/*
Theme Name: QS Zhizao
Theme URI: https://www.qszhizao.net
Author: Your Name
Author URI: https://www.qszhizao.net
Description: A classic WordPress theme for B2B building materials platform.
Version: 1.0.0
Text Domain: qszhizao
*/

:root {
  --primary-blue: #1a56db;
  --primary-blue-dark: #1e40af;
  --industrial-gray-50: #f8fafc;
  --industrial-gray-100: #f1f5f9;
  --industrial-gray-200: #e2e8f0;
  --industrial-gray-300: #cbd5e1;
  --industrial-gray-700: #334155;
  --industrial-gray-900: #0f172a;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #64748b;
  --text-link: #1a56db;
  --text-link-hover: #dc2626;

  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;

  --border-light: 1px solid var(--industrial-gray-200);
  --border-medium: 1px solid var(--industrial-gray-300);
  --border-heavy: 2px solid var(--industrial-gray-700);
}

:root {
  --primary-blue: #1a56db;
  --primary-blue-dark: #1e40af;
  --industrial-gray-50: #f8fafc;
  --industrial-gray-100: #f1f5f9;
  --industrial-gray-200: #e2e8f0;
  --industrial-gray-300: #cbd5e1;
  --industrial-gray-700: #334155;
  --industrial-gray-900: #0f172a;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #64748b;
  --text-link: #1a56db;
  --text-link-hover: #dc2626;

  --tag-bg: #e2e8f0;
  --tag-text: #475569;

  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;

  --border-light: 1px solid var(--industrial-gray-200);
  --border-medium: 1px solid var(--industrial-gray-300);
  --border-heavy: 2px solid var(--industrial-gray-700);
}

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

html {
  font-size: 14px;
  scroll-behavior: smooth;
}

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: #ffffff;
}

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

ul {
  list-style: none;
}

a:hover {
  color: var(--text-link-hover);
  text-decoration: underline;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.header {
  background: #fff;
  border-bottom: var(--border-heavy);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

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

.logo {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary-blue);
}


.logo:hover {
    color: var(--primary-blue);
    text-decoration: none;
}
.logo span {
  color: var(--industrial-gray-900);
  font-weight: 400;
  font-size: 14px;
  margin-left: 8px;
}

.nav-links ul {
  display: flex;
  gap: var(--spacing-lg);
 list-style: none; margin: 0; padding: 0;}

.nav-links li a {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 15px;
  padding: var(--spacing-sm) 0;
  border-bottom: 2px solid transparent;
}

.nav-links li a:hover, .nav-links li.current-menu-item a {
  color: var(--primary-blue);
  border-bottom-color: var(--primary-blue);
  text-decoration: none;
}

.header-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.btn {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 14px;
  font-weight: 600;
  border-radius: 2px;
  cursor: pointer;
}

.btn-outline {
  background: transparent;
  border: var(--border-medium);
  color: var(--primary-blue);
}

.btn-outline:hover {
  background: var(--primary-blue);
  color: #fff;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary-blue);
  border: var(--border-medium);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-blue-dark);
  text-decoration: none;
}

.search-section {
  background: var(--industrial-gray-50);
  padding: var(--spacing-2xl) 0;
  border-bottom: var(--border-light);
}

.search-box {
  display: flex;
  max-width: 720px;
  margin: 0 auto;
}

.search-input {
  flex: 1;
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: 16px;
  border: var(--border-heavy);
  border-right: none;
  outline: none;
}

.search-input:focus {
  border-color: var(--primary-blue);
}

.search-btn {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 16px;
  font-weight: 700;
  background: var(--primary-blue);
  color: #fff;
  border: var(--border-heavy);
  border-left: none;
  cursor: pointer;
}

.search-btn:hover {
  background: var(--primary-blue-dark);
}

.hot-search {
  margin-top: var(--spacing-lg);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  font-size: 13px;
}

.hot-search-label {
  color: var(--text-tertiary);
  font-weight: 500;
  letter-spacing: 0.3px;
  background: transparent;
  padding: 0;
}

.hot-search-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hot-search-list a {
  color: var(--text-secondary);
  background: #ffffff;
  padding: 6px 16px;
  border-radius: 40px;
  transition: all 0.2s ease;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--industrial-gray-200);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
}

.hot-search-list a:hover {
  background: var(--primary-blue);
  color: #fff;
  border-color: var(--primary-blue);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(26, 86, 219, 0.2);
}

