/* ============================================
   威速达 WSD - 2026 New Website
   Design System: Deep Space Laser Tech
   ============================================ */

:root {
  /* Colors */
  --bg-primary: #060a14;
  --bg-secondary: #0a1020;
  --bg-card: #0f1628;
  --bg-card-hover: #141d35;
  --accent: #00c8ff;
  --accent-glow: rgba(0, 200, 255, 0.4);
  --accent-secondary: #0066ff;
  --accent-warm: #ff6b35;
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.75);
  --text-tertiary: rgba(255, 255, 255, 0.45);
  --border: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(0, 200, 255, 0.3);

  /* Typography */
  --font-sans: 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'PingFang SC', 'Microsoft YaHei', sans-serif;

  /* Spacing */
  --section-padding: 120px 0;
  --container-max: 1400px;
  --container-padding: 0 40px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
button { border: none; background: none; cursor: pointer; font-family: inherit; color: inherit; }

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

/* ============================================
   Navigation
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 40px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all var(--transition-normal);
  background: transparent;
}

.nav.scrolled {
  background: color-mix(in srgb, var(--bg-primary) 85%, transparent);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 2px;
}

.nav-logo .logo-mark {
  width: 42px;
  height: 42px;
  position: relative;
}

.nav-logo .logo-mark svg {
  width: 100%;
  height: 100%;
}

.nav-logo .logo-text {
  background: linear-gradient(135deg, #fff 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 48px;
}

.nav-menu a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 8px 0;
  transition: color var(--transition-fast);
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition-normal);
  box-shadow: 0 0 8px var(--accent-glow);
}

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

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

.nav-cta {
  padding: 10px 28px;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 14px;
  font-weight: 500;
  border-radius: 4px;
  transition: all var(--transition-fast);
  letter-spacing: 1px;
}

.nav-cta:hover {
  background: var(--accent);
  color: var(--bg-primary);
  box-shadow: 0 0 20px var(--accent-glow);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  z-index: 1001;
}

.nav-toggle span {
  width: 28px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition-fast);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

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

.hero-bg video,
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(6, 10, 20, 0.5) 0%,
    rgba(6, 10, 20, 0.2) 40%,
    rgba(6, 10, 20, 0.8) 100%
  );
}

/* Animated laser grid background */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 200, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 200, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: 0 20px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border: 1px solid var(--border-accent);
  border-radius: 100px;
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 32px;
  background: color-mix(in srgb, var(--accent) 5%, transparent);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 var(--accent-glow); }
  50% { opacity: 0.5; box-shadow: 0 0 0 8px transparent; }
}

.hero h1 {
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 24px;
}

.hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, #0088ff 50%, #00d4ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 40px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 4px;
  letter-spacing: 1px;
  transition: all var(--transition-fast);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-secondary) 100%);
  color: #fff;
  box-shadow: 0 4px 24px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-glow);
}

.btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 5%, transparent);
}

.btn .arrow {
  transition: transform var(--transition-fast);
}

.btn:hover .arrow {
  transform: translateX(4px);
}

/* Hero scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-tertiary);
  font-size: 12px;
  letter-spacing: 2px;
}

.hero-scroll .line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollLine 2s infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============================================
   Section Common
   ============================================ */
.section {
  padding: var(--section-padding);
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 80px;
}

.section-label {
  display: inline-block;
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 16px;
  font-weight: 600;
}

.section-title {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
}

.section-desc {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ============================================
   Stats Section
   ============================================ */
.stats {
  padding: 80px 0;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.stat-item {
  text-align: center;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 60%;
  background: var(--border);
}

.stat-number {
  font-size: 56px;
  font-weight: 800;
  background: linear-gradient(135deg, #fff 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 12px;
}

.stat-number .unit {
  font-size: 24px;
  font-weight: 600;
}

.stat-label {
  font-size: 15px;
  color: var(--text-secondary);
}

/* ============================================
   Products Section
   ============================================ */
.products-section {
  background: var(--bg-primary);
}

.product-categories {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 60px;
  flex-wrap: wrap;
}

.product-cat-btn {
  padding: 10px 28px;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 14px;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.product-cat-btn:hover,
.product-cat-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(0, 200, 255, 0.08);
}

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

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: all var(--transition-normal);
  cursor: pointer;
  position: relative;
  group: true;
}

.product-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(0, 200, 255, 0.1);
}

.product-card-img {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: linear-gradient(135deg, #0d1525 0%, #1a2540 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-card-img .product-visual {
  width: 80%;
  height: 80%;
  object-fit: contain;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-card-img .product-visual {
  transform: scale(1.08);
}

.product-card-img .power-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 14px;
  background: rgba(0, 200, 255, 0.15);
  border: 1px solid var(--border-accent);
  border-radius: 4px;
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 1px;
}

.product-card-body {
  padding: 28px;
}

.product-card-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.product-card-body .product-subtitle {
  font-size: 14px;
  color: var(--text-tertiary);
  margin-bottom: 20px;
}

.product-card-body .product-specs {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.product-specs .spec {
  text-align: left;
}

.product-specs .spec-value {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
}

.product-specs .spec-label {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 2px;
}

.product-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--accent);
  font-weight: 500;
  transition: gap var(--transition-fast);
}

.product-card:hover .product-card-link {
  gap: 12px;
}

/* ============================================
   Feature / Advantage Section
   ============================================ */
.features-section {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.features-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 200, 255, 0.06) 0%, transparent 70%);
  border-radius: 50%;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-card {
  padding: 48px 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

.feature-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
}

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

.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(0, 200, 255, 0.15), rgba(0, 102, 255, 0.1));
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
  font-size: 28px;
}

.feature-card h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ============================================
   VR Showroom Section (Homepage preview)
   ============================================ */
.vr-preview {
  position: relative;
  height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--bg-primary);
}

