/* ========================================
   五合云RFID官网 - GEO优化样式表 v2
   覆盖所有HTML页面使用的CSS类
   ======================================== */

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

:root {
  --primary: #0052D9;
  --primary-dark: #003DA5;
  --primary-light: #E8F0FE;
  --accent: #00B894;
  --accent-dark: #00956D;
  --text: #1a1a2e;
  --text-secondary: #555;
  --bg: #fff;
  --bg-alt: #F7F9FC;
  --border: #E2E8F0;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --radius: 8px;
  --max-w: 1200px;
  --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* === Typography === */
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--text); }
h1 { font-size: 2rem; margin-bottom: 1rem; }
h2 { font-size: 1.5rem; margin: 2rem 0 1rem; padding-bottom: .5rem; border-bottom: 2px solid var(--primary-light); }
h3 { font-size: 1.2rem; margin: 1.5rem 0 .75rem; color: var(--primary-dark); }
h4 { font-size: 1.05rem; margin: 1rem 0 .5rem; }
p { margin-bottom: 1rem; }
.lead { font-size: 1.125rem; color: var(--text-secondary); margin-bottom: 1.5rem; max-width: 72ch; }
.subtitle { font-size: 1.1rem; color: var(--text-secondary); margin-bottom: 1rem; }

/* === Layout === */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }

/* === Header / Navigation === */
.site-header,
header {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}
.site-header .container,
header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: .5rem;
  white-space: nowrap;
}
.logo span { color: var(--text); }
.logo-icon { font-size: 1.3rem; }

.main-nav { display: flex; align-items: center; }
.nav-list {
  display: flex;
  gap: .25rem;
  align-items: center;
  list-style: none;
}
.nav-list li { list-style: none; }
.nav-list a {
  padding: .5rem .75rem;
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-size: .9rem;
  transition: all .2s;
  white-space: nowrap;
}
.nav-list a:hover,
.nav-list a.active,
nav a:hover,
nav a.active {
  background: var(--primary-light);
  color: var(--primary);
}
.nav-cta {
  background: var(--accent) !important;
  color: #fff !important;
  font-weight: 600;
}
.nav-cta:hover { background: var(--accent-dark) !important; }

/* Mobile nav */
.nav-toggle, .hamburger, .mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text);
  padding: .5rem;
}
.nav-toggle { display: none; }

/* Legacy nav support */
nav { display: flex; gap: .25rem; align-items: center; }
nav a {
  padding: .5rem .75rem;
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-size: .9rem;
  transition: all .2s;
}

/* === Hero Section === */
.hero, .hero-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  padding: 3rem 0;
  text-align: center;
}
.hero h1, .hero-section h1 { color: #fff; font-size: 2.25rem; margin-bottom: .75rem; }
.hero p, .hero-section p { color: rgba(255,255,255,.9); font-size: 1.125rem; max-width: 640px; margin: 0 auto 1.5rem; }
.hero-subtitle { font-size: 1.15rem; color: rgba(255,255,255,.9); margin-bottom: 1.5rem; }
.hero-desc { font-size: 1rem; color: rgba(255,255,255,.85); margin-bottom: 1.5rem; }
.hero-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-bottom: 2rem; }
.hero-cta { margin-top: 1.5rem; }

/* Hero stats */
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}
.hero-stat { text-align: center; }
.hero-stat .num { font-size: 2rem; font-weight: 800; display: block; }
.hero-stat .label { font-size: .85rem; opacity: .85; }
.stat-item { text-align: center; }
.stat-number { font-size: 2rem; font-weight: 800; display: block; color: #fff; }
.stat-label { font-size: .85rem; opacity: .85; color: rgba(255,255,255,.85); }

/* === Buttons === */
.btn {
  display: inline-block;
  padding: .75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  border: none;
  transition: all .2s;
  text-align: center;
  text-decoration: none;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; box-shadow: 0 4px 12px rgba(0,82,217,.3); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-dark); color: #fff; }
.btn-outline { background: transparent; border: 2px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-white { background: #fff; color: var(--primary); }
.btn-white:hover { background: var(--primary-light); color: var(--primary-dark); }
.btn-secondary { background: var(--text-secondary); color: #fff; }
.btn-lg { padding: 1rem 2rem; font-size: 1.05rem; }

