/* ================================================
   PART 2: \005BFC \00822A  + Hero + \005E03 \005C40 
   ================================================ */

/* ---------- \005BFC \00822A \00680F  ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(11, 20, 38, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  z-index: 1000;
  transition: background var(--transition-base);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  color: #FFFFFF;
  font-family: 'Outfit', 'Noto Sans SC', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.nav-logo-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 800;
  color: white;
  flex-shrink: 0;
  box-shadow: 0 4px 15px rgba(37,99,235,0.4);
  border-radius: 10px;
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.nav-logo-text strong {
  font-size: 0.95rem;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.02em;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.nav-logo-text small {
  font-size: 0.65rem;
  font-weight: 500;
  color: #ffffff;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  color: rgba(248,250,252,0.75);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-white);
  background: rgba(37,99,235,0.15);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
}

.nav-cta {
  background: var(--color-accent);
  color: white !important;
  padding: 10px 24px !important;
  border-radius: var(--radius-sm) !important;
  font-weight: 600 !important;
  transition: all var(--transition-fast) !important;
  box-shadow: 0 4px 16px rgba(37,99,235,0.3);
}

.nav-cta:hover {
  background: var(--color-accent-light) !important;
  box-shadow: 0 6px 24px rgba(37,99,235,0.45);
  transform: translateY(-1px);
}

.nav-mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--text-white);
}

/* ---------- Hero \00533A \0057DF  ---------- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  background: var(--color-primary);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 60% at 60% 40%, rgba(37,99,235,0.15) 0%, transparent 70%),
    radial-gradient(ellipse 60% 80% at 80% 80%, rgba(245,158,11,0.06) 0%, transparent 60%),
    linear-gradient(180deg, #0B1426 0%, #0F1A35 100%);
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(37,99,235,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero-particles span {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 50%;
  opacity: 0.4;
  animation: particleFloat 8s infinite ease-in-out;
}

.hero-particles span:nth-child(2) { left: 15%; top: 20%; animation-delay: -1s; opacity: 0.6; }
.hero-particles span:nth-child(3) { left: 30%; top: 60%; animation-delay: -2s; width: 2px; height: 2px; }
.hero-particles span:nth-child(4) { left: 50%; top: 30%; animation-delay: -3s; }
.hero-particles span:nth-child(5) { left: 70%; top: 70%; animation-delay: -4s; opacity: 0.5; }
.hero-particles span:nth-child(6) { left: 85%; top: 25%; animation-delay: -5s; width: 4px; height: 4px; opacity: 0.3; }
.hero-particles span:nth-child(7) { left: 20%; top: 80%; animation-delay: -2.5s; }
.hero-particles span:nth-child(8) { left: 60%; top: 85%; animation-delay: -6s; }

@keyframes particleFloat {
  0%, 100% { transform: translateY(0) scale(1); opacity: 0.4; }
  50% { transform: translateY(-30px) scale(1.5); opacity: 0.8; }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding-bottom: 60px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(37,99,235,0.15);
  border: 1px solid rgba(37,99,235,0.3);
  color: var(--color-accent-light);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  animation: fadeInUp 0.8s ease-out both;
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero h1, .hero h2 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  color: white;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 32px;
  letter-spacing: -0.02em;
  animation: fadeInUp 0.8s 0.15s ease-out both;
}

.hero h1 .accent, .hero h2 .accent {
  background: linear-gradient(135deg, var(--color-accent-light), var(--color-highlight));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: rgba(248,250,252,0.65);
  margin-bottom: 48px;
  max-width: 580px;
  line-height: 1.9;
  animation: fadeInUp 0.8s 0.3s ease-out both;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
  animation: fadeInUp 0.8s 0.35s ease-out both;
}

.hero-tag {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  display: inline-block;
  padding: 8px 16px;
  border-radius: 24px;
  font-size: 0.9rem;
  color: #ffffff !important;
  backdrop-filter: blur(8px);
  transition: all 0.3s ease;
}

.hero-tag:hover {
  background: rgba(255,255,255,0.2);
  border-color: rgba(255,255,255,0.4);
  transform: translateY(-2px);
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s 0.45s ease-out both;
}

/* ===== Language-scoped Hero Lock ===== */
[lang="zh"] .hero-content,
[lang="zh-CN"] .hero-content {
  max-width: 800px;
  padding-bottom: 60px;
}

