/*
 * Main Stylesheet v2
 * Matches preview template design
 */

/* ===========================================
   Reset & Variables
   =========================================== */
*, *::before, *::after { 
  box-sizing: border-box; 
  margin: 0; 
  padding: 0; 
}

:root {
  --color-black: #1a1a1a;
  --color-gray-dark: #4a4a4a;
  --color-gray: #737373;
  --color-gray-light: #e5e5e5;
  --color-white: #fff;
  --font-serif: Georgia, 'Times New Roman', serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
  font-family: var(--font-serif);
  color: var(--color-black);
  background: var(--color-white);
  line-height: 1.6;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

/* Global image responsiveness */
img {
  max-width: 100%;
  height: auto;
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-black);
  color: var(--color-white);
  padding: 8px 16px;
  z-index: 1000;
  text-decoration: none;
  font-size: 0.9rem;
}

.skip-link:focus {
  top: 0;
}

/* Focus styles for accessibility */
:focus-visible {
  outline: 2px solid var(--color-black);
  outline-offset: 2px;
}

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--color-black);
  outline-offset: 2px;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ===========================================
   Header
   =========================================== */
.site-header {
  background: var(--color-white);
  border-bottom: 3px double var(--color-black);
  padding: 1.8rem 0 1.5rem;
  max-width: 1050px;
  margin: 0 auto;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

.logo-main {
  font-size: 2.2rem;
  font-family: var(--font-serif);
  font-weight: bold;
  font-style: italic;
  letter-spacing: 0.12em;
}

.logo-sub {
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gray);
  margin-top: 0.3rem;
  white-space: nowrap;
}

/* Image Logo */
.logo-img {
  max-height: 2.2rem;
  max-width: 90%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}

/* ===========================================
   Navigation
   =========================================== */
.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.site-nav ul {
  display: flex;
  list-style: none;
  gap: 1.5rem;
}

.site-nav li {
  position: relative;
  padding: 6px 0.75rem;
  margin: 0 -0.75rem;
}

.site-nav li::before,
.site-nav li::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-gray-dark);
  opacity: 0;
  transition: opacity 0.2s;
}

.site-nav li::before { top: 0; }
.site-nav li::after { bottom: 0; }

.site-nav li:hover::before,
.site-nav li:hover::after,
.site-nav li.active::before,
.site-nav li.active::after {
  opacity: 1;
}

.site-nav a {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  color: #666;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.site-nav li:hover a,
.site-nav li.active a {
  color: var(--color-gray-dark);
}


/* ===========================================
   Mobile Navigation
   =========================================== */
.mobile-only {
  display: none;
}

.desktop-only {
  display: flex;
  align-items: center;
}

.site-nav.desktop-only {
  gap: 1.5rem;
}

/* 宽屏下搜索按钮：去掉min-width让按钮只包裹图标，间距由gap控制 */
.site-nav.desktop-only .search-toggle {
  min-width: auto;
}

.mobile-header {
  display: none;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.nav-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem 0;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  color: #666;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-toggle .hamburger-icon {
  font-size: 1.2rem;
  line-height: 0.9rem;
  width: 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 0.9rem;
}

.nav-toggle .close-icon {
  font-size: 0.9rem;
  line-height: 0.9rem;
  width: 1rem;
  display: none;
  align-items: center;
  justify-content: center;
  height: 0.9rem;
  -webkit-text-stroke: 0.5px currentColor;
}

.nav-toggle.active .hamburger-icon {
  display: none;
}

.nav-toggle.active .close-icon {
  display: inline;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  min-width: 160px;
  z-index: 100;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu-item {
  padding: 0.75rem 2.6rem;
  min-height: 44px;
  display: flex;
  align-items: center;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-gray);
  letter-spacing: 0.05em;
  position: relative;
}

.mobile-menu-item::before {
  content: '»';
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-55%);
  width: 1rem;
  text-align: center;
  line-height: 1;
  opacity: 0;
  transition: opacity 0.2s;
}

.mobile-menu-item:hover,
.mobile-menu-item.active {
  color: var(--color-black);
}

.mobile-menu-item:hover::before {
  opacity: 1;
}

/* ===========================================
   Search Toggle & Popup
   =========================================== */
.search-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-gray);
  padding: 10px 0;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s;
}

.search-toggle:hover,
.search-toggle.active {
  color: var(--color-black);
}

.icon {
  width: 18px;
  height: 18px;
}

.search-popup {
  max-height: 0;
  overflow: hidden;
  background: var(--color-white);
  border-bottom: none;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.search-popup.open {
  max-height: 80vh;
  padding: 1.5rem 0 0.5rem;
  overflow-y: auto;
}

.search-popup-inner {
  display: flex;
  align-items: center;
  border-bottom: 1px dashed var(--color-gray);
  padding-bottom: 0.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.search-popup input {
  flex: 1;
  border: none;
  outline: none;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: normal;
  background: transparent;
}

