article-summary-card {
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  border-radius: 12px;
  padding: 22px 26px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.03);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.article-summary-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  border-color: #3b82f6;
}

.article-summary-card h2 {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 10px;
  line-height: 1.4;
}

.article-summary-card h2 a {
  color: #0f172a;
  text-decoration: none;
  transition: color 0.2s ease;
}

.article-summary-card h2 a:hover {
  color: #2563eb;
}

.article-summary-card .summary-text {
  font-size: 14.5px;
  color: #475569;
  line-height: 1.6;
  margin-bottom: 16px;
}

.summary-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid #f1f5f9;
  font-size: 13px;
  color: #64748b;
}

.read-more-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #eff6ff;
  color: #2563eb !important;
  font-weight: bold;
  padding: 6px 14px;
  border-radius: 6px;
  border: 1px solid #bfdbfe;
  font-size: 13px;
  transition: background 0.2s ease, color 0.2s ease;
}

.read-more-link:hover {
  background: #2563eb;
  color: #ffffff !important;
  text-decoration: none;
}

/* Site Introduction & Full Guide Article Styles */
.site-intro-guide-block {
  margin-bottom: 40px;
}

.site-welcome-card {
  background: linear-gradient(135deg, #f8fafc 0%, #edf2f7 100%);
  border: 1px solid #cbd5e1;
  border-left: 6px solid #2563eb;
  border-radius: 12px;
  padding: 24px 28px;
  margin-bottom: 28px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.welcome-title {
  font-size: 22px;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 12px;
}

.welcome-desc {
  font-size: 15px;
  color: #334155;
  line-height: 1.8;
  margin-bottom: 10px;
  text-align: justify;
}

.welcome-desc:last-child {
  margin-bottom: 0;
}

.homepage-article-content {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 36px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}

.article-lead-box {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-left: 5px solid #3b82f6;
  border-radius: 8px;
  padding: 18px 22px;
  font-size: 15px;
  line-height: 1.85;
  color: #1e40af;
  margin-bottom: 32px;
  text-align: justify;
}

.article-section-item {
  margin-bottom: 36px;
}

.article-section-item:last-child {
  margin-bottom: 0;
}

.article-section-item h3 {
  font-size: 20px;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid #f1f5f9;
}

.article-section-item p {
  font-size: 15px;
  line-height: 1.8;
  color: #334155;
  margin-bottom: 14px;
}

.protocol-table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
  border: 1px solid #cbd5e1;
}

.protocol-table th {
  background: #f1f5f9;
  padding: 12px 14px;
  text-align: left;
  font-size: 14px;
  font-weight: 700;
  color: #0f172a;
  border: 1px solid #cbd5e1;
}

.protocol-table td {
  padding: 12px 14px;
  font-size: 14px;
  color: #334155;
  border: 1px solid #e2e8f0;
  line-height: 1.6;
}

.protocol-table tbody tr:nth-child(even) {
  background: #f8fafc;
}

.conclusion-box {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-left: 5px solid #16a34a;
  padding: 14px 18px;
  border-radius: 8px;
  color: #166534;
  font-size: 14.5px;
  line-height: 1.7;
  margin-top: 18px;
}

.conclusion-box code {
  background: #dcfce7;
  color: #14532d;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: bold;
}

.line-types-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.line-type-card {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 20px;
}

.line-type-card h4 {
  font-size: 17px;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 8px;
}

.line-status {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 6px;
  font-size: 13.5px;
  line-height: 1.65;
}

.status-warning {
  background: #fffbebfb;
  border: 1px solid #fef3c7;
  color: #92400e;
}

.status-good {
  background: #f0fdf4;
  border: 1px solid #dcfce7;
  color: #166534;
}

.feature-bullets {
  margin-top: 12px;
  padding-left: 20px;
  font-size: 13.5px;
  color: #334155;
  line-height: 1.75;
}

.ecosystem-tree-box {
  background: #0f172a;
  color: #38bdf8;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  padding: 20px 24px;
  border-radius: 10px;
  font-size: 14px;
  line-height: 2;
  margin: 18px 0;
  overflow-x: auto;
}

.ecosystem-tree-box code {
  background: rgba(56, 189, 248, 0.18);
  color: #7dd3fc;
  padding: 2px 7px;
  border-radius: 4px;
}

.platform-details-list {
  list-style: none;
  padding: 0;
  margin-top: 18px;
}

.platform-details-list li {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 14px 18px;
  margin-bottom: 10px;
  font-size: 14.5px;
  line-height: 1.75;
  color: #334155;
}

.platform-details-list li code {
  background: #e2e8f0;
  color: #1e293b;
  padding: 2px 6px;
  border-radius: 4px;
}

.pitfalls-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 18px;
}

.pitfall-item {
  display: flex;
  gap: 16px;
  background: #fff1f2;
  border: 1px solid #fecdd3;
  border-radius: 10px;
  padding: 18px;
}

.pitfall-num {
  background: #e11d48;
  color: #ffffff;
  font-weight: bold;
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 20px;
  align-self: flex-start;
  white-space: nowrap;
}

.pitfall-content h4 {
  font-size: 16px;
  font-weight: 700;
  color: #9f1239;
  margin-bottom: 6px;
}

.pitfall-content p {
  font-size: 14px;
  color: #4c0519;
  margin-bottom: 6px;
  line-height: 1.65;
}

.suggestion-tip {
  margin-top: 6px !important;
  color: #be123c !important;
  font-weight: 600;
}