[lang="zh"] .hero-subtitle,
[lang="zh-CN"] .hero-subtitle {
  font-size: 1.15rem;
  color: rgba(248,250,252,0.65);
  margin-bottom: 48px;
  max-width: 580px;
  line-height: 1.9;
}

[lang="zh"] .hero h1, [lang="zh"] .hero h2,
[lang="zh-CN"] .hero h1, [lang="zh-CN"] .hero h2 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.15;
}

/* ===== English-only Hero Optimization ===== */
[lang="en"] .hero h1, [lang="en"] .hero h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.3;
  max-width: 720px;
  margin-bottom: 8px;
}
[lang="en"] .hero-title-line2 {
  margin-bottom: 24px;
}
/* 中文版：只显示第一行标题 */
[lang="zh"] .hero-title-line2 {
  display: none !important;
}
/* 英文版：显示两行标题 */
[lang="en"] .hero-title-line1,
[lang="en"] .hero-title-line2 {
  display: block !important;
}

[lang="en"] .hero-subtitle {
  font-size: 1.05rem;
  max-width: 620px;
  line-height: 1.85;
}

[lang="en"] .hero .hero-content {
  padding-bottom: 80px;
}

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.08);
  animation: fadeInUp 0.8s 0.6s ease-out both;
}

.hero-stat {
  display: flex;
  flex-direction: column;
}

.hero-stat-number {
  font-family: 'Outfit', sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  color: white;
  line-height: 1;
  margin-bottom: 6px;
}

.hero-stat-number .highlight { color: var(--color-highlight); }

.hero-stat-label {
  font-size: 0.8rem;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero-chip-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 32px;
}

.hero-chip {
  background: rgba(37,99,235,0.12);
  border: 1px solid rgba(37,99,235,0.2);
  border-radius: var(--radius-sm);
  padding: 12px 8px;
  text-align: center;
  transition: all var(--transition-fast);
}

.hero-chip:hover {
  background: rgba(37,99,235,0.25);
  border-color: rgba(37,99,235,0.5);
  transform: translateY(-2px);
}

.hero-chip-icon {
  font-size: 1.5rem;
  margin-bottom: 6px;
}

.hero-chip-label {
  font-size: 0.7rem;
  color: #ffffff;
  font-weight: 500;
}

.hero-brand-row {
  display: flex;
  gap: 8px;
  justify-content: space-between;
}

.hero-brand-badge {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 0.7rem;
  color: rgba(255,255,255,0.5);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
/* ---------- Section \00901A \007528  ---------- */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

.section-divider {
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-highlight));
  border-radius: 2px;
  margin: 20px auto 0;
}

/* ---------- \004EA7 \0054C1 \005206 \007C7B \005361 \007247  ---------- */
.categories-section {
  background: var(--bg-light);
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.category-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.category-card:hover::before {
  opacity: 1;
}

.category-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(37,99,235,0.1), rgba(37,99,235,0.05));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 20px;
  transition: all var(--transition-base);
}

.category-card:hover .category-icon {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
}

.category-card:hover .category-icon span {
  filter: brightness(10);
}

.category-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.category-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.category-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.category-tag {
  font-size: 0.7rem;
  background: var(--bg-light);
  color: var(--text-secondary);
  padding: 4px 10px;
  border-radius: 100px;
  border: 1px solid var(--border-light);
  transition: all var(--transition-fast);
}

.category-card:hover .category-tag {
  background: rgba(37,99,235,0.06);
  border-color: rgba(37,99,235,0.2);
  color: var(--color-accent);
}

/* ---------- \004F18 \0052BF \006A21 \005757  ---------- */
.advantages-section {
  background: var(--bg-white);
}

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

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

@media (max-width: 600px) {
  .advantages-grid { grid-template-columns: 1fr; }
}

.advantage-card {
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  background: var(--bg-white);
  transition: all var(--transition-base);
  position: relative;
}

.advantage-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: var(--color-accent);
}

.advantage-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, rgba(37,99,235,0.1), rgba(37,99,235,0.05));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.advantage-number {
  font-family: 'Outfit', sans-serif;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 8px;
  opacity: 0.08;
  position: absolute;
  top: 20px;
  right: 24px;
}

