/* ========================================
   INXREY 英熙锐 - 电力测试仪器仪表官网
   全局样式表
   ======================================== */

/* --- CSS Variables --- */
:root {
  /* Klein Blue primary palette */
  --primary: #002fa7;
  --primary-dark: #001d66;
  --primary-light: #1e63ff;
  --primary-50: #f0f4ff;
  --primary-100: #d9e3ff;
  --primary-200: #b3c7ff;

  /* Champagne Gold accent */
  --accent: #d9a13a;
  --accent-dark: #b88520;
  --accent-light: #e8ba5c;
  --accent-50: #fdf6e9;
  --accent-100: #f9ebcd;

  /* Text palette - blue-tinted neutrals */
  --text-900: #0a1628;
  --text-800: #14213d;
  --text-700: #2d3a52;
  --text-600: #4a5774;
  --text-500: #64748b;
  --text-400: #94a3b8;
  --text-300: #cbd5e1;

  /* Backgrounds */
  --bg-white: #ffffff;
  --bg-50: #f7f9fc;
  --bg-100: #eef2f8;
  --bg-dark: #0a1628;
  --bg-darker: #050d1a;

  --border: #e2e8f0;
  --border-light: #eef2f7;

  --shadow-sm: 0 1px 2px 0 rgba(10, 22, 40, 0.04);
  --shadow: 0 4px 12px -2px rgba(10, 22, 40, 0.08), 0 2px 4px -2px rgba(10, 22, 40, 0.04);
  --shadow-lg: 0 16px 32px -8px rgba(10, 22, 40, 0.12), 0 4px 8px -4px rgba(10, 22, 40, 0.06);
  --shadow-xl: 0 24px 48px -12px rgba(10, 22, 40, 0.18);

  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;

  --container: 1200px;
  --nav-h: 72px;
}

/* Shared phone consultation dialog */
.phone-dialog {
  position: fixed;
  inset: 0;
  margin: auto;
  width: min(440px, calc(100vw - 32px));
  max-height: calc(100dvh - 32px);
  overflow-y: auto;
  padding: 36px 28px 24px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: #fff;
  color: var(--text-700);
  box-shadow: var(--shadow-xl);
  text-align: center;
}
.phone-dialog::backdrop { background: rgba(5, 13, 26, .65); backdrop-filter: blur(4px); }
.phone-dialog-close { position: absolute; top: 10px; right: 10px; width: 40px; height: 40px; border: 0; border-radius: 50%; background: var(--bg-50); color: var(--text-600); font-size: 28px; cursor: pointer; }
.phone-dialog-eyebrow { color: var(--accent-dark); font-size: 12px; font-weight: 700; letter-spacing: 2px; margin-bottom: 10px; }
.phone-dialog h2 { color: var(--text-900); font-size: 26px; margin: 0 0 8px; }
.phone-dialog-intro, .phone-dialog-hint { font-size: 13px; color: var(--text-500); }
.phone-dialog-number { display: block; margin: 14px 0 20px; font-size: clamp(24px, 7vw, 32px); font-weight: 700; color: var(--primary); white-space: nowrap; }
.phone-dialog-qr { width: 212px; max-width: 100%; padding: 7px; margin: 0 auto 12px; border: 1px solid var(--border); border-radius: 12px; background: #fff; }
.phone-dialog-qr img { width: 100%; height: auto; }
.phone-dialog-actions { display: flex; justify-content: center; gap: 12px; margin-top: 24px; }
.phone-dialog-actions .btn { flex: 1; padding: 12px 16px; }
.phone-copy { background: var(--primary-50); color: var(--primary); border: 1px solid var(--primary-100); }
.phone-dialog-status { min-height: 22px; margin-top: 12px; font-size: 12px; color: var(--text-600); }
.phone-dialog :focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-700);
  background: var(--bg-white);
  overflow-x: hidden;
}

.font-mono {
  font-family: "JetBrains Mono", "SF Mono", "Menlo", "Consolas", monospace;
  font-variant-numeric: tabular-nums;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

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

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* --- Layout --- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section-sm {
  padding: 60px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 48px;
}

.section-title h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-900);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.section-title p {
  font-size: 15px;
  color: var(--text-500);
  max-width: 640px;
  margin: 0 auto;
}

.section-title .eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 12px;
  position: relative;
  padding-left: 28px;
}

.section-title .eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 20px;
  height: 1px;
  background: var(--accent);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius);
  transition: all 0.25s ease;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(0, 47, 167, 0.3);
}

.btn-primary:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(0, 47, 167, 0.35);
}

.btn-outline {
  border: 1.5px solid var(--primary);
  color: var(--primary);
  background: transparent;
}

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
}

.btn-ghost {
  color: var(--text-700);
  background: transparent;
}

.btn-ghost:hover {
  color: var(--primary);
  background: var(--primary-50);
}

.btn-lg {
  padding: 14px 32px;
  font-size: 15px;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 13px;
}

/* --- Top Navigation --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: all 0.3s ease;
  height: var(--nav-h);
}

.site-header.scrolled {
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-logo-img {
  height: 36px;
  width: auto;
  display: block;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-menu > li {
  position: relative;
}

.nav-menu > li > a {
  display: block;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-700);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.nav-menu > li > a:hover,
.nav-menu > li.active > a {
  color: var(--primary);
}

.nav-menu > li.has-dropdown:hover > .nav-dropdown,
.nav-menu > li.has-dropdown:focus-within > .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 12px;
  min-width: 220px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
  border: 1px solid var(--border-light);
  z-index: 100;
}

.nav-dropdown li a {
  display: block;
  padding: 10px 16px;
  font-size: 14px;
  color: var(--text-700);
  border-radius: var(--radius);
  transition: all 0.2s ease;
  white-space: nowrap;
}

.nav-dropdown li a:hover {
  background: var(--primary-50);
  color: var(--primary);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--primary-50);
  border-radius: var(--radius);
}

.nav-phone-icon {
  width: 18px;
  height: 18px;
  color: var(--primary);
  flex-shrink: 0;
}

