/* BLU-RAY Custom Styles */
:root {
  --primary: #0a2540;
  --primary-light: #1a73e8;
  --accent: #00bfa5;
  --dark-bg: #0d1b2a;
  --text: #1a1a2e;
  --text-muted: #6b7280;
  --bg-light: #f5f7fa;
}

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

body {
  font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.6;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

.container { max-width: 1360px; margin: 0 auto; padding: 0 1.5rem; }

/* Header */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.95); backdrop-filter: blur(8px);
  border-bottom: 1px solid #f0f0f0; box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 0.75rem; }
.logo-icon {
  /*width: 40px;*/ height: 40px; /*border-radius: 8px;
  background: linear-gradient(135deg, #0052CC, #003d99);*/
  display: flex; align-items: center; justify-content: center;
}
.logo-icon svg { width: 24px; height: 24px; }
.logo-text .brand { font-size: 1.125rem; font-weight: 800; color: #003d99; letter-spacing: -0.5px; }
.logo-text .sub { font-size: 9px; color: var(--text-muted); letter-spacing: 0.5px; }

/* Navigation */
.main-nav { display: flex; align-items: center; gap: 0.25rem; }
.nav-item { position: relative; }
.nav-link {
  display: flex; align-items: center; gap: 4px;
  padding: 0.5rem 1rem; border-radius: 6px;
  font-size: 0.975rem; font-weight: 500; color: #374151;
  transition: all 0.2s;
}
.nav-link:hover, .nav-link.active { color: var(--primary-light); background: #eff6ff; }
.nav-link svg { width: 14px; height: 14px; }

.dropdown {
  position: absolute; top: 100%; left: 0; margin-top: 4px;
  min-width: 240px; background: #fff; border-radius: 8px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.12); border: 1px solid #f0f0f0;
  padding: 0.5rem 0; opacity: 0; visibility: hidden;
  transform: translateY(8px); transition: all 0.2s;
}
.nav-item:hover .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown a {
  display: block; padding: 0.625rem 1rem; font-size: 0.875rem;
  color: #4b5563; transition: all 0.15s;
}
.dropdown a:hover { color: var(--primary-light); background: #eff6ff; }

.header-cta {
  display: inline-flex; align-items: center; padding: 0.625rem 1.25rem;
  background: var(--primary-light); color: #fff; font-size: 0.875rem;
  font-weight: 500; border-radius: 8px; transition: background 0.2s;
}
.header-cta:hover { background: #1557b0; }

.mobile-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.mobile-toggle svg { width: 24px; height: 24px; color: #4b5563; }

/* Hero Gradient */
.hero-gradient { background: linear-gradient(135deg, #0a2540 0%, #0d3b66 50%, #1a73e8 100%); }

/* Card Hover */
.card-hover { transition: transform 0.3s, box-shadow 0.3s; }
.card-hover:hover { transform: translateY(-4px); box-shadow: 0 12px 24px rgba(10,37,64,0.12); }

/* Section spacing */
.section { padding: 5rem 0; }
.section-lg { padding: 7rem 0; }

/* Carousel */
.carousel { position: relative; width: 100%; height: 600px; overflow: hidden; }
.carousel-track {
  display: flex; height: 100%;
  transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: transform;
}
.carousel-slide {
  position: relative; min-width: 100%; height: 100%; flex-shrink: 0;
}
.carousel-slide img { width: 100%; height: 100%; object-fit: cover; }
.carousel-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to right, rgba(10,37,64,0.8), rgba(10,37,64,0.5) 50%, transparent);
}
.carousel-content {
  position: relative; z-index: 2; height: 100%;
  display: flex; align-items: center; padding: 0 1.5rem;
  max-width: 1360px; margin: 0 auto;
}
.carousel-text { max-width: 600px; }
.carousel-text h1 { font-size: 3rem; font-weight: 700; color: #fff; line-height: 1.2; margin-bottom: 1rem; }
.carousel-text p { font-size: 1.125rem; color: rgba(255,255,255,0.85); margin-bottom: 2rem; line-height: 1.7; }
.carousel-btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.875rem 2rem; background: var(--primary-light); color: #fff;
  font-weight: 500; border-radius: 8px; transition: background 0.2s;
}
.carousel-btn:hover { background: #1557b0; }