.advantage-card h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.advantage-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ---------- \004EA7 \0054C1 \005361 \007247 \007F51 \00683C  ---------- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.product-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

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

.product-card-header {
  background: linear-gradient(135deg, var(--color-primary), #1a2d4a);
  padding: 32px 24px;
  position: relative;
  overflow: hidden;
}

.product-card-header::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(37,99,235,0.2), transparent 70%);
}

.product-category-label {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--color-accent-light);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 10px;
  background: rgba(37,99,235,0.15);
  padding: 4px 10px;
  border-radius: 100px;
}

.product-card-header h3 {
  font-size: 1.1rem;
  color: white;
  margin-bottom: 6px;
  position: relative;
  z-index: 1;
}

.product-model {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  font-family: monospace;
  position: relative;
  z-index: 1;
}

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

.product-specs {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.product-spec {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  padding: 6px 0;
  border-bottom: 1px solid var(--border-light);
}

.product-spec:last-child { border-bottom: none; }

.product-spec-key {
  color: var(--text-muted);
}

.product-spec-val {
  color: var(--text-primary);
  font-weight: 500;
}

.product-brand-badge {
  display: inline-block;
  background: rgba(37,99,235,0.06);
  border: 1px solid rgba(37,99,235,0.15);
  color: var(--color-accent);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.product-card-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.product-inquiry-btn {
  background: var(--color-accent);
  color: white;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.product-inquiry-btn:hover {
  background: var(--color-accent-dark);
  box-shadow: var(--shadow-accent);
}

/* ---------- Featured Product Cards (New Module 5) ---------- */
.featured-products-section {
  background: #fff;
  padding: 30px 0 80px;
}

.featured-products-header {
  text-align: center;
  margin-bottom: 50px;
}

.featured-products-header h1, .featured-products-header h2 {
  font-size: 2rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.featured-products-header .fp-subtitle {
  font-size: 14px;
  color: #64748b;
  letter-spacing: 0.3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.fp-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 0 40px;
  max-width: 1400px;
  margin: 0 auto;
}

.fp-card {
  border: 1.5px solid #e2e8f0;
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: all 0.3s ease;
  background: white;
}

.fp-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
  border-color: #cbd5e1;
}

.fp-card-top {
  background: linear-gradient(135deg, #1e293b 0%, #2d3748 100%);
  color: white;
  padding: 30px 20px 20px 20px;
  position: relative;
  min-height: 120px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.fp-card-badge {
  position: absolute;
  top: 18px;
  left: 20px;
  font-size: 11px;
  color: #94a3b8;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.fp-card-model {
  font-size: 18px;
  font-weight: 700;
  display: block;
  margin-top: 15px;
  margin-bottom: 6px;
  line-height: 1.3;
}

.fp-card-brand {
  font-size: 13px;
  color: #60a5fa;
  display: block;
  font-weight: 500;
  margin-bottom: 8px;
}

.fp-card-bottom {
  padding: 20px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.fp-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}

.fp-card-tag {
  font-size: 11px;
  padding: 4px 10px;
  border: 1px solid #dbeafe;
  border-radius: 20px;
  color: #1e40af;
  background: #eff6ff;
  font-weight: 500;
}

.fp-card-spec-list {
  list-style: none;
  margin-bottom: 20px;
}

.fp-card-spec-list li {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid #f1f5f9;
}

.fp-card-spec-list li:last-child {
  border-bottom: none;
}

.fp-card-spec-label {
  color: #64748b;
  font-size: 13px;
}

.fp-card-spec-value {
  color: #1e293b;
  font-weight: 600;
  font-size: 13px;
  text-align: right;
  max-width: 60%;
}

.fp-card-remarks {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1.5px solid #f1f5f9;
  font-size: 12px;
  color: #475569;
  line-height: 1.6;
  word-break: break-word;
  overflow-wrap: break-word;
}

/* ---------- 应用场景横滚动 section ---------- */
.applications-section {
  background: var(--color-primary);
  padding: 100px 0;
  overflow: hidden;
}

.applications-section .section-label { color: var(--color-accent-light); }
.applications-section .section-title { color: white; }
.applications-section .section-desc { color: rgba(255,255,255,0.55); }