.nav-phone-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.nav-phone-label {
  font-size: 11px;
  color: var(--text-500);
}

.nav-phone-number {
  font-size: 15px;
  font-weight: 700;
  color: var(--primary);
  font-family: "JetBrains Mono", monospace;
  letter-spacing: -0.3px;
}

.mobile-menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  color: var(--text-700);
}

.mobile-menu-btn svg {
  width: 24px;
  height: 24px;
}

/* --- Mobile Menu --- */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-white);
  z-index: 999;
  padding: 20px;
  overflow-y: auto;
}

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

.mobile-menu li a {
  display: block;
  padding: 16px 20px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-800);
  border-bottom: 1px solid var(--border-light);
}

.mobile-menu .mobile-submenu {
  margin: 0 0 8px 18px;
  padding-left: 12px;
  border-left: 2px solid var(--primary-100);
}

.mobile-menu .mobile-submenu li a {
  padding: 11px 16px;
  font-size: 14px;
  color: var(--text-600);
}

/* Relay category landing pages */
.relay-landing-hero {
  padding: calc(var(--nav-h) + 36px) 0 54px;
  color: #fff;
  background: linear-gradient(135deg, #071a31 0%, #0d3158 62%, #0a4772 100%);
}

.relay-landing-hero .breadcrumb { padding: 0 0 28px; }
.relay-landing-hero .breadcrumb,
.relay-landing-hero .breadcrumb a { color: rgba(255,255,255,.68); }
.relay-landing-hero h1 { color: #fff; font-size: clamp(32px, 4vw, 50px); margin: 10px 0 14px; }
.relay-landing-hero p { max-width: 760px; color: rgba(255,255,255,.78); font-size: 17px; line-height: 1.8; }

.relay-product-intro { padding: 72px 0; }
.relay-product-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 64px; align-items: center; }
.relay-product-visual { min-height: 460px; display: flex; align-items: center; justify-content: center; padding: 28px; border: 1px solid var(--border-light); border-radius: 20px; background: #fff; box-shadow: var(--shadow-lg); }
.relay-product-visual img { width: 100%; max-height: 420px; object-fit: contain; }
.pd-model-placeholder { text-align: center; color: var(--primary); }
.pd-model-placeholder strong { display: block; font: 700 clamp(38px, 6vw, 68px)/1 "JetBrains Mono", monospace; letter-spacing: .04em; }
.pd-model-placeholder span { display: block; margin-top: 16px; color: var(--text-500); font-size: 13px; letter-spacing: .12em; }
.relay-product-model { color: var(--primary); font: 700 18px/1 "JetBrains Mono", monospace; letter-spacing: .08em; }
.relay-product-copy h2 { margin: 12px 0 18px; font-size: clamp(28px, 3vw, 40px); }
.relay-product-copy > p { color: var(--text-600); font-size: 16px; line-height: 1.85; }
.relay-spec-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 28px 0 30px; }
.relay-spec { padding: 16px; border-radius: 12px; background: var(--primary-50); border: 1px solid var(--primary-100); }
.relay-spec strong { display: block; color: var(--primary); font-size: 20px; line-height: 1.2; }
.relay-spec span { display: block; margin-top: 6px; color: var(--text-500); font-size: 12px; }
.relay-feature-section { padding: 76px 0; background: var(--bg-gray); }
.relay-section-heading { max-width: 720px; margin-bottom: 34px; }
.relay-section-heading h2 { font-size: clamp(27px, 3vw, 38px); margin: 8px 0 12px; }
.relay-section-heading p { color: var(--text-600); line-height: 1.75; }
.relay-feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.relay-feature-card { padding: 28px 24px; border: 1px solid var(--border-light); border-radius: 16px; background: #fff; }
.relay-feature-card b { display: block; margin-bottom: 10px; color: var(--text-900); font-size: 17px; }
.relay-feature-card p { color: var(--text-600); font-size: 14px; line-height: 1.7; }
.relay-details-section { padding: 76px 0; }
.relay-detail-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 56px; align-items: start; }
.relay-gallery { position: sticky; top: calc(var(--nav-h) + 24px); }
.relay-gallery img { width: 100%; border-radius: 16px; border: 1px solid var(--border-light); background: #fff; }
.relay-gallery img + img { margin-top: 16px; }
.relay-param-table { width: 100%; border-collapse: collapse; overflow: hidden; border-radius: 14px; border: 1px solid var(--border-light); }
.relay-param-table th, .relay-param-table td { padding: 15px 18px; border-bottom: 1px solid var(--border-light); text-align: left; }
.relay-param-table th { width: 40%; color: var(--text-700); background: var(--bg-gray); font-weight: 600; }
.relay-param-table td { color: var(--text-700); }
.relay-module-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.relay-module-list span { padding: 8px 13px; border-radius: 999px; color: var(--primary); background: var(--primary-50); border: 1px solid var(--primary-100); font-size: 13px; }

@media (max-width: 900px) {
  .relay-product-grid, .relay-detail-grid { grid-template-columns: 1fr; gap: 34px; }
  .relay-product-visual { min-height: 320px; }
  .relay-feature-grid { grid-template-columns: repeat(2, 1fr); }
  .relay-gallery { position: static; }
}

@media (max-width: 560px) {
  .relay-landing-hero { padding-top: calc(var(--nav-h) + 24px); }
  .relay-product-intro, .relay-feature-section, .relay-details-section { padding: 52px 0; }
  .relay-feature-grid { grid-template-columns: 1fr; }
  .relay-product-visual { min-height: 260px; padding: 16px; }
  .relay-param-table th, .relay-param-table td { padding: 12px; font-size: 13px; }
}

/* --- Breadcrumb --- */
.breadcrumb {
  padding: 24px 0;
  font-size: 13px;
  color: var(--text-500);
}