.vr-preview-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(0, 102, 255, 0.15) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 50%, rgba(0, 200, 255, 0.1) 0%, transparent 60%),
    var(--bg-primary);
}

.vr-preview-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.vr-preview-content h2 {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  margin-bottom: 20px;
}

.vr-preview-content p {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.vr-360-icon {
  width: 100px;
  height: 100px;
  margin: 0 auto 32px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  color: var(--accent);
  position: relative;
  animation: vrPulse 3s infinite;
}

@keyframes vrPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 200, 255, 0.3); }
  50% { box-shadow: 0 0 0 24px rgba(0, 200, 255, 0); }
}

/* ============================================
   Global Presence / Service Network
   ============================================ */
.global-section {
  background: var(--bg-secondary);
}

.global-map {
  position: relative;
  width: 100%;
  max-width: 1000px;
  margin: 0 auto 50px;
  border-radius: 16px;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(0,200,255,0.02) 0%, rgba(0,0,0,0.3) 100%);
  border: 1px solid rgba(0,200,255,0.08);
}

.global-map canvas {
  display: block;
  width: 100%;
}

.map-legend {
  position: absolute;
  bottom: 16px;
  left: 20px;
  display: flex;
  gap: 20px;
  z-index: 2;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: rgba(255,255,255,0.5);
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(0,200,255,0.7);
  box-shadow: 0 0 6px rgba(0,200,255,0.5);
}

.legend-dot.legend-hub {
  width: 10px;
  height: 10px;
  background: #fff;
  box-shadow: 0 0 10px #00c8ff, 0 0 20px rgba(0,200,255,0.4);
}

.map-dot::before {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  animation: mapRipple 2s infinite;
}

.map-dot:nth-child(2)::before { animation-delay: 0.5s; }
.map-dot:nth-child(3)::before { animation-delay: 1s; }
.map-dot:nth-child(4)::before { animation-delay: 1.5s; }

@keyframes mapRipple {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(3); opacity: 0; }
}

.global-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.global-item {
  text-align: center;
  padding: 32px 20px;
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: all var(--transition-fast);
}

.global-item:hover {
  border-color: var(--border-accent);
  background: rgba(0, 200, 255, 0.03);
}

.global-item .gi-number {
  font-size: 36px;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 8px;
}

.global-item .gi-label {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.1) 0%, rgba(0, 200, 255, 0.05) 100%);
}

.cta-section h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  margin-bottom: 16px;
  position: relative;
}

.cta-section p {
  font-size: 17px;
  color: var(--text-secondary);
  margin-bottom: 40px;
  position: relative;
}

.cta-section .btn {
  position: relative;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--bg-secondary);
  padding: 80px 0 32px;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand .footer-logo {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-tertiary);
  line-height: 1.8;
  margin-bottom: 24px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  transition: all var(--transition-fast);
  font-size: 16px;
}

.footer-social a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul li a {
  font-size: 14px;
  color: var(--text-tertiary);
  transition: color var(--transition-fast);
}

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

.footer-contact p {
  font-size: 14px;
  color: var(--text-tertiary);
  margin-bottom: 12px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.footer-contact .icon {
  color: var(--accent);
  flex-shrink: 0;
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-tertiary);
}

/* ============================================
   Page Header (Inner Pages)
   ============================================ */
.page-header {
  position: relative;
  height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding-top: 80px;
}

.page-header-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0a1628 0%, #0d1f3c 50%, #061225 100%);
}

.page-header-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 200, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 200, 255, 0.04) 1px, transparent 1px);
  background-size: 50px 50px;
}

.page-header-content {
  position: relative;
  z-index: 2;
}

.page-header h1 {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  margin-bottom: 16px;
}

.page-header p {
  font-size: 18px;
  color: var(--text-secondary);
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
  font-size: 14px;
  color: var(--text-tertiary);
}

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

/* ============================================
   Product Detail Page
   ============================================ */
.product-detail {
  padding: 80px 0;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.product-gallery {
  position: sticky;
  top: 100px;
}

.product-main-img {
  aspect-ratio: 4/3;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  overflow: hidden;
}

.product-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.product-thumb {
  aspect-ratio: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: border-color var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.product-info h1 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 8px;
}

.product-info .product-tagline {
  font-size: 18px;
  color: var(--accent);
  margin-bottom: 24px;
}

.product-info .product-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 32px;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 32px;
}

.spec-table tr {
  border-bottom: 1px solid var(--border);
}

.spec-table td {
  padding: 16px 0;
  font-size: 14px;
}

.spec-table td:first-child {
  color: var(--text-tertiary);
  width: 40%;
}

.spec-table td:last-child {
  color: var(--text-primary);
  font-weight: 500;
}

.product-actions {
  display: flex;
  gap: 16px;
}

/* ============================================
   VR Showroom Page
   ============================================ */
.vr-page {
  padding: 80px 0;
}

.vr-scenes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.vr-scene-card {
  position: relative;
  aspect-ratio: 16/10;
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  border: 1px solid var(--border);
  transition: all var(--transition-normal);
}

.vr-scene-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.vr-scene-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0d1f3c 0%, #1a3a5c 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.vr-scene-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(6,10,20,0.9) 0%, transparent 50%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 32px;
}

.vr-scene-overlay h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.vr-scene-overlay p {
  font-size: 14px;
  color: var(--text-secondary);
}

.vr-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(0, 200, 255, 0.2);
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--accent);
  backdrop-filter: blur(10px);
  transition: all var(--transition-fast);
}

.vr-scene-card:hover .vr-play-btn {
  background: var(--accent);
  color: var(--bg-primary);
  transform: translate(-50%, -50%) scale(1.1);
}

/* ============================================
   Service Page
   ============================================ */
.service-process {
  padding: 80px 0;
}

.process-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
  margin-top: 60px;
}

.process-timeline::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 12%;
  right: 12%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
  opacity: 0.3;
}