.applications-scroll {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding-bottom: 16px;
  scrollbar-width: thin;
  scrollbar-color: var(--color-accent) rgba(255,255,255,0.1);
  -webkit-overflow-scrolling: touch;
}

.applications-scroll::-webkit-scrollbar { height: 4px; }
.applications-scroll::-webkit-scrollbar-thumb { background: var(--color-accent); border-radius: 2px; }

.app-card {
  flex-shrink: 0;
  width: 300px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.app-card:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(37,99,235,0.4);
  transform: translateY(-4px);
}

.app-card-img {
  height: 140px;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  position: relative;
  overflow: hidden;
}

.app-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(11,20,38,0.8) 100%);
}

.app-card-img span {
  position: relative;
  z-index: 1;
}

.app-card-body {
  padding: 20px;
}

.app-card-body h4 {
  color: white;
  font-size: 1rem;
  margin-bottom: 8px;
}

.app-card-body p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.6;
}

/* ---------- \005BA2 \006237  Logo \005899  ---------- */
.clients-section {
  background: var(--bg-light);
  padding: 80px 0;
}

/* ---------- \006309 \0094AE \007CFB \007EDF  ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition-base);
  font-family: inherit;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: white;
  box-shadow: 0 4px 16px rgba(37,99,235,0.3);
}

.btn-primary:hover {
  background: var(--color-accent-light);
  box-shadow: 0 6px 24px rgba(37,99,235,0.45);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: white;
  border: 1px solid rgba(255,255,255,0.3);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.5);
}

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

.btn-outline:hover {
  background: var(--color-accent);
  color: white;
}

.btn-dark {
  background: var(--color-primary);
  color: white;
}

.btn-dark:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 18px 40px;
  font-size: 1rem;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.8rem;
}

/* ---------- \009875 \009762 \005185  Banner ---------- */
.page-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, #0F1A35 100%);
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
}

.page-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(37,99,235,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,0.05) 1px, transparent 1px);
  background-size: 60px 60px;
}

.page-banner .container { position: relative; z-index: 1; }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.breadcrumb a, .breadcrumb span {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
}

.breadcrumb a:hover { color: rgba(255,255,255,0.8); }

.breadcrumb-sep {
  color: rgba(255,255,255,0.25);
  font-size: 0.75rem;
}

.breadcrumb .current { color: rgba(255,255,255,0.8); }

.page-banner h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: white;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.page-banner p {
  color: rgba(255,255,255,0.55);
  font-size: 1.05rem;
  max-width: 560px;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--color-primary);
  color: rgba(255,255,255,0.6);
  padding-top: 80px;
}

.footer-main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

@media (max-width: 900px) {
  .footer-main { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .footer-main { grid-template-columns: 1fr; }
}

.footer-brand { max-width: 320px; }

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: white;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

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

.footer-social a {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: rgba(255,255,255,0.5);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
  transform: translateY(-2px);
}

.footer-col h4 {
  color: white;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 20px;
  font-family: 'Outfit', sans-serif;
}

.footer-col ul { display: flex; flex-direction: column; gap: 10px; }

.footer-col ul li a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-col ul li a:hover {
  color: white;
  transform: translateX(3px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  font-size: 0.8rem;
}

@media (max-width: 600px) {
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}

.footer-bottom a {
  color: rgba(255,255,255,0.35);
  transition: color var(--transition-fast);
}

.footer-bottom a:hover { color: rgba(255,255,255,0.7); }

/* ---------- \005173 \004E8E \006211 \004EEC \009875 \009762  ---------- */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  padding: 100px 0;
}

@media (max-width: 900px) {
  .about-intro { grid-template-columns: 1fr; gap: 40px; }
}

.about-intro-text .section-label { text-align: left; margin-bottom: 12px; }
.about-intro-text h2 { font-size: 2.2rem; margin-bottom: 20px; }

.about-intro-text p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 16px;
}

.about-intro-visual {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-lg);
  padding: 48px;
  position: relative;
  overflow: hidden;
}

.about-intro-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 60% at 70% 30%, rgba(37,99,235,0.2), transparent 70%);
}

.about-stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  position: relative;
  z-index: 1;
}

.about-stat {
  text-align: center;
  padding: 24px 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
}