.breadcrumb a {
  color: var(--text-500);
}

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

.breadcrumb-sep {
  margin: 0 8px;
  color: var(--text-400);
}

.breadcrumb-current {
  color: var(--text-700);
  font-weight: 500;
}

/* --- Page Hero (inner pages) --- */
.page-hero {
  padding-top: calc(var(--nav-h) + 40px);
  padding-bottom: 40px;
  background: linear-gradient(180deg, var(--primary-50) 0%, var(--bg-white) 100%);
}

.page-hero-content h1 {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-900);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.page-hero-content p {
  font-size: 16px;
  color: var(--text-600);
  max-width: 720px;
}

/* --- Product Card --- */
.product-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.product-card-img {
  aspect-ratio: 4 / 3;
  background: var(--bg-50);
  overflow: hidden;
  position: relative;
}

.product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-card:hover .product-card-img img {
  transform: scale(1.05);
}

.product-card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 600;
  background: var(--primary);
  color: #fff;
  border-radius: 4px;
  letter-spacing: 0.5px;
}

.product-card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-card-model {
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  font-family: "JetBrains Mono", monospace;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.product-card-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-900);
  margin-bottom: 8px;
  line-height: 1.4;
}

.product-card-desc {
  font-size: 13px;
  color: var(--text-500);
  line-height: 1.6;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.product-tag {
  padding: 3px 8px;
  font-size: 11px;
  color: var(--text-600);
  background: var(--bg-100);
  border-radius: 4px;
}

.product-card-link {
  margin-top: auto;
  font-size: 13px;
  font-weight: 500;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.product-card-link:hover {
  gap: 8px;
}

.product-card-link svg {
  width: 14px;
  height: 14px;
  transition: transform 0.2s ease;
}

/* --- Category Icon Grid --- */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.category-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: left;
  transition: all 0.3s ease;
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.category-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.category-icon {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  background: var(--primary-50);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  transition: all 0.3s ease;
}

.category-card:hover .category-icon {
  background: var(--primary);
  color: #fff;
}

.category-icon svg {
  width: 26px;
  height: 26px;
}

.category-info h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-900);
  margin-bottom: 4px;
}

.category-info p {
  font-size: 13px;
  color: var(--text-500);
  line-height: 1.5;
}

.category-count {
  font-size: 12px;
  color: var(--primary);
  font-weight: 500;
  margin-top: 6px;
}

/* --- Stats --- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-item {
  text-align: center;
  padding: 32px 20px;
}

.stat-number {
  font-size: 48px;
  font-weight: 700;
  color: var(--primary);
  font-family: "JetBrains Mono", monospace;
  line-height: 1;
  margin-bottom: 10px;
  letter-spacing: -2px;
}

.stat-number .unit {
  font-size: 20px;
  font-weight: 500;
  margin-left: 2px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-600);
  font-weight: 500;
}

/* --- Solution Cards --- */
.solution-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 0.3s ease;
}

.solution-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: transparent;
  transform: translateY(-2px);
}

.solution-card-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-50);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 16px;
}

.solution-card-icon svg {
  width: 24px;
  height: 24px;
}

.solution-card h4 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-900);
  margin-bottom: 10px;
}

.solution-card p {
  font-size: 14px;
  color: var(--text-500);
  line-height: 1.6;
}

.solution-items {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.solution-tag {
  padding: 4px 10px;
  font-size: 12px;
  color: var(--text-600);
  background: var(--bg-100);
  border-radius: 4px;
}

/* --- Scene Cards --- */
.scene-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.scene-card {
  position: relative;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
}

.scene-card-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--text-900) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.scene-card-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.scene-card-icon {
  width: 48px;
  height: 48px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 16px;
  z-index: 1;
  position: relative;
}

.scene-card-overlay {
  position: absolute;
  inset: 0;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: linear-gradient(180deg, transparent 40%, rgba(0, 29, 102, 0.8) 100%);
  z-index: 2;
  transition: all 0.3s ease;
}

.scene-card:hover .scene-card-overlay {
  background: linear-gradient(180deg, rgba(0, 47, 167, 0.1) 0%, rgba(0, 47, 167, 0.7) 100%);
}

.scene-card h4 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
  z-index: 1;
  position: relative;
}

.scene-card p {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
  z-index: 1;
  position: relative;
}

/* --- Homepage application scenarios carousel --- */
.scene-carousel {
  position: relative;
}

.scene-track {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
  padding: 6px 2px 16px;
  -webkit-overflow-scrolling: touch;
}

.scene-track::-webkit-scrollbar {
  display: none;
}

.scene-slide {
  flex: 0 0 calc(50% - 12px);
  min-width: 0;
  scroll-snap-align: start;
}

.scene-slide .scene-card {
  aspect-ratio: 16 / 10;
  height: 100%;
  box-shadow: var(--shadow-md);
}

.scene-slide .scene-card-bg {
  position: absolute;
  inset: 0;
}

.scene-slide .scene-card-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.scene-slide .scene-card-overlay {
  padding: 32px;
}

.scene-card-index {
  display: inline-block;
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--accent-light);
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}

.scene-slide .scene-card h4 {
  font-size: 24px;
  margin-bottom: 8px;
}

.scene-slide .scene-card p {
  font-size: 14px;
  max-width: 92%;
}

.scene-arrow {
  position: absolute;
  top: calc(50% - 16px);
  z-index: 5;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(0, 29, 102, 0.14);
  transition: all 0.25s ease;
}

.scene-arrow svg {
  width: 22px;
  height: 22px;
}

.scene-arrow:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.scene-arrow:disabled {
  opacity: 0.35;
  cursor: default;
  background: #fff;
  color: var(--primary);
}

.scene-prev { left: -22px; }
.scene-next { right: -22px; }

.scene-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 4px;
}

.scene-dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: var(--border);
  cursor: pointer;
  transition: all 0.25s ease;
}

.scene-dot.active {
  width: 22px;
  border-radius: 6px;
  background: var(--primary);
}