.carousel-nav {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 10;
  width: 56px; height: 56px; border-radius: 50%;
  background: rgba(255,255,255,0.2); backdrop-filter: blur(8px);
  border: 2px solid rgba(255,255,255,0.4); color: #fff;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 1.25rem; font-weight: 300;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}
.carousel-nav:hover { 
  background: rgba(255,255,255,0.35); 
  border-color: rgba(255,255,255,0.6);
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 6px 24px rgba(0,0,0,0.3);
}
.carousel-nav.prev { left: 2rem; }
.carousel-nav.next { right: 2rem; }
.carousel-dots {
  position: absolute; bottom: 1.5rem; left: 50%; transform: translateX(-50%);
  z-index: 10; display: flex; gap: 0.75rem;
}
.carousel-dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: rgba(255,255,255,0.4); cursor: pointer;
  transition: all 0.3s; border: none;
}
.carousel-dot.active { width: 32px; border-radius: 6px; background: #fff; }

/* Solutions Carousel */
.sol-carousel { background: var(--bg-light); }
.sol-carousel-inner {
  display: grid; grid-template-columns: 1fr 1fr;
  background: #fff; border-radius: 16px; overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06); position: relative;
  min-height: 480px;
}
.sol-carousel-img { position: relative; overflow: hidden; }
.sol-carousel-img img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; opacity: 0; 
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  transform: scale(1.08);
}
.sol-carousel-img img.active { opacity: 1; transform: scale(1); }
.sol-carousel-content { 
  padding: 3rem; display: flex; flex-direction: column; justify-content: center; 
  position: relative; min-height: 480px;
}
.sol-content-wrapper {
  transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1), transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.sol-content-wrapper.fade-out { opacity: 0; transform: translateY(20px); }
.sol-content-wrapper.fade-in { opacity: 1; transform: translateY(0); }

/* Solution Detail - Advantages Grid */
.sol-advantages-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem;
}
.sol-advantage-card {
  background: #fff; border-radius: 12px; padding: 2rem;
  border: 1px solid #e5e7eb; transition: all 0.3s;
}
.sol-advantage-card:hover {
  border-color: var(--primary-light);
  box-shadow: 0 8px 24px rgba(26,115,232,0.1);
}
.sol-advantage-icon {
  width: 56px; height: 56px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(26,115,232,0.1), rgba(0,191,165,0.1));
  display: flex; align-items: center; justify-content: center;
  color: var(--primary-light); margin-bottom: 1.25rem;
}
.sol-advantage-title {
  font-size: 1.125rem; font-weight: 700; color: var(--primary);
  margin-bottom: 0.75rem;
}
.sol-advantage-desc {
  color: var(--text-muted); font-size: 0.9375rem; line-height: 1.7;
}

/* Solution Detail - Connection Diagram */
.sol-diagram-wrapper {
  background: transparent;
  border-radius: 16px;
  padding: 0;
}

/* About Page - Stats */
.about-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem;
  margin-top: 3rem; padding-top: 3rem;
  border-top: 1px solid #e5e7eb;
}
.about-stat-item { text-align: center; }
.about-stat-number {
  display: block; font-size: 2rem; font-weight: 800;
  color: var(--primary-light); margin-bottom: 0.25rem;
}
.about-stat-label {
  display: block; font-size: 0.875rem; color: var(--text-muted);
}