.about-stat-num {
  font-family: 'Outfit', sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  color: white;
  margin-bottom: 4px;
}

.about-stat-num span { color: var(--color-highlight); }

.about-stat-label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.45);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.timeline-section { background: var(--bg-light); }

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--color-accent), var(--color-highlight));
}

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

.timeline-item::before {
  content: '';
  position: absolute;
  left: -40px;
  top: 4px;
  width: 18px;
  height: 18px;
  background: var(--color-accent);
  border-radius: 50%;
  border: 3px solid var(--bg-light);
  box-shadow: 0 0 0 4px rgba(37,99,235,0.15);
}

.timeline-year {
  font-family: 'Outfit', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.timeline-item h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.timeline-item p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ---------- \008054 \007CFB \009875 \009762  ---------- */
.contact-section { padding: 100px 0; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
}

@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; }
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.contact-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.contact-card-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, rgba(37,99,235,0.1), rgba(37,99,235,0.05));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-card h4 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.contact-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.contact-form {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.contact-form h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.contact-form > p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

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

@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--text-primary);
  background: var(--bg-white);
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

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

.form-submit {
  margin-top: 8px;
}

/* ---------- \0065B0 \0095FB \005217 \008868  ---------- */
.news-section { padding: 100px 0; background: var(--bg-light); }

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}

.news-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

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

.news-card-img {
  height: 200px;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  position: relative;
  overflow: hidden;
}

.news-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(11,20,38,0.7) 100%);
}

.news-card-img span { position: relative; z-index: 1; }

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

.news-card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}

.news-tag {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-accent);
  background: rgba(37,99,235,0.08);
  padding: 3px 10px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.news-date {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.news-card-body h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
  transition: color var(--transition-fast);
}

.news-card:hover .news-card-body h3 {
  color: var(--color-accent);
}

.news-card-body p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.news-card-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: flex-end;
}

.news-read-more {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition-fast);
}

.news-card:hover .news-read-more { gap: 8px; }

/* ---------- \0089E3 \0051B3 \0065B9 \006848 \009875 \009762  ---------- */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}

.solution-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

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

.solution-card-img {
  height: 160px;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

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

.solution-card-body h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.solution-card-body p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.solution-product-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.solution-product-item {
  font-size: 0.8rem;
  color: var(--text-secondary);
  padding: 4px 0;
  border-bottom: 1px dashed var(--border-light);
  display: flex;
  align-items: center;
  gap: 6px;
}

.solution-product-item::before {
  content: '›';
  color: var(--color-accent);
  font-weight: 700;
}

/* ---------- \0054CD \005E94 \005F0F \005BFC \00822A \005207 \006362  ---------- */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-mobile-toggle { display: flex; }
  
  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(11,20,38,0.98);
    backdrop-filter: blur(20px);
    padding: 20px;
    gap: 4px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  
  .hero h1, .hero h2 { font-size: 2.2rem; line-height: 1.2; margin-bottom: 24px; }
  [lang="en"] .hero h1, [lang="en"] .hero h2 { font-size: clamp(1.6rem, 5vw, 2.4rem); max-width: 100%; }
  [lang="en"] .hero-subtitle { font-size: 0.95rem; max-width: 100%; line-height: 1.8; }
  [lang="en"] .hero .hero-content { padding-bottom: 50px; }
    [lang="en"] .hero .hero-subtitle { font-size: 1rem; line-height: 1.85; margin-bottom: 36px; }
    [lang="en"] .hero .hero-content { padding-bottom: 40px; }
  .hero-stats { gap: 28px; }
  
  .about-intro { padding: 60px 0; }
  .section { padding: 60px 0; }
  .page-banner { padding: 120px 0 60px; }
  
  .contact-form { padding: 24px; }
}

/* ========== 品牌LOGO画廊（模块3）========== */
#brandLogoSection { background: #fff; padding: 60px 0; }
.brand-logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
  margin-top: 30px;
}
.brand-logo-item {
  background: white;
  border-radius: 6px;
  padding: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  border: 1px solid #eee;
  overflow: hidden;
}
.brand-logo-item:hover {
  transform: rotate(3deg) scale(1.05);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
  z-index: 10;
}
.brand-logo-image-wrapper {
  width: 100%;
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 4px;
  background: #ffffff;
}
.brand-logo-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
  transition: all 0.3s;
}
@media (max-width: 768px) {
  .brand-logo-grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 10px; }
  .brand-logo-image-wrapper { height: 70px; }
  #brandLogoSection { padding: 40px 0; }
}
@media (max-width: 480px) {
  .brand-logo-grid { grid-template-columns: repeat(3, 1fr); gap: 8px; }
}