@media (max-width: 768px) {
  .scene-track {
    gap: 14px;
    padding: 4px 2px 10px;
  }
  .scene-slide {
    flex: 0 0 100%;
  }
  .scene-slide .scene-card {
    aspect-ratio: 16 / 11;
  }
  .scene-slide .scene-card-overlay {
    padding: 22px;
  }
  .scene-slide .scene-card h4 {
    font-size: 19px;
  }
  .scene-slide .scene-card p {
    font-size: 13px;
  }
  .scene-arrow {
    width: 40px;
    height: 40px;
    top: calc(50% - 14px);
  }
  .scene-prev { left: 8px; }
  .scene-next { right: 8px; }
}

/* --- News Card --- */
.news-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s ease;
  cursor: pointer;
}

.news-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: transparent;
  transform: translateY(-2px);
}

.news-card-body {
  padding: 24px;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.news-category {
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-50);
  border-radius: 4px;
  letter-spacing: 0.3px;
}

.news-date {
  font-size: 12px;
  color: var(--text-400);
  font-family: "JetBrains Mono", monospace;
}

.news-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-900);
  margin-bottom: 10px;
  line-height: 1.45;
}

.news-summary {
  font-size: 13px;
  color: var(--text-500);
  line-height: 1.6;
}

.news-card-link {
  margin-top: 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* --- Contact CTA Section --- */
.contact-cta {
  background: linear-gradient(135deg, var(--text-900) 0%, #1a3a37 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.contact-cta::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 47, 167, 0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.contact-cta-content {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.contact-cta-text h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
}

.contact-cta-text p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 15px;
}

.contact-cta-actions {
  display: flex;
  gap: 20px;
  flex-shrink: 0;
}

.contact-action {
  text-align: center;
  padding: 24px 32px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
}

.contact-action:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.contact-action-icon {
  width: 44px;
  height: 44px;
  margin: 0 auto 12px;
  background: var(--primary);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.contact-action-icon svg {
  width: 22px;
  height: 22px;
}

.contact-action-label {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 4px;
}

.contact-action-value {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
}

.contact-action-phone .contact-action-value {
  font-family: "JetBrains Mono", monospace;
  letter-spacing: -0.3px;
}

/* --- Footer --- */
.site-footer {
  background: var(--bg-darker);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.footer-brand .brand-logo {
  width: 44px;
  height: 44px;
  font-size: 16px;
}

.footer-brand .brand-en {
  font-size: 22px;
  color: #fff;
}

.footer-brand .brand-cn {
  color: rgba(255, 255, 255, 0.5);
}

.footer-about p {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 16px;
}

.footer-info {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 13px;
}

.footer-info-item {
  display: flex;
  gap: 10px;
  color: rgba(255, 255, 255, 0.6);
}

.footer-info-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--primary);
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col ul li a {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  transition: color 0.2s ease;
}

.footer-col ul li a:hover {
  color: var(--primary-light);
}

.footer-bottom {
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom-links a:hover {
  color: var(--primary-light);
}

/* --- Floating Side Bar --- */
.float-bar {
  position: fixed;
  right: 20px;
  bottom: 80px;
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.float-btn {
  width: 52px;
  height: 52px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--text-600);
  font-size: 10px;
  position: relative;
}

.float-btn:hover {
  background: var(--primary);
  color: #fff;
  transform: translateX(-2px);
}

.float-btn svg {
  width: 20px;
  height: 20px;
}

.float-qr-popup {
  position: absolute;
  right: 64px;
  top: 50%;
  transform: translateY(-50%);
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-xl);
  padding: 16px;
  width: 180px;
  text-align: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  pointer-events: none;
}

.float-btn:hover .float-qr-popup {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) translateX(-4px);
}

.float-qr-popup::after {
  content: "";
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  background: #fff;
  transform: translateY(-50%) rotate(45deg);
}

.float-qr-img {
  width: 148px;
  height: 148px;
  margin: 0 auto 8px;
  background: var(--bg-50);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-400);
  font-size: 12px;
}

.float-qr-popup p {
  font-size: 12px;
  color: var(--text-700);
  font-weight: 500;
}

.float-qr-popup span {
  font-size: 11px;
  color: var(--text-400);
  display: block;
  margin-top: 2px;
}

.back-to-top {
  display: none;
}

.back-to-top.visible {
  display: flex;
}

/* --- Banner / Hero --- */
.hero-banner {
  position: relative;
  padding-top: var(--nav-h);
  min-height: 600px;
  overflow: hidden;
  background: linear-gradient(135deg, #050d1a 0%, #002fa7 50%, #1e63ff 100%);
  display: flex;
  align-items: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M0 40L40 0l40 40-40 40L0 40zM40 20L20 40l20 20 20-20L40 20z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-pattern {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(0, 47, 167, 0.3) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 30%, rgba(217, 161, 58, 0.18) 0%, transparent 50%);
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 80px 0;
}

.hero-text .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(0, 47, 167, 0.2);
  border: 1px solid rgba(0, 47, 167, 0.4);
  border-radius: 999px;
  font-size: 13px;
  color: var(--primary-light);
  margin-bottom: 24px;
  font-weight: 500;
}

.hero-text h1 {
  font-size: 48px;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -1px;
}

.hero-text .subtitle {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 36px;
  line-height: 1.6;
}

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

.hero-cta .btn-primary {
  background: #fff;
  color: var(--primary-dark);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.hero-cta .btn-primary:hover {
  background: var(--primary-50);
  color: var(--primary-dark);
}

.hero-cta .btn-outline {
  border-color: rgba(255, 255, 255, 0.4);
  color: #fff;
}

.hero-cta .btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  color: #fff;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-product-img {
  width: 100%;
  max-width: 480px;
  aspect-ratio: 4 / 3;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
  backdrop-filter: blur(10px);
}

.hero-product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-specs {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  box-shadow: var(--shadow-xl);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.hero-spec-item {
  text-align: center;
}

.hero-spec-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  font-family: "JetBrains Mono", monospace;
}

.hero-spec-label {
  font-size: 11px;
  color: var(--text-500);
  margin-top: 2px;
}

/* --- Feature Products --- */
.feature-products {
  background: var(--bg-50);
}

.product-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* --- About Section --- */
.about-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 47, 167, 0.1) 0%, transparent 50%);
}