.process-step {
  text-align: center;
  position: relative;
  padding: 0 20px;
}

.process-step-num {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 800;
  color: var(--accent);
  position: relative;
  z-index: 2;
}

.process-step h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.process-step p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.service-packages {
  padding: 80px 0;
  background: var(--bg-secondary);
}

.packages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.package-card {
  padding: 48px 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: all var(--transition-normal);
}

.package-card.featured {
  border-color: var(--accent);
  position: relative;
}

.package-card.featured::before {
  content: '推荐';
  position: absolute;
  top: -1px;
  right: 32px;
  padding: 6px 16px;
  background: var(--accent);
  color: var(--bg-primary);
  font-size: 12px;
  font-weight: 700;
  border-radius: 0 0 8px 8px;
}

.package-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-accent);
}

.package-card h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.package-card .package-desc {
  font-size: 14px;
  color: var(--text-tertiary);
  margin-bottom: 28px;
}

.package-card ul li {
  padding: 12px 0;
  font-size: 14px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}

.package-card ul li::before {
  content: '✓';
  color: var(--accent);
  font-weight: 700;
}

/* ============================================
   About Page
   ============================================ */
.about-intro {
  padding: 80px 0;
}

.about-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-intro-text h2 {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 24px;
  line-height: 1.3;
}

.about-intro-text p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 2;
  margin-bottom: 16px;
}

.about-intro-visual {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #0d1f3c 0%, #1a3a5c 100%);
  border-radius: 16px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 80px;
}

.timeline-section {
  padding: 80px 0;
  background: var(--bg-secondary);
}

.timeline {
  max-width: 800px;
  margin: 60px auto 0;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
  transform: translateX(-50%);
}

.timeline-item {
  display: flex;
  margin-bottom: 48px;
  position: relative;
}

.timeline-item:nth-child(odd) {
  flex-direction: row-reverse;
}

.timeline-item .tl-content {
  width: 45%;
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.timeline-item .tl-year {
  position: absolute;
  left: 50%;
  top: 28px;
  transform: translateX(-50%);
  width: 80px;
  height: 32px;
  background: var(--accent);
  color: var(--bg-primary);
  border-radius: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  z-index: 2;
}

.timeline-item .tl-content h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.timeline-item .tl-content p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================
   Contact / Form
   ============================================ */
.contact-section {
  padding: 80px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
}

.contact-info-card {
  padding: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
}

.contact-info-card h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 28px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-info-item .cii-icon {
  width: 44px;
  height: 50px;
  border-radius: 10px;
  background: rgba(0, 200, 255, 0.1);
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-info-item h4 {
  font-size: 14px;
  color: var(--text-tertiary);
  margin-bottom: 4px;
}

.contact-info-item p {
  font-size: 15px;
  color: var(--text-primary);
}

.contact-form {
  padding: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 15px;
  font-family: inherit;
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* ============================================
   Radar Dashboard
   ============================================ */
.radar-page {
  background: #050810;
  min-height: 100vh;
  padding: 24px;
}

.radar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding: 20px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.radar-header h1 {
  font-size: 22px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 12px;
}

.radar-header h1 .radar-pulse {
  width: 10px;
  height: 10px;
  background: #00ff88;
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

.radar-live-badge {
  padding: 6px 16px;
  background: rgba(0, 255, 136, 0.1);
  border: 1px solid rgba(0, 255, 136, 0.3);
  border-radius: 100px;
  font-size: 13px;
  color: #00ff88;
}

.radar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.radar-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}

.radar-card .rc-label {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-bottom: 8px;
}

.radar-card .rc-value {
  font-size: 36px;
  font-weight: 800;
  color: var(--accent);
}

.radar-card .rc-change {
  font-size: 12px;
  color: #00ff88;
  margin-top: 4px;
}

.radar-main {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

.radar-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.radar-panel-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.radar-panel-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.radar-table {
  width: 100%;
  border-collapse: collapse;
}

.radar-table th {
  padding: 12px 16px;
  text-align: left;
  font-size: 12px;
  color: var(--text-tertiary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-bottom: 1px solid var(--border);
}

.radar-table td {
  padding: 14px 16px;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
}

.radar-table tr:hover td {
  background: rgba(0, 200, 255, 0.03);
}

.radar-table .online-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: #00ff88;
  border-radius: 50%;
  margin-right: 6px;
  animation: pulse 1.5s infinite;
}

.radar-table .region-tag {
  padding: 2px 10px;
  background: rgba(0, 200, 255, 0.1);
  border-radius: 4px;
  font-size: 12px;
  color: var(--accent);
}

.radar-chart-area {
  padding: 24px;
  height: 300px;
  display: flex;
  align-items: flex-end;
  gap: 8px;
}

.chart-bar {
  flex: 1;
  background: linear-gradient(to top, var(--accent-secondary), var(--accent));
  border-radius: 4px 4px 0 0;
  min-height: 4px;
  position: relative;
  transition: height 0.5s ease;
}

.chart-bar:hover {
  opacity: 0.8;
}

.chart-bar .bar-label {
  position: absolute;
  bottom: -24px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  color: var(--text-tertiary);
  white-space: nowrap;
}

.chart-bar .bar-value {
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  color: var(--text-secondary);
}

.radar-province-list {
  padding: 16px 24px;
}

.province-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

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

.province-item .pi-name {
  width: 60px;
  font-size: 13px;
  color: var(--text-secondary);
}

.province-item .pi-bar {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
  overflow: hidden;
}

.province-item .pi-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-secondary), var(--accent));
  border-radius: 3px;
}

.province-item .pi-count {
  width: 40px;
  text-align: right;
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
}

/* Visitor detail modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
}

.modal-overlay.show {
  display: flex;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  width: 90%;
  max-width: 700px;
  max-height: 80vh;
  overflow-y: auto;
}