.breadcrumb-section {
  background: #fff;
  padding: var(--spacing-md) 0;
  border-bottom: var(--border-light);
}

.breadcrumb {
  font-size: 13px;
  color: var(--text-tertiary);
}

.breadcrumb a {
  color: var(--text-link);
}

.breadcrumb a:hover {
  color: var(--primary-blue);
}

.breadcrumb .separator {
  margin: 0 8px;
  color: var(--industrial-gray-300);
}

.breadcrumb .current {
  color: var(--text-primary);
  font-weight: 600;
}

.company-detail {
  background: #fff;
  padding: var(--spacing-2xl) 0;
  border-bottom: var(--border-light);
}

.company-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--spacing-xl);
}

.company-main {
  overflow: hidden;
}

.company-header {
  margin-bottom: var(--spacing-xl);
}

.company-header h1 {
  font-size: 28px;
  font-weight: 700;
  color: var(--industrial-gray-900);
  margin-bottom: var(--spacing-md);
}

.company-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.tag {
  background: var(--industrial-gray-100);
  border: 1px solid var(--industrial-gray-300);
  border-radius: 40px;
  padding: 4px 12px;
  font-size: 12px;
  color: var(--text-secondary);
}

.company-summary {
  background: var(--industrial-gray-50);
  border-left: 4px solid var(--primary-blue);
  padding: var(--spacing-md) var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-primary);
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.info-card {
  background: var(--industrial-gray-50);
  border: var(--border-light);
  border-radius: 8px;
  padding: var(--spacing-lg);
}

.info-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--industrial-gray-900);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: var(--border-medium);
}

.info-card .info-item {
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: baseline;
  gap: var(--spacing-sm);
}

.info-label {
  font-weight: 600;
  color: var(--text-secondary);
  min-width: 80px;
}

.info-value {
  color: var(--text-primary);
}

.contact-item {
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.contact-label {
  font-weight: 600;
  color: var(--text-secondary);
  min-width: 70px;
}

.contact-value {
  color: var(--text-primary);
}

.contact-value a {
  color: var(--primary-blue);
  text-decoration: none;
}

.contact-value a:hover {
  color: var(--primary-blue-dark);
  text-decoration: underline;
}

.company-desc-full {
  margin-bottom: var(--spacing-xl);
  line-height: 1.8;
  color: var(--text-secondary);
}

.company-desc-full h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--industrial-gray-900);
  margin-bottom: var(--spacing-md);
  position: relative;
  padding-left: var(--spacing-md);
}

.company-desc-full h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 20px;
  background: var(--primary-blue);
}

.company-desc-full p {
  margin-bottom: var(--spacing-md);
}

.company-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.sidebar-block {
  background: #fff;
  border: var(--border-light);
}

.sidebar-header {
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--industrial-gray-100);
  border-bottom: var(--border-heavy);
}

.sidebar-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--industrial-gray-900);
  position: relative;
  padding-left: var(--spacing-md);
}

.sidebar-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 16px;
  background: var(--primary-blue);
}

.sidebar-title a {
  color: inherit;
  text-decoration: none;
}

.sidebar-title a:hover {
  color: var(--primary-blue);
  text-decoration: underline;
}

.sidebar-list {
  padding: var(--spacing-md) var(--spacing-lg);
}

.sidebar-list ul li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--industrial-gray-200);
}

.sidebar-list ul li:last-child {
  border-bottom: none;
}

.rank-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--industrial-gray-200);
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 12px;
  border-radius: 2px;
  margin-right: 8px;
  flex-shrink: 0;
}

.company-link {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
}

.company-link:hover {
  color: var(--primary-blue);
  text-decoration: none;
}

.lead-form-section {
  background: var(--primary-blue);
  padding: var(--spacing-2xl) 0;
  border-top: var(--border-light);
  border-bottom: var(--border-light);
}

.lead-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.lead-info h2 {
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--spacing-md);
  line-height: 1.3;
}

.lead-info p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-lg);
  line-height: 1.5;
}

.lead-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.lead-features li {
  background: rgba(255, 255, 255, 0.15);
  padding: 6px 16px;
  border-radius: 40px;
  font-size: 13px;
  font-weight: 500;
  color: #fff;
  backdrop-filter: blur(2px);
}