.about-text h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-900);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.about-text .lead {
  font-size: 16px;
  color: var(--text-600);
  line-height: 1.8;
  margin-bottom: 24px;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 28px;
}

.about-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.about-feature-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  color: var(--primary);
  margin-top: 2px;
}

.about-feature-item span {
  font-size: 14px;
  color: var(--text-700);
}

/* --- Tabs --- */
.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 2px solid var(--border);
  margin-bottom: 32px;
  overflow-x: auto;
  scrollbar-width: none;
}

.tabs::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-500);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--primary);
}

.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 600;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* --- Product List Page --- */
.products-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
}

.sidebar-categories {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: sticky;
  top: calc(var(--nav-h) + 20px);
  align-self: flex-start;
}

.sidebar-cat-title {
  padding: 20px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-900);
  border-bottom: 1px solid var(--border);
}

.sidebar-cat-list li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  font-size: 14px;
  color: var(--text-700);
  transition: all 0.2s ease;
  border-left: 3px solid transparent;
}

.sidebar-cat-list li a:hover,
.sidebar-cat-list li.active a {
  color: var(--primary);
  background: var(--primary-50);
  border-left-color: var(--primary);
}

.sidebar-cat-count {
  font-size: 12px;
  color: var(--text-400);
  background: var(--bg-100);
  padding: 2px 8px;
  border-radius: 10px;
}

.sidebar-cat-list li.active .sidebar-cat-count,
.sidebar-cat-list li a:hover .sidebar-cat-count {
  background: var(--primary);
  color: #fff;
}

.category-intro {
  background: var(--primary-50);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 28px;
  border-left: 4px solid var(--primary);
}

.category-intro h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-900);
  margin-bottom: 8px;
}

.category-intro p {
  font-size: 14px;
  color: var(--text-600);
  line-height: 1.7;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* --- Product Detail --- */
.product-detail-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  margin-bottom: 48px;
}

.product-gallery {
  position: relative;
}

.product-main-image {
  aspect-ratio: 4 / 3;
  background: var(--bg-50);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 12px;
}

.product-main-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-thumbs {
  display: flex;
  gap: 10px;
}

.product-thumb {
  width: 70px;
  height: 70px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  transition: all 0.2s ease;
}

.product-thumb:hover,
.product-thumb.active {
  border-color: var(--primary);
}

.product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-info h1 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-900);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.product-model-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.product-model {
  font-family: "JetBrains Mono", monospace;
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-50);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
}

.product-series-tags {
  display: flex;
  gap: 6px;
}

.product-series-tag {
  padding: 6px 12px;
  font-size: 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid var(--border);
  color: var(--text-600);
  transition: all 0.2s ease;
  font-weight: 500;
}

.product-series-tag:hover,
.product-series-tag.active {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-50);
}

.product-spec-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.product-spec-tag {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--bg-50);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text-700);
}

.product-spec-tag::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
}

.product-desc {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-600);
  margin-bottom: 28px;
}

.product-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.product-contact-info {
  margin-left: auto;
  padding: 12px 20px;
  background: var(--primary-50);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 12px;
}

.product-contact-info svg {
  width: 20px;
  height: 20px;
  color: var(--primary);
}

.product-contact-info-text span {
  font-size: 11px;
  color: var(--text-500);
  display: block;
}

.product-contact-info-text strong {
  font-size: 16px;
  color: var(--primary);
  font-weight: 700;
  font-family: "JetBrains Mono", monospace;
}

/* --- Parameter Table --- */
.param-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.param-table th,
.param-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.param-table th {
  background: var(--bg-50);
  font-weight: 600;
  color: var(--text-700);
  white-space: nowrap;
}

.param-table tr:hover td {
  background: var(--primary-50);
}

.param-table td:first-child {
  font-weight: 500;
  color: var(--text-700);
  width: 200px;
}

.param-group-title {
  background: var(--primary) !important;
  color: #fff !important;
  font-size: 15px;
  padding: 14px 16px !important;
}

/* --- Compare Table --- */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.compare-table th,
.compare-table td {
  padding: 14px 16px;
  text-align: center;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
}

.compare-table th:last-child,
.compare-table td:last-child {
  border-right: none;
}

.compare-table th {
  background: var(--bg-50);
  font-weight: 600;
  color: var(--text-800);
  padding: 18px 16px;
}

.compare-table td:first-child {
  text-align: left;
  font-weight: 500;
  color: var(--text-700);
  background: var(--bg-50);
  width: 160px;
}

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

.compare-table .highlight {
  color: var(--primary);
  font-weight: 600;
}

/* --- Solution Page --- */
.solution-tabs {
  margin-bottom: 40px;
}

.solution-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.solution-object-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 0.3s ease;
}

.solution-object-card:hover {
  box-shadow: var(--shadow);
  border-color: var(--primary-100);
}

.solution-object-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.solution-object-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-50);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.solution-object-icon svg {
  width: 24px;
  height: 24px;
}

.solution-object-header h4 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-900);
}

.solution-object-header .recommend-model {
  font-size: 11px;
  color: var(--primary);
  font-family: "JetBrains Mono", monospace;
  margin-top: 2px;
}

.solution-object-items {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.solution-object-item {
  padding: 4px 10px;
  font-size: 12px;
  color: var(--text-600);
  background: var(--bg-100);
  border-radius: 4px;
}

.solution-object-desc {
  font-size: 13px;
  color: var(--text-500);
  line-height: 1.6;
}

/* --- Process Flow --- */
.process-flow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  position: relative;
}

.process-step {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  text-align: center;
  position: relative;
  transition: all 0.3s ease;
}

.process-step:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.process-step-num {
  width: 36px;
  height: 36px;
  margin: 0 auto 12px;
  background: var(--primary-50);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-family: "JetBrains Mono", monospace;
}

.process-step:hover .process-step-num {
  background: var(--primary);
  color: #fff;
}

.process-step h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-900);
  margin-bottom: 8px;
}

.process-step p {
  font-size: 13px;
  color: var(--text-500);
  line-height: 1.5;
}