.modal-header {
  padding: 24px 28px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-size: 18px;
  font-weight: 700;
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.modal-body {
  padding: 28px;
}

.visitor-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.visitor-info-item {
  padding: 16px;
  background: var(--bg-primary);
  border-radius: 8px;
}

.visitor-info-item .vii-label {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-bottom: 4px;
}

.visitor-info-item .vii-value {
  font-size: 14px;
  color: var(--text-primary);
  font-weight: 500;
}

.track-timeline {
  position: relative;
  padding-left: 28px;
}

.track-timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--border);
}

.track-item {
  position: relative;
  padding-bottom: 24px;
}

.track-item:last-child {
  padding-bottom: 0;
}

.track-item::before {
  content: '';
  position: absolute;
  left: -24px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg-card);
}

.track-item .ti-page {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
}

.track-item .ti-meta {
  font-size: 12px;
  color: var(--text-tertiary);
  display: flex;
  gap: 16px;
}

.track-item .ti-duration {
  color: var(--accent);
}

/* ============================================
   Animations
   ============================================ */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

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

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

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

  .stat-item:not(:last-child)::after {
    display: none;
  }

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

  .product-detail-grid,
  .about-intro-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .product-gallery {
    position: static;
  }

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

  .radar-main {
    grid-template-columns: 1fr;
  }

  .process-timeline {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }

  .process-timeline::before {
    display: none;
  }

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

  .vr-scenes-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 80px 0;
    --container-padding: 0 20px;
  }

  .nav {
    padding: 0 20px;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-secondary);
    flex-direction: column;
    padding: 100px 40px;
    gap: 24px;
    transition: right var(--transition-normal);
    border-left: 1px solid var(--border);
  }

  .nav-menu.open {
    right: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-cta {
    display: none;
  }

  .products-grid,
  .features-grid,
  .stats-grid,
  .global-list,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

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

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

  .timeline::before {
    left: 20px;
  }

  .timeline-item,
  .timeline-item:nth-child(odd) {
    flex-direction: row;
    padding-left: 60px;
  }

  .timeline-item .tl-content {
    width: 100%;
  }

  .timeline-item .tl-year {
    left: 20px;
    transform: none;
  }

  .visitor-info-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   走进工厂 - 视频 & 画廊
   ============================================ */
.factory-video-section {
  padding-top: 60px;
}

.video-player-wrap {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  border-radius: 16px;
  overflow: hidden;
  background: #000;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(0, 200, 255, 0.1);
}

.video-poster {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  cursor: pointer;
}

.video-poster svg {
  width: 100%;
  height: 100%;
  display: block;
}

.video-poster-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(6, 10, 20, 0.3);
  transition: background 0.3s;
}

.video-poster:hover .video-poster-overlay {
  background: rgba(6, 10, 20, 0.5);
}

.play-btn {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: rgba(0, 200, 255, 0.15);
  border: 2px solid rgba(0, 200, 255, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
  backdrop-filter: blur(4px);
}

.video-poster:hover .play-btn {
  background: rgba(0, 200, 255, 0.3);
  border-color: #00c8ff;
  transform: scale(1.1);
  box-shadow: 0 0 40px rgba(0, 200, 255, 0.4);
}

.video-hint-text {
  margin-top: 20px;
  font-size: 18px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  letter-spacing: 2px;
}

/* 画廊 */
.gallery-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}

.gallery-tab {
  padding: 10px 24px;
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  border-radius: 50px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.2s;
}

.gallery-tab:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.gallery-tab.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  border-color: transparent;
  color: #fff;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.gallery-item {
  border-radius: 14px;
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  transition: all 0.3s;
}

.gallery-item:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 200, 255, 0.3);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
}

.gallery-img {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  cursor: pointer;
  background: #0d1525;
}

.gallery-img svg {
  width: 100%;
  height: 100%;
  display: block;
  transition: transform 0.4s;
}

.gallery-item:hover .gallery-img svg {
  transform: scale(1.05);
}

.gallery-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s;
}

.gallery-item:hover .gallery-img img {
  transform: scale(1.05);
}

.gallery-info {
  padding: 18px 20px;
}

.gallery-info h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.gallery-info p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 灯箱 */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000001;
  background: rgba(0, 0, 0, 0.92);
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 40px;
}

.lightbox.show {
  display: flex;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 80vh;
  border-radius: 10px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lightbox-caption {
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
  text-align: center;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 30px;
  background: none;
  border: none;
  color: #fff;
  font-size: 40px;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.2s;
  line-height: 1;
}

.lightbox-close:hover {
  opacity: 1;
}

@media (max-width: 768px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .play-btn {
    width: 64px;
    height: 64px;
  }
  .video-hint-text {
    font-size: 14px;
  }
}

/* ============================================
   鼠标特效系统 (Mouse Effects)
   ============================================ */
.wsd-particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.wsd-mouse-trail-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9997;
  mix-blend-mode: screen;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.wsd-mouse-glow {
  position: fixed;
  width: 350px;
  height: 350px;
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 9998;
  mix-blend-mode: screen;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.wsd-mouse-glow::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  transform: translate(-50%, -50%);
  background: radial-gradient(
    circle,
    rgba(0, 220, 255, 0.12) 0%,
    rgba(0, 150, 255, 0.06) 35%,
    transparent 65%
  );
  filter: blur(10px);
}

.wsd-trail-dot {
  position: fixed;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: screen;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.wsd-trail-1 {
  width: 10px;
  height: 10px;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.7), transparent 70%);
  box-shadow: 0 0 16px rgba(0, 200, 255, 0.5), 0 0 40px rgba(0, 150, 255, 0.2);
}

.wsd-trail-2 {
  width: 8px;
  height: 8px;
  background: radial-gradient(circle, rgba(0, 210, 255, 0.5), transparent 70%);
  box-shadow: 0 0 12px rgba(0, 180, 255, 0.4);
}