/* ========== 服务展示区（模块4）========== */
.service-showcase-section { background: #fff; padding: 25px 0; }
.service-header {
  text-align: center;
  margin-bottom: 50px;
}
.service-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: #1a2a4a;
  font-weight: 700;
  letter-spacing: 2px;
  margin: 0 0 12px;
}
.service-subtitle {
  font-size: clamp(0.85rem, 2vw, 1.05rem);
  color: #555;
  margin: 0;
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}
.service-cards-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
}
.service-card {
  width: 100%;
  position: relative;
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0,0,0,0.1);
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              box-shadow 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  min-width: 0;
  border-top: 4px solid transparent;
}
.service-card:nth-child(1) { border-top-color: #3498db; }
.service-card:nth-child(2) { border-top-color: #e74c3c; }
.service-card:nth-child(3) { border-top-color: #27ae60; }
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.14);
}
.service-img-wrapper {
  width: 100%;
  padding-top: 60%;
  position: relative;
  overflow: hidden;
  background: #e8ecf0;
}
.service-img-wrapper img {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: contain;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.service-card:hover .service-img-wrapper img { transform: scale(1.1); }
.service-card-info {
  padding: 28px 28px;
  text-align: center;
  background: #fff;
  border-top: 1px solid #f0f0f0;
  flex-shrink: 0;
}
.service-card-info h3 {
  margin: 0;
  font-size: clamp(1rem, 2.2vw, 1.25rem);
  color: #1a2a4a;
  font-weight: 600;
  letter-spacing: 1px;
}
@media (max-width: 900px) {
  .service-cards-container { gap: 16px; }
}
@media (max-width: 768px) {
  .service-cards-container {
    grid-template-columns: 1fr;
    padding: 0 16px;
    gap: 20px;
  }
  .service-card { width: 100%; }
  .service-img-wrapper { padding-top: 45%; }
  .service-showcase-section { padding: 40px 0; }
}
@media (max-width: 480px) {
  .service-card-info h3 { font-size: 0.88rem; }
}


/* ========== 模块3品牌LOGO新品版样式 ========== */


.brand-gallery-container {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    padding: 0;
}

.brand-gallery-item {
    background: white;
    border-radius: 10px;
    padding: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border: 1px solid #eee;
    position: relative;
    overflow: hidden;
}

.brand-gallery-image-wrapper {
    width: 100%;
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-radius: 6px;
    background: #ffffff;
}

.brand-gallery-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    display: block;
    transition: all 0.3s;
}

.brand-rotate-effect .brand-gallery-item:hover {
    transform: rotate(5deg) scale(1.05);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    z-index: 10;
}

@media (max-width: 1200px) {
    .brand-gallery-container {
        grid-template-columns: repeat(5, 1fr);
    }
}

@media (max-width: 768px) {
    .brand-gallery-container {
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
    }
    .brand-gallery-image-wrapper {
        height: 150px;
    }
}

@media (max-width: 480px) {
    .brand-gallery-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 移动端品牌 Swiper — 默认隐藏，仅在 ≤1024px 由 @media 或 JS 显示 */
.brand-carousel-mobile { display: none; }