.search-popup input:focus-visible {
  outline: none;
}

.search-popup-inner:focus-within {
  border-bottom-color: var(--color-black);
}

.search-popup input::placeholder {
  color: var(--color-gray);
}

.search-popup button {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-gray);
  padding: 0;
  display: flex;
}

.search-popup button:hover {
  color: var(--color-black);
}

/* ===========================================
   Footer
   =========================================== */
.site-footer {
  background: var(--color-white);
  border-top: 3px double var(--color-black);
  padding: 1.5rem 0;
  margin-top: 1rem;
  max-width: 1050px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-gray);
}

.footer-inner a:hover {
  color: var(--color-black);
}

.footer-links a {
  margin-left: 1rem;
}

/* ===========================================
   Homepage Sections
   =========================================== */
.section {
  padding: 1rem 0;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.section-title {
  font-size: 0.9rem;
  font-weight: bold;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.section-title::before {
  content: '';
  flex-shrink: 0;
  width: 1em;
  height: 1px;
  background: var(--color-black);
  margin-right: 0.75rem;
}

.section-title {
  display: flex;
  align-items: center;
}

.section-line {
  flex: 1;
  height: 1px;
  background: var(--color-black);
}

/* ===========================================
   Card Grid (News/Knowledge List & Homepage)
   =========================================== */
.list-content {
  padding: 0 0 1rem 0;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.card {
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-gray-light);
}

.card-date {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--color-gray);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.card-title {
  font-size: 1.15rem;
  font-weight: bold;
  line-height: 1.35;
  margin-bottom: 0.4rem;
  text-shadow: 0.3px 0 0 currentColor;
}

.card-title a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.card-excerpt {
  font-size: 0.9rem;
  color: var(--color-gray-dark);
  line-height: 1.7;
  margin-bottom: 1rem;
  text-align: justify;
}

.card-link {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-gray);
}

.card-link:hover {
  color: var(--color-black);
}

/* ===========================================
   Directory Grid (Homepage Companies & Products)
   =========================================== */
.directory-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 0;
}

.directory-card {
  display: block;
  padding: 0.75rem 1.25rem 1rem;
  border: 1px solid var(--color-gray-light);
  transition: border-color 0.2s;
}

.directory-card:hover {
  border-color: var(--color-gray);
}

.directory-type {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  color: var(--color-gray);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1;
}

.directory-name {
  font-size: 1.05rem;
  font-weight: bold;
  margin: 0.3rem 0 0.4rem;
  line-height: 1.3;
}

.directory-desc {
  font-size: 0.85rem;
  color: var(--color-gray-dark);
  line-height: 1.5;
  text-align: left;
  margin: 0;
}

/* ===========================================
   Alpha List (Companies/Products List Pages)
   =========================================== */
.page-header {
  padding: 1.5rem 0;
  border-bottom: none;
  margin-bottom: 0;
}

.page-count {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--color-gray);
}

/* Horizontal alpha nav (desktop/tablet) */
.alpha-nav-horizontal {
  display: flex;
  flex-wrap: nowrap;
  justify-content: space-between;
  margin-bottom: 2rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
}

.alpha-nav-horizontal a {
  padding: 0.3rem 0.6rem;
  color: var(--color-gray);
  border: 1px solid transparent;
}

.alpha-nav-horizontal a:hover {
  color: var(--color-black);
  border-color: var(--color-gray-light);
}

.alpha-nav-horizontal a.disabled {
  color: var(--color-gray-light);
  pointer-events: none;
}

/* Vertical sidebar alpha nav (mobile) */
.alpha-nav-sidebar {
  display: none;
  position: fixed;
  right: 0.25rem;
  top: 50%;
  transform: translateY(-50%);
  flex-direction: column;
  align-items: center;
  z-index: 50;
  background: rgba(255, 255, 255, 0.9);
  padding: 0.5rem 0.3rem;
  padding-bottom: calc(0.5rem + env(safe-area-inset-bottom, 0px));
  border-radius: 1rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  max-height: calc(75vh - env(safe-area-inset-bottom, 0px));
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  overflow: hidden;
}

.alpha-nav-sidebar.visible {
  opacity: 1;
  pointer-events: auto;
}

.alpha-nav-sidebar a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.4rem;
  /* 26 letters + padding, fit within 75vh */
  height: calc((75vh - 1rem) / 26);
  max-height: 1.4rem;
  min-height: 0.9rem;
  font-family: var(--font-sans);
  font-size: clamp(0.55rem, 2.2vh, 0.7rem);
  font-weight: 500;
  color: var(--color-gray);
  text-decoration: none;
  transition: color 0.15s, transform 0.15s;
}

.alpha-nav-sidebar a:hover {
  color: var(--color-black);
}

.alpha-nav-sidebar a.active {
  color: var(--color-black);
  font-weight: 700;
}

.alpha-nav-sidebar a.disabled {
  color: var(--color-gray-light);
  pointer-events: none;
}

/* Touch interaction state */
.alpha-nav-sidebar.is-touching {
  background: rgba(255, 255, 255, 0.95);
}