/* About Page - Certifications */
.cert-logos {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 2rem; margin-top: 1rem;
}
.cert-badge {
  display: flex; flex-direction: column; align-items: center; gap: 0.75rem;
  padding: 1.5rem 2rem; background: #fff; border-radius: 12px;
  border: 1px solid #e5e7eb; transition: all 0.3s; min-width: 140px;
}
.cert-badge:hover {
  border-color: var(--primary-light);
  box-shadow: 0 4px 16px rgba(26,115,232,0.1);
  transform: translateY(-2px);
}
.cert-icon {
  width: 64px; height: 64px; border-radius: 50%;
  background: #eff6ff; display: flex;
  align-items: center; justify-content: center;
}
.cert-name {
  font-size: 0.9375rem; font-weight: 600; color: var(--primary);
}

@media (max-width: 768px) {
  .about-stats { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
  .about-stat-number { font-size: 1.5rem; }
  .cert-logos { gap: 1rem; }
  .cert-badge { padding: 1rem 1.25rem; min-width: 100px; }
  .cert-icon { width: 48px; height: 48px; }
  .cert-icon svg { width: 24px !important; height: 24px !important; }
}

/* Contact Page */
.contact-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem;
  max-width: 900px; margin: 0 auto;
}
.contact-card {
  background: #fff; border-radius: 12px; padding: 2rem;
  border: 1px solid #e5e7eb; text-align: center;
}
.contact-card-icon {
  width: 64px; height: 64px; border-radius: 50%;
  background: #eff6ff; display: flex;
  align-items: center; justify-content: center;
  margin: 0 auto 1rem; color: #1a73e8;
}
.contact-card-label {
  font-size: 0.75rem; font-weight: 600; color: #9ca3af;
  text-transform: uppercase; letter-spacing: 1px; margin-bottom: 0.5rem;
}
.contact-card-value {
  display: block; font-size: 1rem; font-weight: 600; color: var(--primary);
  margin-bottom: 0.25rem;
}
.contact-card-value:hover { color: var(--primary-light); }
.contact-card-action {
  display: inline-block; font-size: 0.8125rem; color: var(--primary-light);
  font-weight: 500; margin-top: 0.5rem;
}
.contact-card-action:hover { text-decoration: underline; }

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .contact-card { padding: 1.5rem; }
}

/* Product Detail Page */
.pd-hero { padding: 3rem 0; }
.pd-hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.pd-hero-image { border-radius: 12px; overflow: hidden; box-shadow: 0 4px 16px rgba(0,0,0,0.08); }

/* Product Highlights */
.pd-highlights-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.pd-highlight-card {
  background: #f9fafb; border-radius: 12px; padding: 2rem;
  border: 1px solid #e5e7eb; text-align: center;
}
.pd-highlight-icon {
  width: 56px; height: 56px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(26,115,232,0.1), rgba(0,191,165,0.1));
  display: flex; align-items: center; justify-content: center;
  color: var(--primary-light); margin: 0 auto 1.25rem;
}
.pd-highlight-icon svg { width: 28px; height: 28px; }
.pd-highlight-card h3 { font-size: 1.125rem; font-weight: 700; color: var(--primary); margin-bottom: 0.75rem; }
.pd-highlight-card p { color: var(--text-muted); font-size: 0.9375rem; line-height: 1.7; }

/* Benefits */
.pd-benefits-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1.5rem; }
.pd-benefit-item {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  padding: 1.5rem 0.75rem; border-radius: 10px;
  background: rgba(255,255,255,0.08); transition: all 0.3s ease;
}
.pd-benefit-item:hover { background: rgba(255,255,255,0.15); transform: translateY(-2px); }
.pd-benefit-icon { width: 48px; height: 48px; margin-bottom: 0.75rem; color: var(--accent); flex-shrink: 0; }
.pd-benefit-icon svg { width: 100%; height: 100%; }
.pd-benefit-item p { color: rgba(255,255,255,0.9); font-size: 0.875rem; line-height: 1.5; margin: 0; }
@media (max-width: 1024px) { .pd-benefits-list { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 640px) { .pd-benefits-list { grid-template-columns: repeat(2, 1fr); } }