/* ========== LED Brand Title Effect ========== */
.brand-logo-section .container { text-align: center; }
.brand-logo-section .brand-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: #2c3e50;
    letter-spacing: 4px;
    position: relative;
    display: inline-block;
    padding: 30px 70px;
    margin: 20px 0;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 50%, #ecf0f1 100%);
    border-radius: 60px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.9);
    transition: all 0.4s ease;
    overflow: hidden;
    text-align: center;
}
@keyframes enhancedBreath {
    0%, 100% {
        color: #2c3e50;
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.9);
    }
    50% {
        color: #1a3c6e;
        box-shadow: 0 8px 35px rgba(52, 152, 219, 0.3), 0 0 30px rgba(52, 152, 219, 0.2), inset 0 1px 0 rgba(255, 255, 255, 1);
    }
}
.brand-logo-section .brand-title::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, transparent, #3498db, #00ffcc, #3498db, transparent);
    opacity: 0;
    transition: all 0.6s ease;
    z-index: 2;
}
@keyframes enhancedCircuitScan {
    0% { transform: translateX(-100%) skewX(-45deg); opacity: 0; }
    50% { opacity: 1; }
    100% { transform: translateX(200%) skewX(-45deg); opacity: 0; }
}
.led-indicator {
    position: absolute;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #95a5a6;
    top: 50%;
    transform: translateY(-50%);
    transition: all 0.3s ease;
    z-index: 3;
}
.led-left { left: 30px; }
.led-right { right: 30px; }
.brand-logo-section .brand-title:hover {
    animation: enhancedBreath 2s ease-in-out infinite;
    transform: translateY(-5px);
    cursor: pointer;
    background: linear-gradient(135deg, #ffffff 0%, #ffffff 50%, #f8f9fa 100%);
}
.brand-logo-section .brand-title:hover::before {
    opacity: 1;
    animation: enhancedCircuitScan 1.8s ease-in-out infinite;
}
.brand-logo-section .brand-title:hover .led-indicator {
    background: linear-gradient(135deg, #2ecc71, #3498db);
    box-shadow: 0 0 15px #2ecc71, 0 0 25px #3498db;
    animation: enhancedLedBlink 0.8s ease-in-out infinite;
}
@keyframes enhancedLedBlink {
    0%, 100% { opacity: 0.7; transform: translateY(-50%) scale(0.9); }
    50% { opacity: 1; transform: translateY(-50%) scale(1.2); }
}
.brand-logo-section .brand-title::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: calc(100% + 40px);
    height: calc(100% + 40px);
    background: radial-gradient(circle at center, rgba(52, 152, 219, 0.1) 0%, rgba(52, 152, 219, 0.05) 25%, transparent 50%);
    border-radius: 80px;
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
}
.brand-logo-section .brand-title:hover::after {
    opacity: 1;
}
@keyframes sparkTravel {
    0% { opacity: 0; transform: translateX(0) scale(0.5); }
    20% { opacity: 1; transform: translateX(0) scale(1); }
    100% { opacity: 0; transform: translateX(150px) scale(0.5); }
}
.brand-logo-section .section-title,
.brand-logo-section .section-desc {
    text-align: center;
}
.brand-logo-section .section-desc {
    margin-bottom: 32px;
}
@media (max-width: 768px) {
    .brand-logo-section .brand-title {
        font-size: 2.8rem;
        letter-spacing: 3px;
        padding: 25px 50px;
    }
    .led-left { left: 20px; }
    .led-right { right: 20px; }
}
@media (max-width: 480px) {
    .brand-logo-section .brand-title {
        font-size: 2.2rem;
        letter-spacing: 2px;
        padding: 20px 30px;
    }
    .led-indicator { width: 12px; height: 12px; }
}


/* ===== Hero Stats Count-Up Animation ===== */
.hero-stat-number.count-up {
  transition: text-shadow 0.3s ease;
}

.hero-stat-number.counting {
  color: var(--color-highlight, #64ffda);
  text-shadow: 0 0 15px rgba(100, 255, 218, 0.5);
}

.hero-stat {
  position: relative;
}

.hero-stat.pulse::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 12px;
  animation: statPulse 2s ease-out;
  pointer-events: none;
}

@keyframes statPulse {
 0% { box-shadow: 0 0 0 0 rgba(100, 255, 218, 0.4); }
 70% { box-shadow: 0 0 0 15px rgba(100, 255, 218, 0); }
 100% { box-shadow: 0 0 0 0 rgba(100, 255, 218, 0); }
}


/* ================================================
   ENGLISH HERO V2 - B2B DISTRIBUTOR STYLE
   ================================================ */

.en-hero-v2 {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.en-hero-wrap {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 900px;
  padding: 80px 40px 60px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  box-sizing: border-box;
}

/* 标题 - 两行 */
.en-title-v2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.3;
  color: #ffffff;
  margin: 0 0 20px 0;
  letter-spacing: -0.02em;
}