.alpha-nav-sidebar a.touching {
  color: var(--color-black);
  font-weight: 700;
  transform: scale(1.8);
}

/* Slider mode (landscape/short screens) - hide full letter bar, show single letter */
.alpha-nav-sidebar.slider-mode {
  padding: 0.5rem;
  border-radius: 50%;
  width: 2.5rem;
  height: 2.5rem;
  max-height: none;
  justify-content: center;
  cursor: grab;
}

.alpha-nav-sidebar.slider-mode:active {
  cursor: grabbing;
}

.alpha-nav-sidebar.slider-mode a {
  display: none;
}

.alpha-nav-sidebar.slider-mode .slider-letter {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-black);
}

/* Slider letter element (hidden by default, shown in slider mode) */
.slider-letter {
  display: none;
}

/* Letter indicator (center of screen) */
.alpha-indicator {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  font-family: var(--font-sans);
  font-size: 2.5rem;
  font-weight: 700;
  border-radius: 12px;
  align-items: center;
  justify-content: center;
  z-index: 100;
  pointer-events: none;
}

.alpha-indicator.visible {
  display: flex;
}

.alpha-section {
  margin-bottom: 2.5rem;
  width: 100%;
}

.alpha-letter {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: bold;
  color: var(--color-gray-light);
  border-bottom: 1px solid var(--color-gray-light);
  padding-bottom: 0.5rem;
  margin-bottom: 0.5rem;
}

.company-list,
.product-list {
  list-style: none;
  width: 100%;
  padding: 0;
  margin: 0;
}

.company-item,
.product-item {
  padding: 0.8rem 0;
  border-bottom: none;
  display: flex;
  align-items: baseline;
  gap: 1rem;
  width: 100%;
}

.company-item:last-child,
.product-item:last-child {
  border-bottom: none;
}

.company-name,
.product-name {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: bold;
  flex-shrink: 0;
}

.company-name a:hover,
.product-name a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.company-location,
.product-company {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--color-gray);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  flex-shrink: 0;
}

.company-desc,
.product-desc {
  font-size: 0.9rem;
  color: var(--color-gray-dark);
  flex: 1;
  text-align: justify;
}

/* ===========================================
   Company/Product Detail Pages
   =========================================== */
.company-header,
.product-header {
  padding: 2rem 0 1.5rem;
  border-bottom: 1px solid var(--color-gray-light);
}

.company-meta,
.product-meta {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-gray);
  margin-bottom: 0.5rem;
}

.company-meta a,
.product-meta a {
  color: var(--color-gray);
}

.company-meta a:hover,
.product-meta a:hover {
  color: var(--color-black);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.company-header .company-name,
.product-header .product-name {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: bold;
  line-height: 1.2;
}

.lastmod-date {
  display: block;
  text-align: right;
  margin-top: 1rem;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  color: var(--color-gray);
  font-style: italic;
}

.company-info,
.product-info {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2rem;
  padding: 1rem 0;
}

.company-sidebar,
.product-sidebar {
  border-right: 1px solid var(--color-gray-light);
  padding-right: 2rem;
  padding-top: 0;
}

.company-content,
.product-content {
  padding-top: 0;
}

.company-content > p:first-child,
.product-content > p:first-child {
  margin-top: 0;
}

.info-section {
  margin-bottom: 1rem;
}

.info-label {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  color: var(--color-gray);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.info-section:first-child .info-label {
  margin-top: 0.25rem;
}

.info-value {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--color-black);
}

.info-value a {
  color: var(--color-gray-dark);
}

.info-value a:hover {
  text-decoration: underline;
  text-underline-offset: 2px;
}

.company-content,
.product-content {
  min-width: 0;
}

.company-content p,
.product-content p {
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 1rem;
  text-align: justify;
}

.company-content h2,
.product-content h2 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: bold;
  margin: 2rem 0 1rem;
}

.company-content h3,
.product-content h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: bold;
  margin: 1.5rem 0 0.75rem;
}

.company-content ul,
.product-content ul {
  margin: 1rem 0 1.5rem 0;
  padding-left: 1.5rem;
  list-style-type: square;
  list-style-position: outside;
}

.company-content ol,
.product-content ol {
  margin: 1rem 0 1.5rem 0;
  padding-left: 1.5rem;
  list-style-position: outside;
}

.company-content li,
.product-content li {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
  line-height: 1.7;
  text-align: justify;
}

/* ===========================================
   Article Pages (News/Knowledge Single)
   =========================================== */
.article-header {
  padding: 2rem 0 1.2rem;
  border-bottom: 1px solid var(--color-gray-light);
  margin-bottom: 1.2rem;
}

.article-meta {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-gray);
  margin-bottom: 0.5rem;
}

.article-meta a {
  color: var(--color-gray);
}

.article-meta a:hover {
  color: var(--color-black);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-title {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: bold;
  line-height: 1.2;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.article-content {
  padding-bottom: 0;
  margin-bottom: 1rem;
}