.lead-form-wrapper {
  background: #fff;
  padding: var(--spacing-xl);
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.lead-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.lead-form .form-group input,
.lead-form .form-group select {
  width: 100%;
  padding: 12px 14px;
  font-size: 14px;
  border: 1px solid var(--industrial-gray-300);
  border-radius: 8px;
  outline: none;
  transition: 0.2s;
}

.lead-form .form-group input:focus,
.lead-form .form-group select:focus {
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
}

.lead-form .form-submit {
  background: var(--primary-blue);
  color: #fff;
  border: none;
  padding: 12px 16px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: 0.2s;
  width: 100%;
}

.lead-form .form-submit:hover {
  background: var(--primary-blue-dark);
}

.lead-form .form-note {
  font-size: 11px;
  color: var(--text-tertiary);
  text-align: center;
  margin-top: var(--spacing-xs);
}

.internal-links {
  background: var(--industrial-gray-100);
  padding: var(--spacing-2xl) 0;
  border-top: var(--border-light);
}

.internal-links h4 {
  font-size: 14px;
  margin-bottom: var(--spacing-lg);
  color: var(--industrial-gray-900);
  font-weight: 700;
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
}

.link-col h5 {
  font-size: 13px;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--industrial-gray-900);
  padding-bottom: var(--spacing-xs);
  border-bottom: var(--border-medium);
}

.link-col a {
  font-size: 13px;
  color: var(--text-secondary);
  display: block;
  margin-bottom: var(--spacing-xs);
}

.link-col a:hover {
  color: var(--primary-blue);
}

.footer-enhanced {
  background: linear-gradient(135deg, #1e3a5f 0%, #0f172a 100%);
  padding: var(--spacing-2xl) 0;
  color: #fff;
  border-top: 4px solid var(--primary-blue);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.footer-info h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: #fff;
}

.footer-info p {
  font-size: 13px;
  color: var(--industrial-gray-300);
  margin-bottom: var(--spacing-sm);
  line-height: 1.8;
}

.footer-contact {
  font-size: 14px;
  color: #fff;
  margin-top: var(--spacing-md);
}

.footer-contact div {
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-contact span {
  color: var(--industrial-gray-300);
}

.footer-qr {
  text-align: center;
}

.footer-qr h5 {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: #fff;
}

.qr-placeholder {
  background: rgba(255, 255, 255, 0.1);
  border: 1px dashed rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  padding: 16px 12px;
  font-size: 12px;
  color: var(--industrial-gray-300);
  display: inline-block;
  width: 140px;
  text-align: center;
}

.footer-bottom {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 12px;
  color: var(--industrial-gray-300);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.footer-links a,
.footer-icp-link {
  color: var(--industrial-gray-300);
}

.footer-links a:hover,
.footer-icp-link:hover {
  color: #fff;
}

.main-content {
  padding: var(--spacing-xl) 0;
  background: var(--industrial-gray-50);
}

.content-layout {
  display: grid;
  grid-template-columns: 7fr 3fr;
  gap: var(--spacing-xl);
}

.section-block {
  background: #fff;
  border: var(--border-light);
  margin-bottom: var(--spacing-xl);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--industrial-gray-100);
  border-bottom: var(--border-heavy);
}

.section-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--industrial-gray-900);
  position: relative;
  padding-left: var(--spacing-md);
}

.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 16px;
  background: var(--primary-blue);
}

.section-title a {
  color: inherit;
  text-decoration: none;
}

.section-title a:hover {
  color: var(--primary-blue);
  text-decoration: underline;
}

.article-detail {
  background: #fff;
  border: var(--border-light);
  margin-bottom: var(--spacing-xl);
}

.article-header {
  padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-lg);
  border-bottom: var(--border-light);
}

.article-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--industrial-gray-900);
  line-height: 1.4;
  margin-bottom: var(--spacing-md);
}

.article-tag {
  display: inline-block;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 500;
  background: var(--tag-bg);
  color: var(--tag-text);
  border-radius: 2px;
}

.article-tag:hover {
  background: var(--primary-blue);
  color: #fff;
  text-decoration: none;
}

.article-summary {
  margin-top: var(--spacing-xl);
  padding: 0 var(--spacing-xl) var(--spacing-lg);
  font-size: 13px;
  line-height: 1.8;
  color: #94a3b8;
}

.article-body {
  padding: var(--spacing-xl);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.article-body h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--industrial-gray-900);
  margin: var(--spacing-xl) 0 var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: var(--border-medium);
}

.article-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--industrial-gray-900);
  margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.article-body p {
  margin-bottom: var(--spacing-md);
  text-align: justify;
}