/* === Content Sections === */
.section { padding: 3rem 0; }
.section-alt { background: var(--bg-alt); }
.section h2 { text-align: center; }
.section-badge {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  padding: .3rem .8rem;
  border-radius: 20px;
  font-size: .8rem;
  font-weight: 600;
  margin-bottom: .5rem;
}

/* Named sections */
.products, .solutions, .cases, .hardware, .roi, .faq, .cta,
.performance-data, .technical-params, .core-functions, .rfid-tags {
  padding: 3rem 0;
}

.section-cta {
  text-align: center;
  margin-top: 2rem;
}

/* === Tables === */
table { width: 100%; border-collapse: collapse; margin: 1rem 0 1.5rem; font-size: .95rem; }
th, td { padding: .75rem 1rem; text-align: left; border-bottom: 1px solid var(--border); }
th { background: var(--primary-light); font-weight: 600; color: var(--primary-dark); white-space: nowrap; }
tr:hover { background: var(--bg-alt); }
.table-responsive { overflow-x: auto; }
.pricing-table, .data-table, .hardware-table, .tech-table, .tags-table,
.product-info-table { width: 100%; }
.highlight-cell { background: var(--primary-light); font-weight: 600; }

/* === Cards === */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 1.5rem 0;
}
.card-grid-2 { grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }
.card-grid-4 { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
.card-grid-5 { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }

.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: all .2s;
}
.card:hover { box-shadow: var(--shadow); border-color: var(--primary); transform: translateY(-2px); }
.card h3 { margin-top: 0; color: var(--primary-dark); }
.card-body { padding: 0; }
.card-body h3 { margin-top: 0; }
.card-price { font-size: 1.25rem; font-weight: 700; color: var(--primary); margin: .75rem 0; }
.card-icon { font-size: 2rem; margin-bottom: .75rem; display: block; }
.card-badge {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: .2rem .6rem;
  border-radius: 4px;
  font-size: .75rem;
  font-weight: 600;
  margin-bottom: .5rem;
}
.card-meta { font-size: .85rem; color: var(--text-secondary); margin-top: .5rem; }

/* Solution cards */
.solution-card { text-align: center; cursor: pointer; }
.solution-card:hover { border-color: var(--primary); }

/* Case cards on index */
.case-tag, .tag {
  display: inline-block;
  padding: .2rem .6rem;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 4px;
  font-size: .8rem;
  font-weight: 600;
  margin-right: .35rem;
  margin-bottom: .5rem;
}
.tag-accent { background: #E6FFF7; color: var(--accent-dark); }

/* Case card (detailed) */
.case-card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; margin-bottom: 1.5rem; }
.case-card h3 { margin-top: 0; }
.case-meta { display: flex; gap: 1.5rem; flex-wrap: wrap; margin: .75rem 0; font-size: .9rem; color: var(--text-secondary); }
.case-meta dt { font-weight: 600; color: var(--text); }
.case-meta dd { margin: 0; }
.case-result { background: var(--accent); color: #fff; display: inline-block; padding: .25rem .75rem; border-radius: 4px; font-weight: 600; font-size: .9rem; }
.case-industry, .industry { font-size: .85rem; color: var(--text-secondary); }

/* === Features === */
.features { padding: 3rem 0; }
.features-grid, .feature-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
  margin: 1.5rem 0;
}
.feature-item {
  display: flex;
  gap: .75rem;
  align-items: flex-start;
  padding: 1rem;
  border-radius: var(--radius);
  background: var(--bg-alt);
  transition: all .2s;
}
.feature-item:hover { box-shadow: var(--shadow); }
.feature-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}
.feature-item h3 { margin: 0 0 .25rem; font-size: 1.05rem; }
.feature-item p { margin: 0; font-size: .9rem; color: var(--text-secondary); }

/* Legacy feature support */
.feature { display: flex; gap: .75rem; align-items: flex-start; }

/* === ROI Section === */
.roi-highlight, .roi-box {
  background: var(--bg-alt);
  border: 2px solid var(--accent);
  border-radius: var(--radius);
  padding: 2rem;
  margin: 1.5rem 0;
  text-align: center;
}
.roi-flow {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin: 1.5rem 0;
}
.roi-step { text-align: center; }
.roi-step-highlight { background: var(--accent); color: #fff; padding: 1rem 1.5rem; border-radius: var(--radius); }
.roi-step-highlight .roi-amount { color: #fff; }
.roi-step-highlight .roi-label { color: rgba(255,255,255,.85); }
.roi-amount { font-size: 1.75rem; font-weight: 800; color: var(--accent); display: block; }
.roi-label { font-size: .85rem; color: var(--text-secondary); display: block; margin-top: .25rem; }
.roi-arrow { font-size: 1.5rem; color: var(--accent); }
.roi-value { font-size: 1.5rem; font-weight: 700; color: var(--accent); }
.roi-item { padding: 1rem; text-align: center; }
.roi-summary { margin-top: 1rem; }
.roi-box .big-num { font-size: 2.5rem; font-weight: 800; color: var(--accent); display: block; }