/* For pages without tags/related (about, privacy, terms) */
article > .article-content:last-child {
  padding-bottom: 1.5rem;
}

.article-content p {
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 0;
  text-align: justify;
}

.article-content h2 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: bold;
  margin: 2rem 0 1rem;
}

.article-content h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: bold;
  margin: 1.75rem 0 0.6rem;
}

.article-content h4 {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-gray-dark);
  margin: 1rem 0 0.4rem;
}

.article-content h4::before {
  content: '- ';
}

.article-content ul,
.article-content ol {
  margin: 0.35rem 0 0.35rem 1.5rem;
  padding-left: 0;
  list-style-position: outside;
}

.article-content li {
  font-size: 1.05rem;
  margin-bottom: 0.15rem;
  line-height: 1.7;
  text-align: justify;
}

/* Legal notice (Privacy/Terms footer) */
.legal-notice {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-gray-light);
  font-size: 0.9rem;
  color: var(--color-gray);
  text-align: center;
}

/* ===========================================
   Related Sections
   =========================================== */
.related-section,
.related-posts {
  margin-top: 2rem;
  margin-bottom: 1.5rem;
  padding-top: 0;
  border-top: none;
}

.related-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.related-title {
  font-size: 0.9rem;
  font-weight: bold;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
}

.related-title::before {
  content: '';
  flex-shrink: 0;
  width: 1em;
  height: 1px;
  background: var(--color-black);
  margin-right: 0.75rem;
}

.related-line {
  flex: 1;
  height: 1px;
  background: var(--color-black);
}

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

.related-list .related-item {
  padding: 0.6rem 0;
  margin-bottom: 0;
  line-height: inherit;
  border-bottom: 1px solid var(--color-gray-light);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
}

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

.related-item-title {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: bold;
}

.related-item-title a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.related-item-meta {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--color-gray);
  white-space: nowrap;
}

/* Related Grid (Article pages) */
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

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

.related-grid .related-item {
  display: block;
  padding-top: 1rem;
  border-top: 1px solid var(--color-gray-light);
  border-bottom: none;
}

.related-date {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  color: var(--color-gray);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.4rem;
}

.related-grid .related-item h4 {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: bold;
  line-height: 1.35;
  margin: 0;
}

.related-grid .related-item h4 a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.related-excerpt,
.product-content .related-posts .related-excerpt,
.company-content .related-posts .related-excerpt {
  font-size: 0.9rem !important;
  color: var(--color-gray-dark) !important;
  line-height: 1.6 !important;
  margin: 0.5rem 0 0 0 !important;
  text-align: left !important;
}

/* ===========================================
   Page Content (About, etc.)
   =========================================== */
.page-content {
  padding: 2rem 0;
}

.page-content h1 {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-black);
  padding-bottom: 0.5rem;
}

.page-content h2 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: bold;
  margin: 2rem 0 0.75rem;
  color: var(--color-black);
}

.page-content h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: bold;
  margin: 1.5rem 0 0.5rem;
  color: var(--color-gray-dark);
}

.page-content h4 {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: bold;
  margin: 2.25rem 0 0.5rem;
  color: var(--color-black);
}

.page-content p {
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 1rem;
  text-align: justify;
}

.page-content ul,
.page-content ol {
  margin: 0.75rem 0 1.25rem 1.5rem;
}

.page-content li {
  font-size: 1rem;
  margin-bottom: 0.4rem;
  line-height: 1.7;
}

.page-content strong {
  font-weight: bold;
  color: var(--color-black);
}

/* Tables in all content types */
.page-content table,
.article-content table,
.product-content table,
.company-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.95rem;
  border: 1px solid var(--color-gray-light);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.page-content th,
.page-content td,
.article-content th,
.article-content td,
.product-content th,
.product-content td,
.company-content th,
.company-content td {
  padding: 0.85rem 1rem;
  text-align: left;
  border: 1px solid var(--color-gray-light);
  vertical-align: top;
}

.page-content th,
.article-content th,
.product-content th,
.company-content th {
  font-family: var(--font-serif);
  font-weight: bold;
  background: #f8f8f8;
  color: var(--color-black);
  font-size: 0.9rem;
}

.page-content tbody tr:hover,
.article-content tbody tr:hover,
.product-content tbody tr:hover,
.company-content tbody tr:hover {
  background: #fafafa;
}

/* Horizontal rule */
.page-content hr {
  border: none;
  border-top: 1px solid var(--color-gray-light);
  margin: 2rem 0;
}

/* Blockquote */
.page-content blockquote {
  border-left: 3px solid var(--color-gray-light);
  padding-left: 1rem;
  margin: 1rem 0;
  color: var(--color-gray-dark);
  font-style: italic;
}

/* Code */
.page-content code {
  background: #f5f5f5;
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  font-size: 0.9em;
}

/* Links */
.page-content a {
  color: var(--color-gray-dark);
  text-decoration: underline;
}