.process-arrow {
  position: absolute;
  top: 50%;
  right: -12px;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  color: var(--text-300);
  z-index: 1;
}

/* --- Deliverables --- */
.deliverables-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.deliverable-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  transition: all 0.3s ease;
}

.deliverable-card:hover {
  box-shadow: var(--shadow);
  border-color: var(--primary-100);
  transform: translateY(-2px);
}

.deliverable-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: var(--primary-50);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.deliverable-icon svg {
  width: 28px;
  height: 28px;
}

.deliverable-card h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-900);
  margin-bottom: 8px;
}

.deliverable-card p {
  font-size: 13px;
  color: var(--text-500);
  line-height: 1.6;
}

/* --- About Page --- */
.about-hero {
  padding-top: calc(var(--nav-h) + 60px);
  padding-bottom: 60px;
  background: linear-gradient(180deg, var(--primary-50) 0%, var(--bg-white) 100%);
}

.about-hero h1 {
  font-size: 40px;
  font-weight: 700;
  color: var(--text-900);
  text-align: center;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.about-hero p {
  text-align: center;
  font-size: 17px;
  color: var(--text-600);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.7;
}

.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.value-card {
  text-align: center;
  padding: 40px 32px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
}

.value-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: transparent;
  transform: translateY(-4px);
}

.value-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: var(--primary-50);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  transition: all 0.3s ease;
}

.value-card:hover .value-icon {
  background: var(--primary);
  color: #fff;
  transform: scale(1.1);
}

.value-icon svg {
  width: 32px;
  height: 32px;
}

.value-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-900);
  margin-bottom: 10px;
}

.value-card p {
  font-size: 14px;
  color: var(--text-500);
  line-height: 1.7;
}

/* --- R&D Section --- */
.rd-section {
  background: var(--bg-50);
}

.rd-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.rd-image {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary-100), var(--primary-50));
  display: flex;
  align-items: center;
  justify-content: center;
}

.rd-text h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--text-900);
  margin-bottom: 16px;
}

.rd-text > p {
  font-size: 15px;
  color: var(--text-600);
  margin-bottom: 24px;
  line-height: 1.8;
}

.rd-capabilities {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 28px;
}

.rd-cap {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-700);
}

.rd-cap-dot {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  flex-shrink: 0;
}

.quality-flow {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
}

.quality-step {
  padding: 10px 16px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-700);
  border-radius: var(--radius-sm);
}

.quality-arrow {
  width: 20px;
  color: var(--primary);
  text-align: center;
}

/* --- Service Clients --- */
.client-logos {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.client-item {
  aspect-ratio: 3 / 2;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.3s ease;
  padding: 20px;
  text-align: center;
}

.client-item:hover {
  box-shadow: var(--shadow);
  border-color: var(--primary-100);
}

.client-icon {
  width: 40px;
  height: 40px;
  color: var(--primary);
}

.client-item span {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-700);
}

/* --- Service System --- */
.service-flow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-step {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  position: relative;
  transition: all 0.3s ease;
}

.service-step:hover {
  box-shadow: var(--shadow);
  border-color: var(--primary-100);
  transform: translateY(-2px);
}

.service-step-num {
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 48px;
  font-weight: 700;
  color: var(--primary-50);
  font-family: "JetBrains Mono", monospace;
  line-height: 1;
}

.service-step-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-50);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.service-step-icon svg {
  width: 24px;
  height: 24px;
}

.service-step h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-900);
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}

.service-step p {
  font-size: 14px;
  color: var(--text-500);
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

/* --- Contact Page --- */
.contact-page {
  padding-top: calc(var(--nav-h) + 40px);
  padding-bottom: 80px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-info-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.contact-info-card h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-900);
  margin-bottom: 28px;
}

.contact-detail-item {
  display: flex;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border-light);
}

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

.contact-detail-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-50);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.contact-detail-icon svg {
  width: 22px;
  height: 22px;
}

.contact-detail-text h4 {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-500);
  margin-bottom: 4px;
}

.contact-detail-text p {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-900);
  line-height: 1.4;
}

.contact-detail-text a {
  color: var(--primary);
  font-weight: 700;
  font-family: "JetBrains Mono", monospace;
  font-size: 22px;
}

.contact-qr-card {
  background: linear-gradient(135deg, var(--text-900) 0%, #1a3a37 100%);
  border-radius: var(--radius-lg);
  padding: 40px;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.contact-qr-card::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -20%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0, 47, 167, 0.2) 0%, transparent 70%);
  border-radius: 50%;
}

.contact-qr-img-large {
  width: 220px;
  height: 220px;
  background: #fff;
  border-radius: var(--radius);
  padding: 12px;
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-qr-img-large .qr-placeholder {
  width: 100%;
  height: 100%;
  background: var(--bg-50);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-400);
  font-size: 12px;
  gap: 6px;
}

.contact-qr-card h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 8px;
  position: relative;
  z-index: 1;
}

.contact-qr-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  position: relative;
  z-index: 1;
}

/* --- Insight detail expand --- */
.insight-detail {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.insight-detail.open {
  max-height: 800px;
}

.insight-detail-inner {
  padding: 20px 24px;
  background: var(--bg-50);
  border-top: 1px solid var(--border);
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-700);
}

.insight-detail-inner h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-900);
  margin: 16px 0 8px;
}

.insight-detail-inner h4:first-child {
  margin-top: 0;
}

.insight-detail-inner ul {
  padding-left: 20px;
  margin: 8px 0;
}

.insight-detail-inner ul li {
  list-style: disc;
  margin-bottom: 6px;
  color: var(--text-600);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .scene-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero-cta {
    justify-content: center;
  }

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

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

  .solution-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .client-logos {
    grid-template-columns: repeat(3, 1fr);
  }

  .product-detail-hero {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-h: 60px;
  }