/* === Highlight boxes === */
.highlight-box {
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  padding: 1rem 1.5rem;
  margin: 1rem 0;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.highlight-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}
.highlight-number { font-size: 2rem; font-weight: 800; color: var(--primary); display: block; }
.highlight-label { font-size: .85rem; color: var(--text-secondary); }

/* === FAQ / Accordion === */
.faq-list, .accordion { margin: 1.5rem 0; }
.faq-item, .accordion-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: .75rem;
  overflow: hidden;
}
.faq-q, .accordion-trigger {
  padding: 1rem 1.25rem;
  font-weight: 600;
  cursor: pointer;
  background: var(--bg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background .2s;
  width: 100%;
  border: none;
  text-align: left;
  font-size: 1rem;
  font-family: var(--font);
  color: var(--text);
}
.faq-q:hover, .accordion-trigger:hover { background: var(--bg-alt); }
.faq-q::after { content: "+"; font-size: 1.25rem; color: var(--primary); transition: transform .2s; }
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a, .accordion-panel {
  padding: 0 1.25rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease, padding .3s;
}
.faq-item.open .faq-a,
.accordion-item.open .accordion-panel {
  padding: 0 1.25rem 1rem;
  max-height: 500px;
}
.accordion-icon { font-size: 1.25rem; color: var(--primary); transition: transform .2s; }
.accordion-item.open .accordion-icon { transform: rotate(45deg); }
.accordion-content { padding: 0 1.25rem; }
.faq-question { font-weight: 600; }
.faq-answer { color: var(--text-secondary); }
.faq-section { margin: 2rem 0; }
.faq-section-group { margin: 2.5rem 0; }

/* === CTA Section === */
.cta, .cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  padding: 3rem 0;
  text-align: center;
}
.cta h2, .cta-section h2 { color: #fff; border: none; }
.cta p, .cta-section p { color: rgba(255,255,255,.85); }
.cta-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin: 1.5rem 0; }
.cta-contact { margin-top: 1rem; font-size: 1.05rem; }
.cta-contact a { color: #fff; text-decoration: underline; }
.cta-contact-name, .cta-contact-phone { display: block; }
.cta-content { max-width: 600px; margin: 0 auto; }
.cta-info { margin-top: 1rem; font-size: .95rem; }

/* === Contact / Form === */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin: 1.5rem 0;
  text-align: center;
}
.contact-item .icon { font-size: 2rem; margin-bottom: .5rem; }
.contact-item .label { font-size: .85rem; opacity: .8; }
.contact-item .value { font-weight: 600; font-size: 1.05rem; }
.contact-form-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}
.contact-label { font-weight: 600; display: block; margin-bottom: .35rem; }
.contact-value { font-size: 1.05rem; }
.contact-person { font-weight: 600; }
.contact-phone { font-size: 1.1rem; color: var(--primary); }
.direct-contact { margin-top: 1.5rem; }

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

/* Forms */
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-weight: 600; margin-bottom: .35rem; font-size: .95rem; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  padding: .65rem .75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: .95rem;
  font-family: var(--font);
  transition: border-color .2s;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,82,217,.1);
}
.form-submit-btn {
  width: 100%;
  padding: .75rem;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s;
}
.form-submit-btn:hover { background: var(--primary-dark); }
.checkbox { margin-right: .5rem; }

/* === Footer === */
.site-footer, footer, .main-footer {
  background: var(--text);
  color: rgba(255,255,255,.7);
  padding: 2.5rem 0 1.5rem;
}
.site-footer a, footer a, .main-footer a { color: rgba(255,255,255,.9); }
.site-footer a:hover, footer a:hover, .main-footer a:hover { color: #fff; }
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-col h3, .footer-col h4 { color: #fff; margin-bottom: .75rem; font-size: 1rem; }
.footer-col ul { list-style: none; padding: 0; }
.footer-col li { margin-bottom: .4rem; list-style: none; }
.footer-col li a { font-size: .9rem; }
.footer-col p { font-size: .9rem; margin-bottom: .5rem; }
.copyright {
  text-align: center;
}