/* Product Models */
.pd-model-tabs { display: flex; gap: 0.5rem; margin-bottom: 2rem; justify-content: center; }
.pd-model-tab {
  padding: 0.625rem 1.5rem; border-radius: 999px;
  font-size: 0.875rem; font-weight: 500; border: 2px solid #e5e7eb;
  background: #fff; color: #6b7280; cursor: pointer; transition: all 0.2s;
}
.pd-model-tab.active { background: var(--primary-light); color: #fff; border-color: var(--primary-light); }
.pd-model-tab:hover:not(.active) { border-color: var(--primary-light); color: var(--primary-light); }
.pd-specs-table-wrapper { overflow-x: auto; border-radius: 12px; border: 1px solid #e5e7eb; }
.pd-specs-table { width: 100%; border-collapse: collapse; min-width: 600px; }
.pd-specs-table th {
  background: var(--primary); color: #fff; padding: 0.75rem 1rem;
  font-size: 0.8125rem; font-weight: 600; text-align: center; white-space: nowrap;
}
.pd-specs-table td {
  padding: 0.625rem 1rem; font-size: 0.8125rem; color: var(--text-muted);
  text-align: center; border-bottom: 1px solid #f0f0f0;
}
.pd-specs-table tbody tr:nth-child(even) { background: #fafafa; }
.pd-specs-table tbody tr:hover { background: #eff6ff; }

/* Downloads */
.pd-downloads { display: flex; flex-direction: column; gap: 1rem; max-width: 700px; margin: 0 auto; }
.pd-download-item {
  display: flex; align-items: center; gap: 1rem;
  background: #fff; border-radius: 12px; padding: 1.25rem 1.5rem;
  border: 1px solid #e5e7eb;
}
.pd-download-icon {
  width: 48px; height: 48px; border-radius: 8px; background: #fef2f2;
  display: flex; align-items: center; justify-content: center;
  color: #ef4444; flex-shrink: 0;
}
.pd-download-info { flex: 1; }
.pd-download-name { display: block; font-weight: 600; color: var(--primary); font-size: 0.9375rem; }
.pd-download-type { display: block; font-size: 0.75rem; color: #9ca3af; margin-top: 0.125rem; }

@media (max-width: 768px) {
  .pd-hero-grid { grid-template-columns: 1fr; gap: 2rem; }
  .pd-highlights-grid { grid-template-columns: 1fr; }
  .pd-benefit-item { gap: 1rem; padding: 1rem; }
  .pd-benefit-num { font-size: 1.25rem; width: 32px; }
  .pd-model-tabs { flex-wrap: wrap; }
}
.sol-counter { position: absolute; top: 1.5rem; right: 1.5rem; font-size: 0.875rem; color: #9ca3af; }
.sol-counter .current { color: var(--primary-light); font-weight: 700; font-size: 1.25rem; }
.sol-tag {
  display: inline-block; font-size: 0.75rem; font-weight: 500;
  color: var(--primary-light); background: #eff6ff;
  padding: 0.25rem 0.75rem; border-radius: 999px; margin-bottom: 1rem;
}
.sol-title { font-size: 1.75rem; font-weight: 700; color: var(--primary); margin-bottom: 1rem; }
.sol-desc { color: var(--text-muted); line-height: 1.7; margin-bottom: 2rem; }
.sol-link {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 1.5rem; background: var(--primary-light); color: #fff;
  font-weight: 500; border-radius: 8px; transition: background 0.2s; width: fit-content;
}
.sol-link:hover { background: #1557b0; }
.sol-nav-btn {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 10;
  width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,0.9);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1); border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: #4b5563; transition: all 0.2s;
}
.sol-nav-btn:hover { background: #fff; color: var(--primary-light); }
.sol-nav-btn.prev { left: 1rem; }
.sol-nav-btn.next { right: 1rem; }
.sol-thumbs { display: flex; justify-content: center; gap: 0.75rem; margin-top: 2rem; }
.sol-thumb {
  width: 80px; height: 56px; border-radius: 8px; overflow: hidden;
  cursor: pointer; opacity: 0.5; transition: all 0.3s;
  border: 2px solid transparent;
}
.sol-thumb.active { opacity: 1; border-color: var(--primary-light); }
.sol-thumb img { width: 100%; height: 100%; object-fit: cover; }