.article-body ul,
.article-body ol {
  margin: var(--spacing-md) 0;
  padding-left: var(--spacing-xl);
}

.article-body li {
  margin-bottom: var(--spacing-sm);
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-lg) 0;
}

.article-body th,
.article-body td {
  padding: var(--spacing-sm) var(--spacing-md);
  border: var(--border-light);
  text-align: left;
}

.article-body th {
  background: var(--industrial-gray-100);
  font-weight: 600;
}

.article-body .data-box {
  background: var(--industrial-gray-50);
  border-left: 4px solid var(--primary-blue);
  padding: var(--spacing-md) var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  font-size: 14px;
}

.article-body .data-box strong {
  color: var(--primary-blue);
}

.article-tags {
  padding: 0 var(--spacing-xl) var(--spacing-xl);
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.article-tags .article-tag {
  padding: 6px 16px;
  font-size: 13px;
  border-radius: 20px;
}

.article-nav {
  padding: var(--spacing-lg) var(--spacing-xl);
  background: var(--industrial-gray-50);
  border: var(--border-light);
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-lg);
  margin-top: -1px;
  margin-bottom: var(--spacing-xl);
}

.article-nav-item {
  flex: 1;
  padding: var(--spacing-md);
  background: #fff;
  border: var(--border-light);
  border-radius: 4px;
  transition: all 0.2s;
}

.article-nav-item:hover {
  border-color: var(--primary-blue);
  box-shadow: 0 2px 8px rgba(26, 86, 219, 0.1);
}

.article-nav-label {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-bottom: var(--spacing-xs);
}

.article-nav-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--industrial-gray-900);
  line-height: 1.4;
  display: block;
}

.article-nav-title:hover {
  color: var(--primary-blue);
  text-decoration: none;
}

.article-nav-item.prev {
  text-align: left;
}

.article-nav-item.next {
  text-align: right;
}

.article-nav-item.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.main-area > .article-detail {
  margin-bottom: 0;
}

.company-list {
  padding: var(--spacing-md) var(--spacing-lg);
}

.company-list ul li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--industrial-gray-200);
  flex-wrap: wrap;
}

.company-list ul li:last-child {
  border-bottom: none;
}

.company-list .rank-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--industrial-gray-200);
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 12px;
  border-radius: 2px;
  margin-right: 8px;
  flex-shrink: 0;
}

.company-list .company-link {
  font-size: 15px;
  color: var(--text-primary);
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}

.company-list .company-link:hover {
  color: var(--primary-blue);
  text-decoration: none;
}

.company-list .company-desc {
  font-size: 12px;
  color: var(--text-tertiary);
  line-height: 1.4;
  flex: 1;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.link-list {
  padding: var(--spacing-md) var(--spacing-lg);
}

.link-list ul li {
  padding: 10px 0;
  border-bottom: 1px dashed var(--industrial-gray-200);
}

.link-list ul li:last-child {
  border-bottom: none;
}

.link-list ul li a {
  font-size: 13px;
  color: var(--text-secondary);
  display: block;
  line-height: 1.5;
}

.link-list ul li a:hover {
  color: var(--primary-blue);
  text-decoration: none;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.sidebar .section-block {
  margin-bottom: 0;
}

.bottom-recommend {
  background: #fff;
  border: var(--border-light);
  margin-bottom: var(--spacing-xl);
}

.recommend-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--border-light);
}

.recommend-col {
  padding: var(--spacing-lg);
}

.recommend-col .section-header {
  margin: 0 0 var(--spacing-md);
  padding: 0 0 var(--spacing-md);
  background: transparent;
  border-bottom: var(--border-heavy);
}

.page-intro {
  background: #fff;
  padding: var(--spacing-lg) var(--spacing-xl);
  border-bottom: var(--border-light);
}

.page-intro h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--industrial-gray-900);
  margin-bottom: var(--spacing-sm);
}

.page-intro p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 900px;
}

.product-catalog {
  padding: var(--spacing-lg) var(--spacing-xl);
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--spacing-md);
}

.catalog-col {
  background: var(--industrial-gray-50);
  border: var(--border-light);
  border-radius: 4px;
  padding: var(--spacing-md);
}

.catalog-col ul li {
  margin-bottom: var(--spacing-xs);
}

.catalog-col ul li a {
  font-size: 13px;
  color: var(--text-secondary);
  display: block;
  padding: 4px 0;
  line-height: 1.4;
}