.copyright p {
  font-size: 14px;
  line-height: 1.8;
  font-weight: 400;
  padding: 20px 0;
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  border-top: 1px solid rgba(255,255,255,.15);
}

.copyright a {
  color: #007bff;
  text-decoration: none;
  margin: 0 10px;
}

.copyright a:hover {
  color: #0056b3;
  text-decoration: underline;
}

.mb-0 {
  margin-bottom: 0;
}
.footer-brand { font-size: 1.1rem; font-weight: 700; color: #fff; margin-bottom: .5rem; }
.footer-slogan { font-size: .9rem; }
.footer-logo { font-size: 1.2rem; font-weight: 700; color: #fff; margin-bottom: .75rem; }
.footer-links { margin-top: .5rem; }
.footer-nav { margin-top: .5rem; }
.footer-content { display: flex; gap: 2rem; flex-wrap: wrap; }
.footer-contact { margin-top: .5rem; }
.icp { font-size: .8rem; opacity: .6; }

/* === Breadcrumb === */
.breadcrumb { padding: .75rem 0; font-size: .85rem; color: var(--text-secondary); }
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { margin: 0 .35rem; opacity: .5; }

/* === Comparison === */
.comparison-section { margin: 2rem 0; }
.comparison-table th { position: sticky; top: 64px; z-index: 10; }
.compare-table th { position: sticky; top: 64px; z-index: 10; }
.compare-highlight { background: var(--primary-light) !important; font-weight: 600; }
.comparison-note {
  background: var(--bg-alt);
  padding: 1rem;
  border-radius: var(--radius);
  margin: 1rem 0;
  font-size: .9rem;
}
.comparison-conclusion {
  background: var(--primary-light);
  padding: 1.5rem;
  border-radius: var(--radius);
  margin: 1.5rem 0;
}

/* === Product Overview === */
.product-overview { margin: 2rem 0; }

/* === Hardware === */
.hardware-products { margin: 1.5rem 0; }

/* === Process / Steps === */
.process-flow, .steps {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin: 1.5rem 0;
}
.step {
  flex: 1;
  min-width: 200px;
  background: var(--bg-alt);
  padding: 1.5rem;
  border-radius: var(--radius);
  text-align: center;
}
.step-number {
  width: 40px;
  height: 40px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin: 0 auto .75rem;
}
.step-content h4 { margin-top: .5rem; }
.step-content p { font-size: .9rem; color: var(--text-secondary); }

/* === Guide / Criteria Cards === */
.guide-card, .criteria-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}
.criteria-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.5rem;
  margin: 1.5rem 0;
}
.criteria-number {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: .5rem;
}
.criteria-highlight {
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  padding: 1rem 1.5rem;
  border-radius: 0 var(--radius) var(--radius) 0;
}

/* === Pitfall Section === */
.pitfall-list { margin: 1.5rem 0; }
.pitfall-item {
  display: flex;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 1rem;
}
.pitfall-number {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: #FF6B6B;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .9rem;
}
.pitfall-icon { font-size: 1.5rem; flex-shrink: 0; }
.pitfall-content h4 { margin-top: 0; }
.pitfall-content p { font-size: .9rem; color: var(--text-secondary); margin-bottom: 0; }

/* === Checklist === */
.checklist-group { margin: 1.5rem 0; }
.checklist-section { margin-bottom: 1.5rem; }
.checklist-section h4 { margin-bottom: .75rem; }
.checklist {
  list-style: none;
  padding: 0;
}
.checklist li {
  padding: .5rem 0;
  padding-left: 1.5rem;
  position: relative;
  font-size: .95rem;
}
.checklist li::before {
  content: "☐";
  position: absolute;
  left: 0;
  color: var(--primary);
}
.checkbox { margin-right: .5rem; }

/* === Recommendations === */
.recommendations { margin: 1.5rem 0; }
.recommended {
  background: var(--accent);
  color: #fff;
  display: inline-block;
  padding: .25rem .75rem;
  border-radius: 4px;
  font-weight: 600;
  font-size: .85rem;
  margin-bottom: .5rem;
}