/* Page Hero */
.page-hero { padding: 8rem 0 5rem; text-align: center; }
.page-hero h1 { font-size: 3rem; font-weight: 700; color: #fff; margin-bottom: 1rem; }
.page-hero p { font-size: 1.25rem; color: rgba(191,219,254,0.8); }

/* Footer */
.site-footer { background: var(--dark-bg); color: #fff; padding: 4rem 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 3rem; }
.footer-title { font-weight: 600; margin-bottom: 1rem; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0.625rem; }
.footer-links a { font-size: 0.875rem; color: #9ca3af; transition: color 0.2s; }
.footer-links a:hover { color: var(--primary-light); }
.footer-contact { list-style: none; }
.footer-contact li { display: flex; align-items: flex-start; gap: 0.75rem; margin-bottom: 0.75rem; font-size: 0.875rem; color: #9ca3af; }
.footer-contact svg { width: 16px; height: 16px; color: var(--primary-light); flex-shrink: 0; margin-top: 2px; }
.footer-bottom {
  border-top: 1px solid #1f2937; margin-top: 3rem;
  padding: 1.25rem 0; display: flex; align-items: center;
  justify-content: space-between; font-size: 0.75rem; color: #6b7280;
}

/* Buttons */
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.875rem 2rem; background: var(--primary-light); color: #fff;
  font-weight: 500; border-radius: 8px; border: none; cursor: pointer;
  transition: background 0.2s; font-size: 0.9375rem;
}
.btn-primary:hover { background: #1557b0; }
.btn-outline {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 1.5rem; border: 2px solid var(--primary-light);
  color: var(--primary-light); font-weight: 500; border-radius: 8px;
  transition: all 0.2s; font-size: 0.9375rem; background: transparent; cursor: pointer;
}
.btn-outline:hover { background: var(--primary-light); color: #fff; }

/* Section titles */
.section-title { text-align: center; margin-bottom: 3.5rem; }
.section-title h2 { font-size: 2.25rem; font-weight: 700; color: var(--primary); margin-bottom: 1rem; }
.section-title p { color: var(--text-muted); max-width: 600px; margin: 0 auto; }

/* Grid helpers */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

/* Responsive */
@media (max-width: 1024px) {
  .main-nav, .header-cta { display: none; }
  .mobile-toggle { display: block; }
  .carousel { height: 500px; }
  .carousel-text h1 { font-size: 2.25rem; }
  .sol-carousel-inner { grid-template-columns: 1fr; min-height: auto; }
  .sol-carousel-img { min-height: 280px; }
  .sol-carousel-content { min-height: auto; padding: 2rem; }
  .sol-advantages-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .carousel { height: 400px; }
  .carousel-text h1 { font-size: 1.75rem; }
  .carousel-text p { font-size: 1rem; }
  .carousel-nav { width: 44px; height: 44px; font-size: 1rem; }
  .carousel-nav.prev { left: 1rem; }
  .carousel-nav.next { right: 1rem; }
  .page-hero h1 { font-size: 2.25rem; }
  .section-title h2 { font-size: 1.75rem; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .sol-advantages-grid { grid-template-columns: 1fr; }
  .sol-advantage-card { padding: 1.5rem; }
  .sol-diagram-wrapper { padding: 1rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
  .sol-carousel-content { padding: 2rem 1.5rem; }
  .sol-title { font-size: 1.375rem; }
}