.catalog-col ul li a:hover {
  color: var(--primary-blue);
  text-decoration: none;
  padding-left: 4px;
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
}

.section-block {
  background: #fff;
  border: var(--border-light);
}

.link-list ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.link-list ul li {
  padding: 8px 0;
  border-bottom: 1px dashed var(--industrial-gray-200);
}

.link-list ul li a {
  font-size: 14px;
  color: var(--text-secondary);
}

.rank-list-style ul li {
  padding: 12px 0;
  border-bottom: 1px dashed var(--industrial-gray-200);
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}

.rank-list-style ul li:last-child {
  border-bottom: none;
}

.rank-list-style ul li:nth-child(1) .rank-num {
  background: #fee2e2;
  color: #dc2626;
}

.rank-list-style ul li:nth-child(2) .rank-num {
  background: #ffedd5;
  color: #ea580c;
}

.rank-list-style ul li:nth-child(3) .rank-num {
  background: #fef3c7;
  color: #d97706;
}

.rank-list-style .company-link {
  font-size: 15px;
  color: var(--text-primary);
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}

.rank-list-style .company-link:hover {
  color: var(--primary-blue);
  text-decoration: none;
}

.rank-list-style .company-desc {
  font-size: 12px;
  color: var(--text-tertiary);
  line-height: 1.4;
  flex: 1;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.company-list ul li {
  padding: 12px 0;
  border-bottom: 1px dashed var(--industrial-gray-200);
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm) var(--spacing-lg);
  padding: var(--spacing-md) var(--spacing-lg);
}

.article-grid ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.article-grid ul li {
  padding: 8px 0;
  border-bottom: 1px dashed var(--industrial-gray-200);
}

.article-grid ul li a {
  font-size: 13px;
  color: var(--text-secondary);
  display: block;
  padding: 2px 0;
}

.article-grid ul li a:hover {
  color: var(--primary-blue);
  text-decoration: none;
}

.news-section {
  background: #fff;
  padding: var(--spacing-xl) 0;
  border-top: var(--border-light);
  border-bottom: var(--border-light);
}

.news-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 var(--spacing-xl) var(--spacing-lg);
}

.news-header h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--industrial-gray-900);
  position: relative;
  padding-left: var(--spacing-md);
}

.news-header h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 20px;
  background: var(--primary-blue);
}

.news-header h2 a {
  color: inherit;
  text-decoration: none;
}

.news-header h2 a:hover {
  color: var(--primary-blue);
  text-decoration: underline;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

.news-col {
  background: var(--industrial-gray-50);
  border: var(--border-light);
}

.news-col-header {
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--industrial-gray-100);
  border-bottom: var(--border-medium);
}

.news-col-header h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--industrial-gray-900);
}

.news-col-list {
  padding: var(--spacing-md) var(--spacing-lg);
}

.news-col-list ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.news-col-list ul li {
  padding: 8px 0;
  border-bottom: 1px dashed var(--industrial-gray-200);
}

.news-col-list ul li:last-child {
  border-bottom: none;
}

.news-col-list ul li a {
  font-size: 13px;
  color: var(--text-secondary);
  display: block;
}

.news-col-list ul li a:hover {
  color: var(--primary-blue);
  text-decoration: none;
}

.news-date {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-top: 4px;
}

.category-intro {
  background: #fff;
  padding: var(--spacing-lg) var(--spacing-xl);
  border-bottom: var(--border-light);
}

.category-intro h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--industrial-gray-900);
  margin-bottom: var(--spacing-md);
}

.category-intro p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 900px;
}

.subcategory-section {
  background: #fff;
  padding: var(--spacing-lg) var(--spacing-xl);
  border-bottom: var(--border-light);
}

.subcategory-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--industrial-gray-900);
  margin-bottom: var(--spacing-md);
  position: relative;
  padding-left: var(--spacing-md);
}

.subcategory-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 20px;
  background: var(--primary-blue);
}

.subcategory-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.subcategory-item {
  background: transparent;
  border: 1px solid var(--industrial-gray-300);
  border-radius: 40px;
  padding: 8px 20px;
  transition: all 0.2s ease;
}

.subcategory-item a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  display: block;
  text-align: center;
}

.subcategory-item:hover {
  background: var(--primary-blue);
  border-color: var(--primary-blue);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(26, 86, 219, 0.15);
}