.page-content a:hover {
  color: var(--color-black);
}

.contact-info {
  margin-top: 1rem;
  padding: 1.5rem;
  background: #fafafa;
  border: 1px solid var(--color-gray-light);
}

.contact-info h3 {
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.contact-info p {
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.contact-info a {
  color: var(--color-gray-dark);
}

.contact-info a:hover {
  text-decoration: underline;
}

/* ===========================================
   404 Page
   =========================================== */
.error-page-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 50vh;
}

.error-content {
  text-align: center;
  padding: 3rem 2rem;
}

.error-code {
  font-family: var(--font-serif);
  font-size: 8rem;
  font-weight: bold;
  color: var(--color-gray-light);
  line-height: 1;
  margin-bottom: 1rem;
}

.error-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: bold;
  margin-bottom: 1rem;
}

.error-message {
  font-size: 0.9rem;
  color: var(--color-gray);
  margin-bottom: 2rem;
}

.error-link {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--color-black);
  color: var(--color-black);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: background 0.2s, color 0.2s;
}

.error-link:hover {
  background: var(--color-black);
  color: var(--color-white);
}

/* ===========================================
   Search Results Page
   =========================================== */
.search-header {
  padding: 2rem 0 1.2rem;
  border-bottom: 1px solid var(--color-gray-light);
  margin-bottom: 0;
}

.search-title {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: bold;
  line-height: 1.2;
  margin: 0;
}

.search-result {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-gray-light);
}

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

.result-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: bold;
  margin: 0 0 0.5rem 0;
}

.result-title a {
  color: var(--color-black);
  text-decoration: none;
}

.result-title a:hover {
  color: var(--color-gray);
}

.result-excerpt {
  font-size: 1.05rem;
  color: var(--color-gray-dark);
  line-height: 1.8;
  margin: 0;
  text-align: justify;
}

.result-excerpt mark {
  background: #fff3cd;
  color: inherit;
  padding: 0 2px;
  font-weight: bold;
}

.search-no-results {
  color: var(--color-gray);
  font-size: 1rem;
  padding: 2rem 0;
}

/* ===========================================
   Pagination
   =========================================== */
.pagination {
  display: flex;
  justify-content: center;
  margin: 2rem 0 0;
  padding: 1.5rem 0 0.5rem;
  border-top: 1px solid var(--color-gray-light);
  font-family: var(--font-sans);
  font-size: 0.85rem;
}

.page-numbers {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.75rem;
  min-height: 2.75rem;
  padding: 0 0.5rem;
  color: var(--color-gray);
  border: 1px solid transparent;
  text-decoration: none;
  line-height: 1;
}

.page-link:hover {
  color: var(--color-black);
}

.page-link.active {
  color: var(--color-black);
  border-color: var(--color-gray-light);
}

.page-link.disabled {
  color: var(--color-gray-light);
  pointer-events: none;
}

.page-link.arrow {
  position: relative;
  top: -1px;
}

/* ===========================================
   Ad Slot
   =========================================== */


/* ===========================================
   Domain Sale Notice
   =========================================== */
.domain-notice {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  border: 2px solid var(--color-gray-light);
  border-radius: 8px;
  padding: 1.5rem 2rem;
  margin: 2rem 0;
  text-align: center;
}

.domain-notice .domain-notice-title {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-gray-dark);
  letter-spacing: 0.02em;
  margin: 0 0 0.5rem 0;
}

.domain-notice .domain-notice-text {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-black);
  margin: 0;
  line-height: 1.5;
  text-align: center;
}

.domain-notice .domain-notice-text strong {
  font-weight: bold;
}

.domain-notice .domain-notice-contact {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-gray-dark);
  margin: 0.5rem 0 0 0;
  text-align: center;
}

.domain-notice .domain-notice-contact .encrypted-email {
  font-weight: normal;
  color: var(--color-gray-dark);
  text-decoration: none;
}

.domain-notice .domain-notice-contact .encrypted-email .at-symbol {
  color: var(--color-gray-dark);
}

.domain-notice .encrypted-email {
  display: inline-block;
  font-weight: bold;
  color: var(--color-black);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.encrypted-email .at-symbol {
  color: var(--color-gray);
  font-size: 0.9em;
  margin: 0 1px;
}

/* ===========================================
   Feature Grid (2x2 layout)
   =========================================== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin: 1.5rem 0 2rem 0;
}

.feature-card {
  background: #fafafa;
  border: 1px solid var(--color-gray-light);
  border-radius: 6px;
  padding: 0.85rem 1.5rem;
}

.feature-card h4,
.page-content .feature-card h4 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: bold;
  color: var(--color-black);
  margin: 0 0 0.4rem 0 !important;
  line-height: 1.2;
}

.feature-card h4::before {
  content: none;
}

.feature-card p,
.page-content .feature-card p {
  font-size: 0.95rem;
  color: var(--color-gray-dark);
  line-height: 1.6;
  margin: 0 !important;
}

.feature-card-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: bold;
  color: var(--color-black);
  margin: 0 0 0.75rem 0;
}