  .section {
    padding: 48px 0;
  }

  .section-title {
    margin-bottom: 32px;
  }

  .section-title h2 {
    font-size: 24px;
  }

  .nav-menu {
    display: none;
  }

  .nav-phone {
    display: none;
  }

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

  .brand-en {
    font-size: 16px;
  }

  .brand-cn {
    font-size: 10px;
  }

  .hero-banner {
    min-height: 500px;
  }

  .hero-content {
    padding: 60px 0;
  }

  .hero-text h1 {
    font-size: 30px;
  }

  .hero-text .subtitle {
    font-size: 15px;
  }

  .hero-specs {
    display: none;
  }

  .product-grid-3 {
    grid-template-columns: 1fr;
  }

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .stat-item {
    padding: 20px 12px;
  }

  .stat-number {
    font-size: 32px;
  }

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

  .news-grid-3 {
    grid-template-columns: 1fr;
  }

  .about-section {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about-text h2 {
    font-size: 24px;
  }

  .contact-cta-content {
    flex-direction: column;
    text-align: center;
  }

  .contact-cta-actions {
    flex-direction: column;
    width: 100%;
  }

  .contact-action {
    padding: 20px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .float-bar {
    right: 12px;
    bottom: 60px;
  }

  .float-btn {
    width: 44px;
    height: 44px;
    font-size: 9px;
  }

  .float-btn svg {
    width: 18px;
    height: 18px;
  }

  .products-layout {
    grid-template-columns: 1fr;
  }

  .sidebar-categories {
    position: static;
  }

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

  .solution-grid-3 {
    grid-template-columns: 1fr;
  }

  .process-flow {
    grid-template-columns: 1fr;
  }

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

  .about-hero h1 {
    font-size: 28px;
  }

  .about-hero p {
    font-size: 15px;
  }

  .about-values {
    grid-template-columns: 1fr;
  }

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

  .rd-capabilities {
    grid-template-columns: 1fr;
  }

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

  .service-flow {
    grid-template-columns: 1fr;
  }

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

  .contact-info-card {
    padding: 24px;
  }

  .page-hero-content h1 {
    font-size: 26px;
  }

  .product-info h1 {
    font-size: 22px;
  }

  .param-table th,
  .param-table td {
    padding: 10px 12px;
    font-size: 13px;
  }

  .compare-table th,
  .compare-table td {
    padding: 10px 12px;
    font-size: 13px;
  }

  .quality-flow {
    flex-direction: column;
    align-items: flex-start;
  }

  .quality-arrow {
    transform: rotate(90deg);
  }

  /* V2 element mobile fixes */
  .sw-screenshot-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .sw-screenshot-label {
    font-size: 12px;
    padding: 10px 12px;
  }

  .product-icon-card-header {
    gap: 12px;
  }

  .product-icon-badge {
    width: 44px;
    height: 44px;
    font-size: 11px;
  }

  .float-consult {
    right: 12px;
    bottom: 12px;
    padding: 10px 14px;
    font-size: 13px;
  }

  .float-consult-accent {
    display: none;
  }

  .category-intro h3 {
    font-size: 18px;
  }
}

/* =========================================
   V2 Upgrade - Klein Blue + Gold additions
   ========================================= */

/* --- Scroll Reveal Animation --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* --- Numbered Card / Step styling --- */
.num-card {
  position: relative;
  padding-top: 20px;
}

.num-card-number {
  position: absolute;
  top: 0;
  left: 20px;
  font-size: 48px;
  font-weight: 800;
  color: var(--accent);
  font-family: "JetBrains Mono", monospace;
  line-height: 1;
  opacity: 0.15;
  pointer-events: none;
}

.num-card .num-card-body {
  position: relative;
  z-index: 1;
}

/* --- Card top accent border --- */
.card-accent-top {
  position: relative;
}

.card-accent-top::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-light) 100%);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.card-accent-blue::before {
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
}

/* --- Gold stage/phase label --- */
.stage-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  font-size: 11px;
  font-weight: 600;
  color: var(--accent-dark);
  background: var(--accent-50);
  border: 1px solid var(--accent-100);
  border-radius: 4px;
  letter-spacing: 0.5px;
}

.stage-tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* --- Blue + light gradient product card image area --- */
.product-gradient-bg {
  aspect-ratio: 4 / 3;
  background: linear-gradient(160deg, var(--primary-50) 0%, var(--primary-100) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  position: relative;
  overflow: hidden;
}

.product-gradient-bg img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.5s ease;
}

.product-card:hover .product-gradient-bg img {
  transform: scale(1.05);
}

/* --- Product detail expand panel --- */
.product-expand-panel {
  display: none;
  border-top: 1px solid var(--border-light);
  background: var(--bg-50);
  padding: 24px;
  grid-column: 1 / -1;
}

.product-expand-panel.open {
  display: block;
}

.product-expand-inner {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.product-expand-inner h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--accent);
  display: inline-block;
}

.product-expand-inner h5 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-900);
  margin: 20px 0 10px;
}

.product-expand-inner p {
  font-size: 14px;
  color: var(--text-600);
  line-height: 1.8;
  margin-bottom: 12px;
}

.product-expand-inner ul {
  list-style: none;
  padding: 0;
  margin: 0 0 12px;
}

.product-expand-inner ul li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  color: var(--text-700);
  line-height: 2;
}

.product-expand-inner ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.product-expand-close {
  float: right;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-100);
  color: var(--text-500);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

.product-expand-close:hover {
  background: var(--primary);
  color: #fff;
}

.product-expand-close svg {
  width: 16px;
  height: 16px;
}

/* --- Product spec table (golden style) --- */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 13px;
}

.spec-table th {
  background: var(--primary-dark);
  color: #fff;
  font-weight: 600;
  padding: 10px 14px;
  text-align: left;
  font-size: 13px;
}

.spec-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-700);
}

.spec-table tr:nth-child(even) td {
  background: var(--bg-50);
}

.spec-table tr:hover td {
  background: var(--primary-50);
}

.spec-table td:first-child {
  font-weight: 500;
  color: var(--text-800);
  width: 35%;
  position: relative;
  padding-left: 24px;
}

.spec-table td:first-child::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--accent);
}