.en-title-line1 {
  display: block;
  margin-bottom: 0.1em;
}

.en-title-line2 {
  display: block;
  color: rgba(255, 255, 255, 0.88);
  font-weight: 600;
}

/* 描述内容 */
.en-desc-v2 {
  font-size: clamp(0.9rem, 1.8vw, 1.05rem);
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.7;
  margin: 0 0 10px 0;
  max-width: 680px;
}

.en-desc-main {
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1rem, 2vw, 1.15rem);
  margin-bottom: 12px;
}

/* 服务标签 */
.en-service-tag {
  font-size: clamp(0.8rem, 1.5vw, 0.95rem);
  color: rgba(255, 255, 255, 0.75);
  margin: 20px 0 28px 0;
  line-height: 1.5;
}

/* CTA 按钮 */
.en-cta-v2 {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
}

.en-btn-primary-v2 {
  display: inline-block;
  padding: 12px 32px;
  background: #ffffff;
  color: #1a2a4a;
  font-size: 15px;
  font-weight: 600;
  border: 2px solid #ffffff;
  border-radius: 4px;
  text-decoration: none;
  transition: all 0.25s ease;
}

.en-btn-primary-v2:hover {
  background: #f0f4ff;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.en-btn-secondary-v2 {
  display: inline-block;
  padding: 12px 32px;
  background: transparent;
  color: #ffffff;
  font-size: 15px;
  font-weight: 600;
  border: 2px solid rgba(255, 255, 255, 0.45);
  border-radius: 4px;
  text-decoration: none;
  transition: all 0.25s ease;
}

.en-btn-secondary-v2:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #ffffff;
  transform: translateY(-2px);
}

/* 信任指标 */
.en-trust-v2 {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 0;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 18px 32px;
}

.en-trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 20px;
}

.en-trust-num {
  font-size: clamp(1.4rem, 2.5vw, 1.8rem);
  font-weight: 700;
  color: #ffffff;
  line-height: 1.2;
}

.en-trust-num .en-trust-accent {
  color: #64ffda;
}

.en-trust-label {
  font-size: clamp(0.65rem, 1.2vw, 0.75rem);
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
  white-space: nowrap;
}

.en-trust-div {
  color: rgba(255, 255, 255, 0.2);
  font-size: 18px;
  padding: 0 4px;
}

/* Responsive */
@media (max-width: 768px) {
  .en-hero-wrap {
    padding: 60px 24px 50px;
  }

  .en-trust-v2 {
    padding: 16px 20px;
  }

  .en-trust-item {
    padding: 8px 16px;
  }

  .en-trust-div {
    display: none;
  }
}

@media (max-width: 480px) {
  .en-hero-wrap {
    padding: 50px 20px 40px;
  }

  .en-cta-v2 {
    flex-direction: column;
    width: 100%;
    max-width: 260px;
  }

  .en-btn-primary-v2,
  .en-btn-secondary-v2 {
    width: 100%;
    text-align: center;
  }

  .en-trust-num {
    font-size: 1.5rem;
  }
}


/* ================================================
   ABOUT US SECTION
   ================================================ */

.about-intro-section {
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
  padding: 80px 0;
}

.about-intro-wrapper {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 60px;
  align-items: start;
  max-width: 1100px;
  margin: 0 auto;
}

.about-intro-label {
  text-align: right;
  padding-top: 8px;
}

.about-intro-label .section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent, #2563eb);
  margin-bottom: 16px;
}

.about-intro-label .section-divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent, #2563eb), var(--color-highlight, #64ffda));
  margin-left: auto;
}

.about-intro-content {
  max-width: 700px;
}

.about-intro-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: #1a2a4a;
  margin: 0 0 24px 0;
  line-height: 1.3;
}

.about-intro-text {
  font-size: 1rem;
  color: #4a5568;
  line-height: 1.8;
  margin: 0 0 20px 0;
}

.about-intro-text:last-of-type {
  margin-bottom: 32px;
}

.about-intro-cta {
  margin-top: 24px;
}

/* Responsive Adjustments */
@media (max-width: 900px) {
  .about-intro-wrapper {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about-intro-label {
    text-align: left;
  }

  .about-intro-label .section-divider {
    margin-left: 0;
  }
}

@media (max-width: 600px) {
  .about-intro-section {
    padding: 60px 0;
  }
}