.feature-card-text {
  font-size: 0.95rem;
  color: var(--color-gray-dark);
  line-height: 1.6;
  margin: 0;
}

.feature-card ul {
  margin: 0;
  padding-left: 1.25rem;
  font-size: 0.95rem;
  color: var(--color-gray-dark);
  line-height: 1.8;
}

.feature-card li {
  margin-bottom: 0.25rem;
}

/* ===========================================
   Responsive
   =========================================== */

/* Medium screens (768px - 1024px): logo centered, nav wrapped centered, search right */
@media (max-width: 1024px) {
  .site-header {
    padding: 1rem 0;
  }

  .header-inner {
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
  }

  .site-logo {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .site-logo-link {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
  }

  .logo-sub {
    text-align: center;
    width: 100%;
  }

  .site-nav.desktop-only {
    width: 100%;
    position: relative;
    justify-content: center;
    margin-top: 0.25rem;
  }

  .site-nav.desktop-only ul {
    flex-wrap: wrap;
    justify-content: center;
  }

  .site-nav.desktop-only .search-toggle {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
  }

  .alpha-nav-horizontal {
    flex-wrap: nowrap;
    gap: 0;
  }

  .alpha-nav-horizontal a {
    padding: 0.3rem 0.4rem;
    font-size: 0.8rem;
  }

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

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

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

  .company-info,
  .product-info {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .company-sidebar,
  .product-sidebar {
    border-right: none;
    border-bottom: 1px solid var(--color-gray-light);
    padding-right: 0;
    padding-bottom: 1.25rem;
    margin-bottom: 1rem;
  }

  .company-sidebar .info-section:last-child,
  .product-sidebar .info-section:last-child {
    margin-bottom: 0;
  }

  .company-header .company-name,
  .product-header .product-name {
    font-size: 1.4rem;
  }

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

  .company-item,
  .product-item {
    flex-direction: column;
    gap: 0.3rem;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
  }

  .footer-links a {
    margin-left: 0.5rem;
    margin-right: 0.5rem;
  }
}

/* Narrow screens (<768px): logo centered, mobile nav left, search right */
@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }

  .alpha-nav-horizontal {
    display: none;
  }

  .alpha-nav-sidebar {
    display: flex;
  }

  .desktop-only {
    display: none !important;
  }

  .mobile-only {
    display: flex !important;
  }

  .site-header {
    padding: 0.75rem 0;
  }

  .header-inner {
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
  }

  .site-logo {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .site-logo-link {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
  }

  .logo-sub {
    text-align: center;
    width: 100%;
  }

  .logo-img {
    max-height: 1.8rem;
  }

  .mobile-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  /* 窄屏下搜索图标右对齐，消除右边空白 */
  .mobile-header .search-toggle {
    justify-content: flex-end;
  }

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

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

  /* 搜索页 */
  .search-header {
    padding: 1.2rem 0 1rem;
    margin-bottom: 0;
  }

  .search-title {
    font-size: 1.4rem;
  }

  .result-title {
    font-size: 1.2rem;
  }

  .result-excerpt {
    font-size: 0.9rem;
    line-height: 1.6;
  }

  /* 移动端取消两端对齐，避免单词间隔过大 */
  .card-excerpt,
  .company-desc,
  .product-desc,
  .company-content p,
  .product-content p,
  .article-content p,
  .page-content p,
  .result-excerpt {
    text-align: left;
  }

  /* 移动端竖屏减少行间距，增加单屏内容密度 */
  .card-grid {
    gap: 1.25rem;
  }

  .pagination {
    margin-top: 1.25rem;
  }

  .card {
    padding-top: 1rem;
  }

  .card-excerpt {
    line-height: 1.5;
    margin-bottom: 0.6rem;
  }

  .section-header {
    margin-bottom: 1rem;
  }

  /* 首页 Directory 卡片 */
  .directory-grid {
    gap: 1rem;
  }

  .directory-card {
    padding: 0.6rem 1rem 0.85rem;
  }

  .directory-desc {
    line-height: 1.4;
  }

  /* 公司/产品列表页 */
  .page-header {
    padding: 1rem 0;
  }

  .alpha-section {
    margin-bottom: 1.5rem;
  }

  .alpha-letter {
    font-size: 1.5rem;
    padding-bottom: 0.3rem;
    margin-bottom: 0.3rem;
  }

  .company-item,
  .product-item {
    padding: 0.5rem 0;
  }

  .company-desc,
  .product-desc {
    line-height: 1.4;
  }

  /* 文章详情页 */
  .article-header {
    padding: 1.2rem 0 1rem;
    margin-bottom: 1rem;
  }

  .article-content {
    padding-bottom: 0;
  }

  .article-content p {
    font-size: 0.9rem;
    line-height: 1.6;
    hyphens: auto;
    -webkit-hyphens: auto;
  }

  .article-content li {
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 0.3rem;
    text-align: left;
  }