.checklist-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.check-item {
  display: flex;
  gap: 14px;
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  border-radius: 10px;
  padding: 16px;
}

.check-icon {
  font-size: 26px;
  line-height: 1;
}

.check-info h4 {
  font-size: 15.5px;
  font-weight: 700;
  color: #0369a1;
  margin-bottom: 6px;
}

.check-info p {
  font-size: 13.5px;
  color: #0c4a6e;
  line-height: 1.65;
  margin: 0;
}

/* Provider Single Overview Card Styles */
.provider-overview-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-left: 6px solid #2563eb;
  border-radius: 12px;
  padding: 28px 32px;
  margin: 32px 0;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
}

.overview-section-title {
  font-size: 20px;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid #2563eb;
}

.overview-params-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.overview-params-list > li {
  font-size: 15px;
  color: #334155;
  line-height: 1.95;
  margin-bottom: 10px;
  padding-left: 20px;
  position: relative;
}

.overview-params-list > li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: #2563eb;
  font-weight: bold;
  font-size: 18px;
}

.overview-params-list > li strong {
  color: #1e293b;
  font-weight: 700;
}

.packages-detail-item {
  margin: 12px 0 !important;
}

.sub-packages-list {
  list-style: none;
  padding: 10px 16px;
  margin: 8px 0 0 0;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
}

.sub-packages-list li {
  font-size: 14.5px;
  color: #1e293b;
  line-height: 1.8;
  padding: 4px 0;
  border-bottom: 1px dashed #e2e8f0;
}

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

.pkg-badge {
  margin-right: 6px;
}

.overview-cta-link {
  color: #2563eb !important;
  font-weight: bold;
  text-decoration: underline;
}

.overview-cta-link:hover {
  color: #1d4ed8 !important;
}

.faq-single-recommendations {
  margin-bottom: 32px;
}

/* Homepage Guide Architecture & HEX-Metric Styles */
.site-welcome-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 28px 32px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
  margin-bottom: 32px;
}

.welcome-title {
  font-size: 22px;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid #e2e8f0;
  line-height: 1.5;
  letter-spacing: 0.3px;
}

.welcome-desc {
  font-size: 15px;
  line-height: 1.85;
  color: #334155;
  margin-bottom: 16px;
  text-align: justify;
}

.mission-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 24px;
  padding: 0;
  list-style: none;
}

.mission-list li {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-top: 3px solid #2563eb;
  border-radius: 8px;
  padding: 16px 18px;
  font-size: 14px;
  line-height: 1.75;
  color: #334155;
  margin-bottom: 0;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
}

.mission-list li strong {
  color: #0f172a;
  font-size: 15px;
  display: block;
  margin-bottom: 6px;
}

.homepage-article-content {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 32px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
  margin-bottom: 36px;
}

.article-section-item {
  margin-bottom: 36px;
}

.article-section-item:last-child {
  margin-bottom: 0;
}

.article-section-item h3 {
  font-size: 20px;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 18px;
  padding-left: 14px;
  border-left: 4px solid #2563eb;
  line-height: 1.4;
}

.article-section-item > p {
  font-size: 15px;
  color: #475569;
  line-height: 1.8;
  margin-bottom: 20px;
}

.hub-sections-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 20px;
  margin-bottom: 24px;
}

@media (max-width: 768px) {
  .hub-sections-grid {
    grid-template-columns: 1fr;
  }
}

.hub-section-card {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.hub-section-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
  border-color: #94a3b8;
}

.hub-section-card h4 {
  font-size: 17px;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 12px;
  border-bottom: 2px solid #2563eb;
  padding-bottom: 8px;
  line-height: 1.4;
}

.hub-section-card p {
  font-size: 14px;
  color: #475569;
  line-height: 1.7;
  margin-bottom: 16px;
}

.hub-section-card ul {
  padding: 0;
  margin: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hub-section-card li {
  font-size: 13.5px;
  line-height: 1.7;
  color: #334155;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-left: 3px solid #3b82f6;
  border-radius: 6px;
  padding: 10px 14px;
  margin: 0;
}

.hub-section-card li strong {
  color: #0f172a;
  font-weight: 700;
}

.trend-table {
  margin-top: 16px;
  margin-bottom: 16px;
}

.trend-table th {
  background: #0f172a !important;
  color: #ffffff !important;
  font-weight: 800;
  font-size: 14.5px;
}

.hex-metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  margin-top: 24px;
  margin-bottom: 24px;
}

.metric-card {
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  border-radius: 10px;
  padding: 20px;
  position: relative;
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.05);
}

.metric-weight {
  position: absolute;
  top: 16px;
  right: 16px;
  background: #0284c7;
  color: #ffffff;
  font-size: 12px;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 20px;
}

.metric-card h4 {
  font-size: 16px;
  font-weight: 800;
  color: #0369a1;
  margin-bottom: 10px;
  padding-right: 55px;
}

.metric-card p {
  font-size: 14px;
  color: #0c4a6e;
  line-height: 1.7;
  margin: 0;
}

.disclaimer-alert-box {
  background: #fffbebfb;
  border: 1px solid #fef3c7;
  border-left: 6px solid #d97706;
  border-radius: 10px;
  padding: 24px 28px;
  margin-top: 24px;
  margin-bottom: 12px;
}

.disclaimer-alert-box h4 {
  font-size: 17.5px;
  font-weight: 800;
  color: #92400e;
  margin-bottom: 10px;
}

.disclaimer-alert-box p {
  font-size: 14.5px;
  color: #78350f;
  line-height: 1.85;
  margin: 0;
  text-align: justify;
}