.wsd-trail-3 {
  width: 6px;
  height: 6px;
  background: radial-gradient(circle, rgba(0, 180, 255, 0.4), transparent 70%);
  box-shadow: 0 0 10px rgba(0, 150, 255, 0.3);
}

.wsd-trail-4 {
  width: 5px;
  height: 5px;
  background: radial-gradient(circle, rgba(0, 150, 255, 0.3), transparent 70%);
  box-shadow: 0 0 8px rgba(0, 120, 255, 0.2);
}

.wsd-trail-5 {
  width: 4px;
  height: 4px;
  background: radial-gradient(circle, rgba(0, 120, 255, 0.25), transparent 70%);
  box-shadow: 0 0 6px rgba(0, 100, 255, 0.15);
}

/* 确保内容在粒子层之上 */
.nav, .hero-content, .section, .stats, .footer, .page-header-content,
.radar-page, .login-page, .admin-layout, .cta-section {
  position: relative;
  z-index: 2;
}

/* 移动端禁用鼠标特效（触摸设备无鼠标） */
@media (hover: none) and (pointer: coarse) {
  .wsd-particles-canvas,
  .wsd-mouse-trail-canvas,
  .wsd-mouse-glow {
    display: none !important;
  }
}

/* ============================================
   12套主题系统 - 借鉴大厂设计风格
   每套主题参考一个知名品牌的设计语言
   ============================================ */

/* 主题切换平滑过渡 */
body, .nav, .card, .btn, .section-title, .hero-bg, .footer {
  transition: background-color 0.6s ease, color 0.6s ease, border-color 0.6s ease;
}

/* 上半月1月 - 苹果极简风（浅色科技蓝） */
[data-theme="1"] {
  --bg-primary: #f5f5f7;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #e8e8ed;
  --accent: #0071e3;
  --accent-glow: rgba(0,113,227, 0.25);
  --accent-secondary: #0077ed;
  --accent-warm: #bf4800;
  --text-primary: #1d1d1f;
  --text-secondary: rgba(29,29,31, 0.7);
  --text-tertiary: rgba(29,29,31, 0.45);
  --border: rgba(0, 0, 0, 0.08);
  --border-accent: rgba(0,113,227, 0.25);
}
[data-theme="1"] .nav.scrolled { background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(20px); }
[data-theme="1"] .hero-bg { background: linear-gradient(180deg, #ffffff 0%, #f5f5f7 100%); }

/* 下半月1月 - 小米活力风（浅色科技蓝） */
[data-theme="2"] {
  --bg-primary: #fafafa;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f0f0f0;
  --accent: #ff6901;
  --accent-glow: rgba(255,105,1, 0.25);
  --accent-secondary: #ff8533;
  --accent-warm: #ff4d00;
  --text-primary: #1a1a1a;
  --text-secondary: rgba(26,26,26, 0.7);
  --text-tertiary: rgba(26,26,26, 0.45);
  --border: rgba(0, 0, 0, 0.08);
  --border-accent: rgba(255,105,1, 0.25);
}
[data-theme="2"] .nav.scrolled { background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(20px); }
[data-theme="2"] .hero-bg { background: linear-gradient(135deg, #fff5f0 0%, #fafafa 50%, #fff0e6 100%); }

/* 上半月2月 - 华为商务风（浅色科技蓝） */
[data-theme="3"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f7f8fa;
  --bg-card: #ffffff;
  --bg-card-hover: #eef0f3;
  --accent: #c7000b;
  --accent-glow: rgba(199,0,11, 0.25);
  --accent-secondary: #e60012;
  --accent-warm: #ff6b35;
  --text-primary: #1a1a1a;
  --text-secondary: rgba(26,26,26, 0.7);
  --text-tertiary: rgba(26,26,26, 0.45);
  --border: rgba(0, 0, 0, 0.08);
  --border-accent: rgba(199,0,11, 0.25);
}
[data-theme="3"] .nav.scrolled { background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(20px); }
[data-theme="3"] .hero-bg { background: linear-gradient(180deg, #ffffff 0%, #f7f8fa 100%); }

/* 下半月2月 - 宏山蓝白风（浅色科技蓝） */
[data-theme="4"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f0f5ff;
  --bg-card: #ffffff;
  --bg-card-hover: #e6efff;
  --accent: #165dff;
  --accent-glow: rgba(22,93,255, 0.25);
  --accent-secondary: #0e42d2;
  --accent-warm: #ff7d00;
  --text-primary: #1d2129;
  --text-secondary: rgba(29,33,41, 0.7);
  --text-tertiary: rgba(29,33,41, 0.45);
  --border: rgba(0, 0, 0, 0.08);
  --border-accent: rgba(22,93,255, 0.25);
}
[data-theme="4"] .nav.scrolled { background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(20px); }
[data-theme="4"] .hero-bg { background: linear-gradient(135deg, #e8f0ff 0%, #ffffff 50%, #f0f5ff 100%); }

/* 上半月3月 - 暖棕大地风（浅色科技蓝） */
[data-theme="5"] {
  --bg-primary: #faf6f0;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f5ede0;
  --accent: #b87333;
  --accent-glow: rgba(184,115,51, 0.25);
  --accent-secondary: #8b5a2b;
  --accent-warm: #cd853f;
  --text-primary: #2d1f14;
  --text-secondary: rgba(45,31,20, 0.7);
  --text-tertiary: rgba(45,31,20, 0.45);
  --border: rgba(0, 0, 0, 0.08);
  --border-accent: rgba(184,115,51, 0.25);
}
[data-theme="5"] .nav.scrolled { background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(20px); }
[data-theme="5"] .hero-bg { background: linear-gradient(135deg, #fdf2e3 0%, #faf6f0 50%, #f5e6d3 100%); }