  .article-title {
    font-size: 1.4rem;
  }

  .article-content h2 {
    font-size: 1.2rem;
    margin: 1.5rem 0 0.75rem;
  }

  .article-content h3 {
    font-size: 1.02rem;
    margin: 1.4rem 0 0.45rem;
  }

  .article-content h4 {
    font-size: 0.9rem;
    margin: 0.8rem 0 0.3rem;
  }

  /* Privacy/Terms/About 页面 */
  .page-content p {
    font-size: 0.9rem;
    line-height: 1.6;
    hyphens: auto;
    -webkit-hyphens: auto;
  }

  /* 公司/产品详情页 */
  .company-header,
  .product-header {
    padding: 1.2rem 0 1rem;
  }

  .lastmod-date {
    font-size: 0.65rem;
  }

  .info-value {
    font-size: 0.9rem;
  }

  .company-content p,
  .product-content p {
    font-size: 0.9rem;
    line-height: 1.6;
    hyphens: auto;
    -webkit-hyphens: auto;
  }

  .company-content li,
  .product-content li {
    font-size: 0.9rem;
    line-height: 1.5;
    text-align: left;
  }

  .company-content h2,
  .product-content h2 {
    font-size: 1.2rem;
    margin: 1.5rem 0 0.75rem;
  }

  .company-content h3,
  .product-content h3 {
    font-size: 1.05rem;
    margin: 1.2rem 0 0.5rem;
  }

  /* 移动端表格响应式 */
  .page-content table,
  .article-content table,
  .product-content table,
  .company-content table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    font-size: 0.85rem;
    margin: 1rem 0;
  }

  .page-content th,
  .page-content td,
  .article-content th,
  .article-content td,
  .product-content th,
  .product-content td,
  .company-content th,
  .company-content td {
    padding: 0.6rem 0.75rem;
    white-space: nowrap;
    font-size: 0.85rem;
  }

  .page-content th,
  .article-content th,
  .product-content th,
  .company-content th {
    font-size: 0.85rem;
  }
}
/* Override h3 styles for related titles inside product-content */
.product-content .related-title,
.company-content .related-title {
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: bold;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 0;
  display: flex;
  align-items: center;
}

.product-content .related-title::before,
.company-content .related-title::before {
  content: '';
  flex-shrink: 0;
  width: 1em;
  height: 1px;
  background: var(--color-black);
  margin-right: 0.75rem;
}
/* Override product-content styles for related-list */
.product-content .related-list,
.company-content .related-list {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.product-content .related-list .related-item,
.company-content .related-list .related-item {
  padding: 0.6rem 0;
  margin-bottom: 0;
  line-height: inherit;
}

/* Ad Slot */
.ad-slot {
  margin: 2rem 0;
  padding: 1.5rem;
  text-align: center;
  border-top: 1px solid var(--color-gray-light);
  border-bottom: 1px solid var(--color-gray-light);
  background: transparent;
}

.ad-slot::before {
  content: "Advertisement";
  display: block;
  font-family: var(--font-sans);
  font-size: 0.65rem;
  color: var(--color-gray);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

.ad-slot ins {
  display: block;
}

.ad-slot .adsbygoogle {
  min-height: 0 !important;
}

.ad-slot:has(.adsbygoogle[data-ad-status="unfilled"]) {
  display: none;
}

/* End of content ads */
.article-content > .ad-slot:last-child,
.company-content > .ad-slot:last-child,
.product-content > .ad-slot:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.related-section + .ad-slot {
  margin-top: 0;
  border-top: none;
}

.ad-slot + .related-section {
  margin-top: 2rem;
}

/* Tags Section */
.tags-section {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  margin: 0.5rem 0 1rem 0;
}


.tags-list {
  display: inline;
}

.tag {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  margin: 0.1rem 0.2rem 0.1rem 0;
  background-color: #f3f4f6;
  color: inherit;
  font-size: 0.9rem;
  text-decoration: none;
  border-radius: 3px;
}

.tag:hover {
  background-color: #e5e7eb;
}

/* ===========================================
   Content Images (Lazy Loading)
   =========================================== */
.content-image {
  margin: 1.5rem 0;
  text-align: center;
}

.content-image img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  background-color: #f5f5f5;
  transition: opacity 0.3s ease;
}

.content-image img[loading="lazy"] {
  opacity: 1;
}

.content-image figcaption {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--color-gray);
  margin-top: 0.5rem;
  font-style: italic;
}

/* ===========================================
   Quick Search Dropdown
   =========================================== */
.quick-results-list {
  list-style: none;
  margin: 0.25rem 0 0 0;
  padding: 0;
}

.quick-results-list li {
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--color-gray-light);
}

.quick-results-list li:last-child {
  border-bottom: 1px solid var(--color-gray-light);
}

.quick-results-list a {
  color: var(--color-black);
  text-decoration: none;
  display: block;
}

.quick-results-list a:hover {
  color: var(--color-gray);
}

.quick-results-list strong {
  font-family: var(--font-serif);
  display: block;
  margin-bottom: 0.25rem;
}