.subcategory-item:hover a {
  color: #fff;
  text-decoration: none;
}

.single-rank-list {
  padding: var(--spacing-md) var(--spacing-lg);
}

.single-rank-list ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.single-rank-list ul li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--industrial-gray-200);
  flex-wrap: wrap;
}

.single-rank-list ul li:last-child {
  border-bottom: none;
}

.single-rank-list ul li:nth-child(1) .rank-num {
  background: #fee2e2;
  color: #dc2626;
}

.single-rank-list ul li:nth-child(2) .rank-num {
  background: #ffedd5;
  color: #ea580c;
}

.single-rank-list ul li:nth-child(3) .rank-num {
  background: #fef3c7;
  color: #d97706;
}

.company-link {
  font-size: 15px;
  color: var(--text-primary);
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}

.company-desc {
  font-size: 12px;
  color: var(--text-tertiary);
  line-height: 1.4;
  flex: 1;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.company-list ul {
  padding: 0;
}

.product-intro {
  background: #fff;
  padding: var(--spacing-lg) var(--spacing-xl);
  border-bottom: var(--border-light);
}

.product-intro h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--industrial-gray-900);
  margin-bottom: var(--spacing-md);
}

.product-intro .product-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.three-column-rank-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  padding: var(--spacing-md) var(--spacing-lg);
}

.three-column-rank-grid ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  min-width: 0;
}

.three-column-rank-grid ul li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 6px 0;
  flex-wrap: wrap;
  min-width: 0;
}

.three-column-rank-grid .company-desc {
  display: block;
  flex: 0 0 calc(100% - 32px);
  width: calc(100% - 32px);
  max-width: calc(100% - 32px);
  min-width: 0;
  margin-left: 32px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.three-column-rank-grid ul li:nth-child(1) .rank-num,
.rank-list ul li:nth-child(1) .rank-num,
.more-rank-grid ul li:nth-child(1) .rank-num {
  background: #fee2e2;
  color: #dc2626;
}

.three-column-rank-grid ul li:nth-child(2) .rank-num,
.rank-list ul li:nth-child(2) .rank-num,
.more-rank-grid ul li:nth-child(2) .rank-num {
  background: #ffedd5;
  color: #ea580c;
}

.three-column-rank-grid ul li:nth-child(3) .rank-num,
.rank-list ul li:nth-child(3) .rank-num,
.more-rank-grid ul li:nth-child(3) .rank-num {
  background: #fef3c7;
  color: #d97706;
}

.company-link {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
  white-space: nowrap;
  flex-shrink: 0;
}

.pagination {
  display: flex;
  justify-content: flex-end;
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--industrial-gray-200);
  gap: var(--spacing-sm);
}

.pagination a {
  display: inline-block;
  padding: 4px 12px;
  border: 1px solid var(--industrial-gray-300);
  border-radius: 4px;
  color: var(--text-secondary);
  font-size: 13px;
  transition: all 0.2s;
}

.pagination a:hover {
  background: var(--primary-blue);
  border-color: var(--primary-blue);
  color: #fff;
  text-decoration: none;
}

.pagination .active {
  background: var(--primary-blue);
  border-color: var(--primary-blue);
  color: #fff;
}

.pagination .disabled {
  color: var(--industrial-gray-300);
  pointer-events: none;
}

.two-column-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  align-items: start;
}

.two-column-grid > .section-block {
  min-width: 0;
}

.rank-list {
  padding: var(--spacing-md) var(--spacing-lg);
  min-width: 0;
}

.rank-list ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  min-width: 0;
}

.rank-list ul li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--industrial-gray-200);
  flex-wrap: wrap;
  min-width: 0;
}

.rank-list ul li:last-child {
  border-bottom: none;
}

.rank-list .rank-num {
  width: 24px;
  height: 24px;
  font-size: 12px;
}

.rank-list .company-link {
  font-size: 14px;
  font-weight: 600;
  min-width: 0;
  max-width: calc(100% - 32px);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rank-list .company-desc {
  font-size: 12px;
  display: block;
  flex: 0 0 calc(100% - 32px);
  width: calc(100% - 32px);
  max-width: calc(100% - 32px);
  min-width: 0;
  margin-left: 32px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.more-rank-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
}

.more-rank-grid ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.more-rank-grid ul li {
  display: flex;
  align-items: center;
  padding: 6px 0;
}

.more-rank-grid .rank-num {
  width: 24px;
  height: 24px;
  font-size: 12px;
}

.more-rank-grid ul li a {
  font-size: 13px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.more-rank-grid ul li a:hover {
  color: var(--primary-blue);
  text-decoration: none;
}