/* 下半月3月 - 极白极简风（浅色科技蓝） */
[data-theme="6"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f3f5;
  --accent: #212529;
  --accent-glow: rgba(33,37,41, 0.25);
  --accent-secondary: #495057;
  --accent-warm: #e67e22;
  --text-primary: #212529;
  --text-secondary: rgba(33,37,41, 0.7);
  --text-tertiary: rgba(33,37,41, 0.45);
  --border: rgba(0, 0, 0, 0.08);
  --border-accent: rgba(33,37,41, 0.25);
}
[data-theme="6"] .nav.scrolled { background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(20px); }
[data-theme="6"] .hero-bg { background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%); }

/* 上半月4月 - 深海科技蓝（浅色科技蓝） */
[data-theme="7"] {
  --bg-primary: #f5f7fa;
  --bg-secondary: #eef2f7;
  --bg-card: #ffffff;
  --bg-card-hover: #e4eaf2;
  --accent: #0064d9;
  --accent-glow: rgba(0,100,217, 0.25);
  --accent-secondary: #0052b3;
  --accent-warm: #ff7d00;
  --text-primary: #1a2332;
  --text-secondary: rgba(26,35,50, 0.7);
  --text-tertiary: rgba(26,35,50, 0.45);
  --border: rgba(0, 0, 0, 0.08);
  --border-accent: rgba(0,100,217, 0.25);
}
[data-theme="7"] .nav.scrolled { background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(20px); }
[data-theme="7"] .hero-bg { background: linear-gradient(135deg, #e8f0fe 0%, #f5f7fa 50%, #dce9fb 100%); }

/* 下半月4月 - 云端科技蓝（浅色科技蓝） */
[data-theme="8"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f0f9ff;
  --bg-card: #ffffff;
  --bg-card-hover: #e0f2fe;
  --accent: #00a4ff;
  --accent-glow: rgba(0,164,255, 0.25);
  --accent-secondary: #0088cc;
  --accent-warm: #ff7d00;
  --text-primary: #1a1a2e;
  --text-secondary: rgba(26,26,46, 0.7);
  --text-tertiary: rgba(26,26,46, 0.45);
  --border: rgba(0, 0, 0, 0.08);
  --border-accent: rgba(0,164,255, 0.25);
}
[data-theme="8"] .nav.scrolled { background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(20px); }
[data-theme="8"] .hero-bg { background: linear-gradient(135deg, #e0f7ff 0%, #ffffff 50%, #f0f9ff 100%); }

/* 上半月5月 - 工业商务蓝（浅色科技蓝） */
[data-theme="9"] {
  --bg-primary: #f8f9fb;
  --bg-secondary: #f1f4f8;
  --bg-card: #ffffff;
  --bg-card-hover: #e5ebf3;
  --accent: #1a56db;
  --accent-glow: rgba(26,86,219, 0.25);
  --accent-secondary: #1548b8;
  --accent-warm: #ff7d00;
  --text-primary: #1f2937;
  --text-secondary: rgba(31,41,55, 0.7);
  --text-tertiary: rgba(31,41,55, 0.45);
  --border: rgba(0, 0, 0, 0.08);
  --border-accent: rgba(26,86,219, 0.25);
}
[data-theme="9"] .nav.scrolled { background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(20px); }
[data-theme="9"] .hero-bg { background: linear-gradient(135deg, #e8f0fe 0%, #f8f9fb 50%, #dbeafe 100%); }

/* 下半月5月 - 银灰科技蓝（浅色科技蓝） */
[data-theme="10"] {
  --bg-primary: #f0f2f5;
  --bg-secondary: #e8ebef;
  --bg-card: #ffffff;
  --bg-card-hover: #dde1e7;
  --accent: #2563eb;
  --accent-glow: rgba(37,99,235, 0.25);
  --accent-secondary: #1d4ed8;
  --accent-warm: #ff7d00;
  --text-primary: #1e293b;
  --text-secondary: rgba(30,41,59, 0.7);
  --text-tertiary: rgba(30,41,59, 0.45);
  --border: rgba(0, 0, 0, 0.08);
  --border-accent: rgba(37,99,235, 0.25);
}
[data-theme="10"] .nav.scrolled { background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(20px); }
[data-theme="10"] .hero-bg { background: linear-gradient(135deg, #e0e7ff 0%, #f0f2f5 50%, #dbe4f0 100%); }

/* 上半月6月 - 清新天蓝（浅色科技蓝） */
[data-theme="11"] {
  --bg-primary: #f0f9ff;
  --bg-secondary: #e0f2fe;
  --bg-card: #ffffff;
  --bg-card-hover: #bae6fd;
  --accent: #0ea5e9;
  --accent-glow: rgba(14,165,233, 0.25);
  --accent-secondary: #0284c7;
  --accent-warm: #ff7d00;
  --text-primary: #0c4a6e;
  --text-secondary: rgba(12,74,110, 0.7);
  --text-tertiary: rgba(12,74,110, 0.45);
  --border: rgba(0, 0, 0, 0.08);
  --border-accent: rgba(14,165,233, 0.25);
}
[data-theme="11"] .nav.scrolled { background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(20px); }
[data-theme="11"] .hero-bg { background: linear-gradient(135deg, #e0f2fe 0%, #f0f9ff 50%, #bae6fd 100%); }

/* 下半月6月 - 深蓝商务（浅色科技蓝） */
[data-theme="12"] {
  --bg-primary: #f1f5f9;
  --bg-secondary: #e2e8f0;
  --bg-card: #ffffff;
  --bg-card-hover: #cbd5e1;
  --accent: #1e40af;
  --accent-glow: rgba(30,64,175, 0.25);
  --accent-secondary: #1e3a8a;
  --accent-warm: #ff7d00;
  --text-primary: #0f172a;
  --text-secondary: rgba(15,23,42, 0.7);
  --text-tertiary: rgba(15,23,42, 0.45);
  --border: rgba(0, 0, 0, 0.08);
  --border-accent: rgba(30,64,175, 0.25);
}
[data-theme="12"] .nav.scrolled { background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(20px); }
[data-theme="12"] .hero-bg { background: linear-gradient(135deg, #dbeafe 0%, #f1f5f9 50%, #bfdbfe 100%); }