/* === Alert Boxes === */
.alert-box {
  padding: 1rem 1.5rem;
  border-radius: var(--radius);
  margin: 1rem 0;
}
.alert-warning {
  background: #FFF3CD;
  border: 1px solid #FFEEBA;
  color: #856404;
}

/* === Selection Guide === */
.selection-guide { margin: 2rem 0; }

/* === Trust Grid === */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.5rem;
  margin: 1.5rem 0;
}
.trust-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
}

/* === Function Cards === */
.function-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1rem;
}
.function-guide { margin: 2rem 0; }

/* === Device Info === */
.device { font-weight: 600; color: var(--primary-dark); }
.efficiency { color: var(--accent); font-weight: 600; }
.result { font-weight: 600; color: var(--accent); }

/* === Value List === */
.value-list {
  list-style: none;
  padding: 0;
}
.value-list li {
  padding: .5rem 0;
  padding-left: 1.5rem;
  position: relative;
}
.value-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}
.get-list { list-style: none; padding: 0; }
.get-list li { padding: .4rem 0; padding-left: 1.5rem; position: relative; }
.get-list li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }

/* === Maintenance Grid === */
.maintenance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.5rem;
  margin: 1.5rem 0;
}
.maintenance-item {
  background: var(--bg-alt);
  padding: 1.5rem;
  border-radius: var(--radius);
}

/* === ERP Content === */
.erp-content { margin: 1.5rem 0; }

/* === Technical Params === */
.technical-params { margin: 2rem 0; }

/* === Section Subtitle === */
.section h2 + p,
.section .subtitle {
  text-align: center;
  color: var(--text-secondary);
  max-width: 640px;
  margin: -0.5rem auto 1.5rem;
}

/* === Responsive === */
@media (max-width: 768px) {
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.3rem; }
  .hero, .hero-section { padding: 2rem 0; }
  .hero h1, .hero-section h1 { font-size: 1.6rem; }
  .hero-stats { gap: 1rem; }
  .stat-number { font-size: 1.5rem; }
  .section { padding: 2rem 0; }

  /* Hide main nav list on mobile (but not breadcrumb nav) */
  .main-nav .nav-list,
  .main-nav > ul,
  header nav > ul,
  header > .container > nav > ul {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg);
    flex-direction: column;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    z-index: 99;
  }
  /* Also handle pages where nav links are direct children of nav */
  header .main-nav {
    position: relative;
  }
  header .main-nav > a {
    display: none;
  }
  header .main-nav.open > a {
    display: block;
    padding: .5rem 0;
  }
  /* Show when open */
  .main-nav .nav-list.open,
  .main-nav.open > ul,
  header nav.open > ul,
  header > .container > nav.open > ul,
  .main-nav.open {
    display: flex;
  }
  .nav-toggle, .hamburger, .mobile-menu-toggle {
    display: block;
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
  }
  .nav-list { flex-direction: column; align-items: stretch; }
  .nav-list li { width: 100%; }
  .nav-list a { display: block; padding: .75rem .5rem; }

  .card-grid, .card-grid-2, .card-grid-4, .card-grid-5 { grid-template-columns: 1fr; }
  .features-grid, .feature-list { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .roi-flow { flex-direction: column; gap: 1rem; }
  .process-flow, .steps { flex-direction: column; }
  table { font-size: .85rem; }
  th, td { padding: .5rem .6rem; }
  .hero-buttons { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 1rem; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .highlight-grid { grid-template-columns: 1fr 1fr; }
  .criteria-grid { grid-template-columns: 1fr; }
}

/* === Print === */
@media print {
  header, footer, .cta-section, .cta, .nav-toggle { display: none; }
  body { font-size: 12pt; color: #000; }
  a { color: #000; text-decoration: underline; }
  .hero, .hero-section { background: #f0f0f0; color: #000; }
  .hero h1, .hero-section h1 { color: #000; }
}

/* === Accessibility === */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

[aria-hidden="true"] { pointer-events: none; }

/* === Additional classes === */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 1.5rem 0;
}
.header-brand { font-size: 1.25rem; font-weight: 700; color: var(--primary); }
.nav-links { display: flex; gap: .25rem; align-items: center; list-style: none; }
.nav-logo { font-size: 1.25rem; font-weight: 700; color: var(--primary); }
.price { font-size: 1.5rem; font-weight: 800; color: var(--primary); margin: .5rem 0; }