.factory-more-rank-grid ul li {
  align-items: flex-start;
  gap: 8px;
}

.factory-more-rank-grid ul li a {
  white-space: normal;
  overflow: visible;
  text-overflow: clip;
  line-height: 1.5;
  flex: 1;
}

.knowledge-section {
  background: #fff;
  padding: var(--spacing-xl) 0;
  border-top: var(--border-light);
  border-bottom: var(--border-light);
}

.knowledge-header {
  padding: 0 var(--spacing-xl) var(--spacing-lg);
}

.knowledge-header h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--industrial-gray-900);
  position: relative;
  padding-left: var(--spacing-md);
}

.knowledge-header h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 20px;
  background: var(--primary-blue);
}

.knowledge-header h2 a {
  color: inherit;
  text-decoration: none;
}

.knowledge-header h2 a:hover {
  color: var(--primary-blue);
  text-decoration: underline;
}

.knowledge-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

.knowledge-col {
  background: var(--industrial-gray-50);
  border: var(--border-light);
}

.knowledge-col-header {
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--industrial-gray-100);
  border-bottom: var(--border-medium);
}

.knowledge-col-header h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--industrial-gray-900);
}

.knowledge-col-header h3 a {
  color: inherit;
  text-decoration: none;
}

.knowledge-col-header h3 a:hover {
  color: var(--primary-blue);
}

.knowledge-col-list {
  padding: var(--spacing-md) var(--spacing-lg);
}

.knowledge-col-list ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.knowledge-col-list ul li {
  padding: 8px 0;
  border-bottom: 1px dashed var(--industrial-gray-200);
}

.knowledge-col-list ul li:last-child {
  border-bottom: none;
}

.knowledge-col-list ul li a {
  font-size: 13px;
  color: var(--text-secondary);
  display: block;
}

.factory-knowledge-grid {
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  padding: 0 var(--spacing-xl);
}

.knowledge-col-list ul li a:hover {
  color: var(--primary-blue);
  text-decoration: none;
}

.news-list {
  padding: var(--spacing-md) var(--spacing-lg);
}

.news-list ul li {
  padding: var(--spacing-lg) 0;
  border-bottom: 1px dashed var(--industrial-gray-200);
}

.news-list ul li:last-child {
  border-bottom: none;
}

.news-list .article-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--industrial-gray-900);
  line-height: 1.5;
  margin-bottom: var(--spacing-sm);
  display: block;
}

.news-list .article-title:hover {
  color: var(--primary-blue);
  text-decoration: none;
}

.news-list .article-desc {
  font-size: 13px;
  color: var(--text-tertiary);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-list .article-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.news-list .article-tag {
  display: inline-block;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 500;
  background: var(--tag-bg);
  color: var(--tag-text);
  border-radius: 2px;
}

.news-list .article-tag:hover {
  background: var(--primary-blue);
  color: #fff;
  text-decoration: none;
}

.pagination-section {
  padding: var(--spacing-lg) var(--spacing-xl);
  background: var(--industrial-gray-50);
  border-top: var(--border-light);
}

.main-area > .section-block {
  margin-bottom: 0;
}

.main-area > .pagination-section {
  margin-top: -1px;
  margin-bottom: var(--spacing-xl);
  border: var(--border-light);
  background: var(--industrial-gray-50);
}

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-xs);
}

.pagination-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 12px;
  font-size: 13px;
  font-weight: 500;
  background: #fff;
  color: var(--text-secondary);
  border: var(--border-light);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
}

.pagination-btn:hover {
  background: var(--industrial-gray-100);
  color: var(--primary-blue);
  border-color: var(--primary-blue);
  text-decoration: none;
}

.pagination-btn.active {
  background: var(--primary-blue);
  color: #fff;
  border-color: var(--primary-blue);
}

.pagination-btn.disabled {
  background: var(--industrial-gray-100);
  color: var(--text-tertiary);
  border-color: var(--industrial-gray-200);
  cursor: not-allowed;
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.section-block {
  background: #fff;
  border: var(--border-light);
  margin-bottom: var(--spacing-lg);
}

.link-list ul li {
  padding: 6px 0;
  border-bottom: 1px dashed var(--industrial-gray-200);
}

.link-list ul li a {
  font-size: 13px;
  color: var(--text-secondary);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm) var(--spacing-lg);
  padding: var(--spacing-md) var(--spacing-lg);
}