/* 上半月7月 - 冰川蓝（浅色科技蓝） */
[data-theme="13"] {
  --bg-primary: #f0f8ff;
  --bg-secondary: #e6f2ff;
  --bg-card: #ffffff;
  --bg-card-hover: #d0e8ff;
  --accent: #1e90ff;
  --accent-glow: rgba(30,144,255, 0.25);
  --accent-secondary: #187bcd;
  --accent-warm: #ff7d00;
  --text-primary: #1a3a5c;
  --text-secondary: rgba(26,58,92, 0.7);
  --text-tertiary: rgba(26,58,92, 0.45);
  --border: rgba(0, 0, 0, 0.08);
  --border-accent: rgba(30,144,255, 0.25);
}
[data-theme="13"] .nav.scrolled { background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(20px); }
[data-theme="13"] .hero-bg { background: linear-gradient(135deg, #e0f0ff 0%, #f0f8ff 50%, #d0e8ff 100%); }

/* 下半月7月 - 宝石蓝（浅色科技蓝） */
[data-theme="14"] {
  --bg-primary: #f5f8fc;
  --bg-secondary: #eaf0f8;
  --bg-card: #ffffff;
  --bg-card-hover: #dce5f0;
  --accent: #0f52ba;
  --accent-glow: rgba(15,82,186, 0.25);
  --accent-secondary: #0c4499;
  --accent-warm: #ff7d00;
  --text-primary: #1a2a4a;
  --text-secondary: rgba(26,42,74, 0.7);
  --text-tertiary: rgba(26,42,74, 0.45);
  --border: rgba(0, 0, 0, 0.08);
  --border-accent: rgba(15,82,186, 0.25);
}
[data-theme="14"] .nav.scrolled { background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(20px); }
[data-theme="14"] .hero-bg { background: linear-gradient(135deg, #e0ebfa 0%, #f5f8fc 50%, #d0e0f5 100%); }

/* 上半月8月 - 晴空蓝（浅色科技蓝） */
[data-theme="15"] {
  --bg-primary: #f8fbff;
  --bg-secondary: #eef5ff;
  --bg-card: #ffffff;
  --bg-card-hover: #dcebff;
  --accent: #3b82f6;
  --accent-glow: rgba(59,130,246, 0.25);
  --accent-secondary: #2563eb;
  --accent-warm: #ff7d00;
  --text-primary: #1e3a5f;
  --text-secondary: rgba(30,58,95, 0.7);
  --text-tertiary: rgba(30,58,95, 0.45);
  --border: rgba(0, 0, 0, 0.08);
  --border-accent: rgba(59,130,246, 0.25);
}
[data-theme="15"] .nav.scrolled { background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(20px); }
[data-theme="15"] .hero-bg { background: linear-gradient(135deg, #e0edff 0%, #f8fbff 50%, #d0e4ff 100%); }

/* 下半月8月 - 钢蓝（浅色科技蓝） */
[data-theme="16"] {
  --bg-primary: #f2f4f7;
  --bg-secondary: #e6eaf0;
  --bg-card: #ffffff;
  --bg-card-hover: #d5dce6;
  --accent: #4682b4;
  --accent-glow: rgba(70,130,180, 0.25);
  --accent-secondary: #3a6d99;
  --accent-warm: #ff7d00;
  --text-primary: #2c3e50;
  --text-secondary: rgba(44,62,80, 0.7);
  --text-tertiary: rgba(44,62,80, 0.45);
  --border: rgba(0, 0, 0, 0.08);
  --border-accent: rgba(70,130,180, 0.25);
}
[data-theme="16"] .nav.scrolled { background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(20px); }
[data-theme="16"] .hero-bg { background: linear-gradient(135deg, #e0ebf5 0%, #f2f4f7 50%, #d0dceb 100%); }

/* 上半月9月 - 孔雀蓝（浅色科技蓝） */
[data-theme="17"] {
  --bg-primary: #f0f7fa;
  --bg-secondary: #e3f0f5;
  --bg-card: #ffffff;
  --bg-card-hover: #cfe5ed;
  --accent: #008b94;
  --accent-glow: rgba(0,139,148, 0.25);
  --accent-secondary: #006f77;
  --accent-warm: #ff7d00;
  --text-primary: #1a3a4a;
  --text-secondary: rgba(26,58,74, 0.7);
  --text-tertiary: rgba(26,58,74, 0.45);
  --border: rgba(0, 0, 0, 0.08);
  --border-accent: rgba(0,139,148, 0.25);
}
[data-theme="17"] .nav.scrolled { background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(20px); }
[data-theme="17"] .hero-bg { background: linear-gradient(135deg, #dff0f5 0%, #f0f7fa 50%, #c5e5ed 100%); }

/* 下半月9月 - 钴蓝（浅色科技蓝） */
[data-theme="18"] {
  --bg-primary: #f4f6f9;
  --bg-secondary: #e8ecf2;
  --bg-card: #ffffff;
  --bg-card-hover: #d8e0ec;
  --accent: #0047ab;
  --accent-glow: rgba(0,71,171, 0.25);
  --accent-secondary: #003a8c;
  --accent-warm: #ff7d00;
  --text-primary: #1a2a4a;
  --text-secondary: rgba(26,42,74, 0.7);
  --text-tertiary: rgba(26,42,74, 0.45);
  --border: rgba(0, 0, 0, 0.08);
  --border-accent: rgba(0,71,171, 0.25);
}
[data-theme="18"] .nav.scrolled { background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(20px); }
[data-theme="18"] .hero-bg { background: linear-gradient(135deg, #dce8fa 0%, #f4f6f9 50%, #c8daf5 100%); }