/* --- Software screenshot grid --- */
.sw-screenshot-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 32px;
}

.sw-screenshot-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.3s ease;
}

.sw-screenshot-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-100);
}

.sw-screenshot-img {
  aspect-ratio: 4 / 3;
  background: var(--primary-50);
  overflow: hidden;
  position: relative;
}

.sw-screenshot-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.sw-screenshot-item:hover .sw-screenshot-img img {
  transform: scale(1.08);
}

.sw-screenshot-label {
  padding: 12px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-800);
  text-align: center;
  border-top: 2px solid var(--accent);
}

/* --- Lightbox for software screenshots --- */
.sw-lightbox {
  position: fixed;
  inset: 0;
  background: rgba(5, 13, 26, 0.92);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.sw-lightbox.open {
  display: flex;
}

.sw-lightbox img {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: var(--radius-lg);
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.5);
}

.sw-lightbox-close {
  position: absolute;
  top: 24px;
  right: 32px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}

.sw-lightbox-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: rotate(90deg);
}

.sw-lightbox-close svg {
  width: 22px;
  height: 22px;
}

.sw-lightbox-caption {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  color: #fff;
  font-size: 15px;
  font-weight: 500;
  padding: 8px 20px;
  background: rgba(0, 0, 0, 0.4);
  border-radius: 999px;
}

/* --- Deep blue banner with texture --- */
.dark-blue-banner {
  position: relative;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--bg-dark) 100%);
  overflow: hidden;
}

.dark-blue-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("../images/blueprint-grid.webp");
  background-size: cover;
  background-position: center;
  opacity: 0.08;
  pointer-events: none;
}

.dark-blue-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 20% 50%, rgba(30, 99, 255, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

.dark-blue-banner > * {
  position: relative;
  z-index: 1;
}

.grid-texture-bg {
  position: relative;
}

.grid-texture-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("../images/grid-texture.webp");
  background-size: cover;
  background-position: center;
  opacity: 0.05;
  pointer-events: none;
}

.grid-texture-bg > * {
  position: relative;
  z-index: 1;
}

/* --- Floating consultation button (bottom-right capsule) --- */
.float-consult {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 900;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: var(--primary-dark);
  color: #fff;
  border-radius: 999px;
  box-shadow: 0 8px 24px rgba(0, 29, 102, 0.4);
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
}

.float-consult:hover {
  background: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 47, 167, 0.5);
  color: #fff;
}

.float-consult svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.float-consult-accent {
  color: var(--accent-light);
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  font-weight: 600;
}

/* --- Simple icon product card (no product image) --- */
.product-icon-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all 0.3s ease;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.product-icon-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.product-icon-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-100);
}

.product-icon-card:hover::before {
  transform: scaleX(1);
}

.product-icon-card.open {
  border-color: var(--primary);
}

.product-icon-card.open::before {
  transform: scaleX(1);
}

.product-icon-card-header {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 16px;
}

.product-icon-badge {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--primary-100) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-weight: 700;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  letter-spacing: -0.3px;
  transition: all 0.3s ease;
}

.product-icon-card:hover .product-icon-badge {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
}

.product-icon-meta {
  flex: 1;
  min-width: 0;
}

.product-icon-model {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  font-family: "JetBrains Mono", monospace;
  letter-spacing: 0.3px;
  margin-bottom: 4px;
}

.product-icon-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-900);
  line-height: 1.4;
  margin-bottom: 4px;
}

.product-icon-desc {
  font-size: 13px;
  color: var(--text-500);
  line-height: 1.6;
  margin-bottom: 14px;
}

.product-icon-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

.product-icon-tag {
  padding: 3px 10px;
  font-size: 11px;
  color: var(--primary);
  background: var(--primary-50);
  border-radius: 4px;
  font-weight: 500;
}

.product-icon-expand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--border-light);
  font-size: 12px;
  color: var(--primary);
  font-weight: 500;
  transition: all 0.2s;
  text-decoration: none;
  cursor: pointer;
}

.product-icon-expand svg {
  width: 14px;
  height: 14px;
  transition: transform 0.3s;
}

.product-icon-expand:hover {
  color: var(--primary-dark);
}

.product-icon-expand:hover svg {
  transform: translateX(3px);
}

/* --- Footer gold accent --- */
.site-footer .footer-col h4 {
  position: relative;
  padding-bottom: 12px;
}

.site-footer .footer-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}

.footer-brand-img {
  height: 40px;
  width: auto;
  margin-bottom: 20px;
}

/* --- Category sidebar gold accent --- */
.sidebar-cat-list li.active {
  border-left-color: var(--accent);
  background: var(--primary-50);
}

.sidebar-cat-list li.active a {
  color: var(--primary-dark);
  font-weight: 600;
}

/* --- Gold divider --- */
.gold-divider {
  width: 40px;
  height: 2px;
  background: var(--accent);
  margin: 0 auto 16px;
  border-radius: 1px;
}

/* --- Page hero dark blue with texture --- */
.page-hero-dark {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--bg-dark) 100%);
}

.page-hero-dark::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("../images/blueprint-grid.webp");
  background-size: cover;
  background-position: center;
  opacity: 0.1;
  pointer-events: none;
}

.page-hero-dark::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 30%, rgba(30, 99, 255, 0.2) 0%, transparent 50%);
  pointer-events: none;
}

.page-hero-dark > * {
  position: relative;
  z-index: 1;
}

/* --- Compare table blue-gold --- */
.compare-table th {
  background: var(--primary-dark);
  color: #fff;
}

.compare-table .compare-highlight {
  color: var(--accent);
  font-weight: 600;
}

.compare-table tr td:first-child {
  background: var(--bg-50);
  font-weight: 500;
}

/* --- Material Symbols font --- */
@font-face {
  font-family: "Material Symbols Rounded";
  font-style: normal;
  font-weight: 400;
  src: url("../fonts/material-symbols.woff2") format("woff2");
}

.ms-icon {
  font-family: "Material Symbols Rounded";
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-feature-settings: "liga";
  -webkit-font-smoothing: antialiased;
}