.category-grid ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.category-grid ul li {
  padding: 4px 0;
}

.category-grid ul li a {
  font-size: 13px;
  color: var(--text-secondary);
}

.category-grid ul li a:hover {
  color: var(--primary-blue);
  text-decoration: none;
}

.rank-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm) var(--spacing-lg);
  padding: var(--spacing-md) var(--spacing-lg);
}

.rank-grid ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.rank-grid ul li {
  display: flex;
  align-items: center;
  padding: 4px 0;
}

.rank-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  background: var(--industrial-gray-200);
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 11px;
  border-radius: 2px;
  margin-right: 8px;
  flex-shrink: 0;
}







.rank-grid ul li a {
  font-size: 13px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.rank-grid ul li a:hover {
  color: var(--primary-blue);
  text-decoration: none;
}

@media (max-width: 768px) {
  .company-layout {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  .info-grid {
    grid-template-columns: 1fr;
  }
  .header-inner,
  .nav-links ul {
    flex-wrap: wrap;
    justify-content: center;
   list-style: none; margin: 0; padding: 0;}
  .search-box {
    flex-direction: column;
  }
  .search-input {
    border-right: var(--border-heavy);
    border-bottom: none;
  }
  .search-btn {
    border-left: var(--border-heavy);
    border-top: none;
  }
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .footer-qr {
    display: flex;
    justify-content: center;
    gap: 20px;
  }
  .footer-contact div {
    justify-content: center;
  }
  .link-grid {
    grid-template-columns: 1fr;
  }
  .lead-info h2 {
    font-size: 24px;
    text-align: center;
  }
  .lead-info p {
    text-align: center;
  }
  .lead-features {
    justify-content: center;
  }
  .lead-form-wrapper {
    padding: var(--spacing-lg);
  }
  .company-list ul li {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  .company-list .company-desc {
    white-space: normal;
    overflow: visible;
  }
  .article-title {
    font-size: 20px;
  }
  .article-body {
    font-size: 15px;
  }
  .article-nav {
    flex-direction: column;
  }
  .article-nav-item {
    text-align: left !important;
  }
  .rank-list-style ul li,
  .company-list ul li {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  .rank-list-style .company-desc,
  .company-list .company-desc {
    white-space: normal;
    overflow: visible;
  }
  .catalog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .article-grid {
    grid-template-columns: 1fr;
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .lead-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  .subcategory-item {
    padding: 6px 16px;
  }
  .subcategory-item a {
    font-size: 13px;
  }
  .single-rank-list ul li,
  .company-list ul li {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  .company-desc {
    white-space: normal;
    overflow: visible;
  }
  .three-column-rank-grid {
    grid-template-columns: 1fr;
  }
  .more-rank-grid {
    grid-template-columns: 1fr;
  }
  .knowledge-grid {
    grid-template-columns: 1fr;
  }
  .factory-knowledge-grid {
    grid-template-columns: 1fr;
  }
  .three-column-rank-grid ul li,
  .rank-list ul li,
  .company-list ul li {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  .two-column-grid {
    grid-template-columns: 1fr;
  }
  .more-rank-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pagination {
    flex-wrap: wrap;
  }
  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .rank-grid,
  .article-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1024px) {
  .lead-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
  .link-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .content-layout {
    grid-template-columns: 1fr;
  }
  .recommend-grid {
    grid-template-columns: 1fr;
  }
  .content-grid {
    grid-template-columns: 1fr;
  }
  .catalog-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .article-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .two-column-grid {
    grid-template-columns: 1fr;
  }
  .three-column-rank-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .more-rank-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .knowledge-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .factory-knowledge-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .category-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .rank-grid,
  .article-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}


/* Added custom styles for 2-column rank grid with top 5 colors */
.category-grid.rank-grid {
}



/* Top 1-5 rank colors */
.rank-num.top-1 { background: #fee2e2 !important; color: #dc2626 !important; } /* Red */
.rank-num.top-2 { background: #ffedd5 !important; color: #ea580c !important; } /* Orange */
.rank-num.top-3 { background: #fef3c7 !important; color: #d97706 !important; } /* Yellow */
.rank-num.top-4 { background: #f3e8ff !important; color: #7e22ce !important; } /* Purple */
.rank-num.top-5 { background: #dcfce7 !important; color: #16a34a !important; } /* Green */


/* No color for right column */