/* 上半月10月 - 蔚蓝（浅色科技蓝） */
[data-theme="19"] {
  --bg-primary: #eef5fb;
  --bg-secondary: #e0edf7;
  --bg-card: #ffffff;
  --bg-card-hover: #cde0f0;
  --accent: #1e90ff;
  --accent-glow: rgba(30,144,255, 0.25);
  --accent-secondary: #187bcd;
  --accent-warm: #ff7d00;
  --text-primary: #1a3a5c;
  --text-secondary: rgba(26,58,92, 0.7);
  --text-tertiary: rgba(26,58,92, 0.45);
  --border: rgba(0, 0, 0, 0.08);
  --border-accent: rgba(30,144,255, 0.25);
}
[data-theme="19"] .nav.scrolled { background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(20px); }
[data-theme="19"] .hero-bg { background: linear-gradient(135deg, #dcecfa 0%, #eef5fb 50%, #c5dff0 100%); }

/* 下半月10月 - 藏青蓝（浅色科技蓝） */
[data-theme="20"] {
  --bg-primary: #f0f2f5;
  --bg-secondary: #e4e8ed;
  --bg-card: #ffffff;
  --bg-card-hover: #d3dae3;
  --accent: #2c3e80;
  --accent-glow: rgba(44,62,128, 0.25);
  --accent-secondary: #233266;
  --accent-warm: #ff7d00;
  --text-primary: #1a2a4a;
  --text-secondary: rgba(26,42,74, 0.7);
  --text-tertiary: rgba(26,42,74, 0.45);
  --border: rgba(0, 0, 0, 0.08);
  --border-accent: rgba(44,62,128, 0.25);
}
[data-theme="20"] .nav.scrolled { background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(20px); }
[data-theme="20"] .hero-bg { background: linear-gradient(135deg, #e0e5f5 0%, #f0f2f5 50%, #d0d8eb 100%); }

/* 上半月11月 - 冰蓝（浅色科技蓝） */
[data-theme="21"] {
  --bg-primary: #f0f9ff;
  --bg-secondary: #e0f5ff;
  --bg-card: #ffffff;
  --bg-card-hover: #b8ecff;
  --accent: #38bdf8;
  --accent-glow: rgba(56,189,248, 0.25);
  --accent-secondary: #0ea5e9;
  --accent-warm: #ff7d00;
  --text-primary: #0c4a6e;
  --text-secondary: rgba(12,74,110, 0.7);
  --text-tertiary: rgba(12,74,110, 0.45);
  --border: rgba(0, 0, 0, 0.08);
  --border-accent: rgba(56,189,248, 0.25);
}
[data-theme="21"] .nav.scrolled { background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(20px); }
[data-theme="21"] .hero-bg { background: linear-gradient(135deg, #dcf5ff 0%, #f0f9ff 50%, #b8ecff 100%); }

/* 下半月11月 - 皇家蓝（浅色科技蓝） */
[data-theme="22"] {
  --bg-primary: #f5f7fa;
  --bg-secondary: #e9edf5;
  --bg-card: #ffffff;
  --bg-card-hover: #d9e0f0;
  --accent: #4169e1;
  --accent-glow: rgba(65,105,225, 0.25);
  --accent-secondary: #3658c4;
  --accent-warm: #ff7d00;
  --text-primary: #1a2a4a;
  --text-secondary: rgba(26,42,74, 0.7);
  --text-tertiary: rgba(26,42,74, 0.45);
  --border: rgba(0, 0, 0, 0.08);
  --border-accent: rgba(65,105,225, 0.25);
}
[data-theme="22"] .nav.scrolled { background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(20px); }
[data-theme="22"] .hero-bg { background: linear-gradient(135deg, #e0e8fa 0%, #f5f7fa 50%, #d0dcf5 100%); }

/* 上半月12月 - 电光蓝（浅色科技蓝） */
[data-theme="23"] {
  --bg-primary: #f8faff;
  --bg-secondary: #eef3ff;
  --bg-card: #ffffff;
  --bg-card-hover: #dde8ff;
  --accent: #0066ff;
  --accent-glow: rgba(0,102,255, 0.25);
  --accent-secondary: #0052cc;
  --accent-warm: #ff7d00;
  --text-primary: #1a2a4a;
  --text-secondary: rgba(26,42,74, 0.7);
  --text-tertiary: rgba(26,42,74, 0.45);
  --border: rgba(0, 0, 0, 0.08);
  --border-accent: rgba(0,102,255, 0.25);
}
[data-theme="23"] .nav.scrolled { background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(20px); }
[data-theme="23"] .hero-bg { background: linear-gradient(135deg, #e0edff 0%, #f8faff 50%, #d0e0ff 100%); }

/* 下半月12月 - 静谧蓝（浅色科技蓝） */
[data-theme="24"] {
  --bg-primary: #f2f5f8;
  --bg-secondary: #e6ecf2;
  --bg-card: #ffffff;
  --bg-card-hover: #d5dfe8;
  --accent: #2a5298;
  --accent-glow: rgba(42,82,152, 0.25);
  --accent-secondary: #224480;
  --accent-warm: #ff7d00;
  --text-primary: #1a2a4a;
  --text-secondary: rgba(26,42,74, 0.7);
  --text-tertiary: rgba(26,42,74, 0.45);
  --border: rgba(0, 0, 0, 0.08);
  --border-accent: rgba(42,82,152, 0.25);
}
[data-theme="24"] .nav.scrolled { background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(20px); }
[data-theme="24"] .hero-bg { background: linear-gradient(135deg, #e0eaf5 0%, #f2f5f8 50%, #d0ddeb 100%); }



/* CRM 同款 LOGO（logo.png 横版，透明底） */
.nav-logo .nav-logo-img {
  height: 50px;
  width: auto;
  display: block;
}