.quick-excerpt {
  display: block;
  font-size: 0.9rem;
  color: var(--color-gray);
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  text-align: justify;
}

.quick-excerpt mark {
  background: #fff3cd;
  color: inherit;
  padding: 0 2px;
  font-weight: bold;
}

#viewAllWrap {
  text-align: right;
}

#viewAllWrap:not(:empty) {
  margin-top: 0.75rem;
  margin-bottom: 0.25rem;
}

#quickResults:empty {
  display: none;
}

.more-results {
  color: var(--color-black);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: bold;
}

.more-results:hover {
  color: var(--color-gray);
}

.no-results {
  color: #888;
  font-size: 0.9rem;
  margin-top: 0.75rem;
}

@media (max-width: 768px) {
  .quick-results-list strong {
    font-size: 0.85rem;
  }

  .quick-excerpt {
    font-size: 0.85rem;
    text-align: left;
  }
}

/* ===========================================
   Trademark Symbols (Superscript)
   =========================================== */
/* Styling for trademark symbols wrapped by JavaScript */
sup.tm-symbol {
  font-size: 0.65em;
  vertical-align: super;
  line-height: 0;
  margin-left: 0.05em;
  font-weight: normal;
}


/* Hub / Regulatory summary stats strip */
.hub-stats {
  display: flex;
  gap: 0;
  margin: 1.5rem 0 2rem 0;
  padding: 1rem 0;
  border-top: 1px solid var(--color-gray-light);
  border-bottom: 1px solid var(--color-gray-light);
}

.hub-stat {
  flex: 1;
  padding: 0 1.5rem;
  text-align: center;
  border-right: 1px solid var(--color-gray-light);
}

.hub-stat:last-child { border-right: none; }

.hub-stat-label {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-gray);
  margin-bottom: 0.4rem;
}

.hub-stat-value {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: bold;
  line-height: 1;
  color: var(--color-black);
}

@media (max-width: 640px) {
  .hub-stats { flex-wrap: wrap; padding: 0.75rem 0; }
  .hub-stat {
    flex: 1 1 45%;
    padding: 0.5rem 0.75rem;
    border-right: none;
  }
  .hub-stat-value { font-size: 1.5rem; }
}

/* Collapsible expand for long related lists on hub/regulatory pages */
.related-expand {
  margin-top: 0.5rem;
}

.related-expand > summary {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--color-gray);
  padding: 0.6rem 0;
  cursor: pointer;
  list-style: none;
  display: block;
  border-bottom: 1px dotted var(--color-gray-light);
  transition: color 0.15s ease;
}

.related-expand > summary::-webkit-details-marker { display: none; }

.related-expand > summary::before {
  content: "▸ ";
  display: inline-block;
  margin-right: 0.3rem;
  transition: transform 0.15s ease;
}

.related-expand[open] > summary::before {
  transform: rotate(90deg);
}

.related-expand > summary:hover {
  color: var(--color-black);
}

.related-expand[open] > summary {
  margin-bottom: 0;
  border-bottom-color: var(--color-gray-light);
}

.related-expand > .related-list {
  margin-top: 0;
}

/* "Sampled N of M" footer note inside hub related sections */
.related-browse-all {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--color-gray);
  margin: 0.75rem 0 0 0;
  padding-top: 0.75rem;
  border-top: 1px dotted var(--color-gray-light);
}

.related-browse-all a {
  color: var(--color-black);
  text-decoration: none;
  border-bottom: 1px solid var(--color-gray-light);
  padding-bottom: 1px;
}

.related-browse-all a:hover {
  border-bottom-color: var(--color-black);
}

/* ===========================================
   YMYL meta block (product/company pages)
   =========================================== */

.ymyl-meta {
  margin: 2.5rem 0 1rem 0;
  padding: 1.25rem 0 0 0;
  border-top: 1px solid var(--color-gray-light);
  max-width: 720px;
}

.ymyl-reviewed {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-gray);
  margin-bottom: 0.75rem;
}

.ymyl-disclaimer {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-style: italic;
  line-height: 1.55;
  color: var(--color-gray-dark);
  margin-bottom: 0.75rem;
}

.ymyl-contact {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-gray);
}

.ymyl-contact a {
  color: var(--color-gray-dark);
  border-bottom: 1px dotted var(--color-gray-light);
}

.ymyl-contact a:hover {
  color: var(--color-black);
  border-bottom-color: var(--color-gray);
}

/* Footer editorial disclosure line */
.footer-editorial {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-gray);
  margin-right: 1.25rem;
}

.footer-editorial a {
  color: var(--color-gray-dark);
  text-decoration: none;
  border-bottom: 1px dotted var(--color-gray-light);
  padding-bottom: 1px;
}

.footer-editorial a:hover {
  color: var(--color-black);
  border-bottom-color: var(--color-gray-dark);
}

@media (max-width: 640px) {
  .footer-editorial { margin: 0 0 0.5rem 0; }
}