/* Mobile nav */
.mobile-nav {
  display: none; position: fixed; top: 72px; left: 0; right: 0; bottom: 0; height: 600px;
  background: #fff; z-index: 999; padding: 1rem;
  overflow-y: auto; border-top: 1px solid #f0f0f0;
}
.mobile-nav.open { display: block; }
.mobile-nav a {
  display: block; padding: 0.75rem 1rem; border-radius: 6px;
  font-size: 0.9375rem; font-weight: 500; color: #374151;
}
.mobile-nav a:hover { background: #f9fafb; color: var(--primary-light); }
.mobile-nav .sub-links { padding-left: 1rem; }
.mobile-nav .sub-links a { font-size: 0.875rem; color: #6b7280; font-weight: 400; }

/* Specs table */
.specs-table { width: 100%; border-collapse: collapse; }
.specs-table tr:nth-child(even) { background: var(--bg-light); }
.specs-table td { padding: 1rem 1.5rem; }
.specs-table td:first-child { font-weight: 500; color: var(--primary); width: 33%; border-right: 1px solid #e5e7eb; }
.specs-table td:last-child { color: var(--text-muted); }

/* Timeline */
.timeline { position: relative; padding-left: 2rem; }
.timeline::before {
  content: ''; position: absolute; left: 7px; top: 0; bottom: 0;
  width: 2px; background: rgba(26,115,232,0.2);
}
.timeline-item { position: relative; padding-bottom: 2.5rem; }
.timeline-item::before {
  content: ''; position: absolute; left: -2rem; top: 4px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--primary-light); border: 4px solid #fff;
  box-shadow: 0 0 0 2px rgba(26,115,232,0.2);
}
.timeline-year {
  display: inline-block; padding: 0.25rem 1rem;
  background: var(--primary-light); color: #fff;
  font-size: 0.875rem; font-weight: 700; border-radius: 999px;
  margin-bottom: 0.75rem;
}
.timeline-events { list-style: none; }
.timeline-events li { font-size: 0.875rem; color: var(--text-muted); margin-bottom: 0.375rem; }

/* Form */
.form-group { margin-bottom: 1rem; }
.form-label { display: block; font-size: 0.875rem; font-weight: 500; color: #374151; margin-bottom: 0.25rem; }
.form-input {
  width: 100%; padding: 0.625rem 1rem; border: 1px solid #e5e7eb;
  border-radius: 8px; font-size: 0.9375rem; transition: all 0.2s;
  font-family: inherit;
}
.form-input:focus { outline: none; border-color: var(--primary-light); box-shadow: 0 0 0 3px rgba(26,115,232,0.1); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }

/* Scroll Fade-in Animation */
.fade-in-section {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
.fade-in-section.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered animation for grid items */
.fade-in-section.visible .card-hover,
.fade-in-section.visible .timeline-item {
  animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) both;
}
.fade-in-section.visible .card-hover:nth-child(1),
.fade-in-section.visible .timeline-item:nth-child(1) { animation-delay: 0.1s; }
.fade-in-section.visible .card-hover:nth-child(2),
.fade-in-section.visible .timeline-item:nth-child(2) { animation-delay: 0.2s; }
.fade-in-section.visible .card-hover:nth-child(3),
.fade-in-section.visible .timeline-item:nth-child(3) { animation-delay: 0.3s; }
.fade-in-section.visible .card-hover:nth-child(4),
.fade-in-section.visible .timeline-item:nth-child(4) { animation-delay: 0.4s; }
.fade-in-section.visible .card-hover:nth-child(5) { animation-delay: 0.5s; }
.fade-in-section.visible .card-hover:nth-child(6) { animation-delay: 0.6s; }

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive adjustments for animations */
@media (prefers-reduced-motion: reduce) {
  .fade-in-section {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .fade-in-section.visible .card-hover,
  .fade-in-section.visible .timeline-item {
    animation: none;
  }
  .carousel-track {
    transition: none;
  }
}

/* Scrollable product carousel */
#sol-products {
  scrollbar-width: thin;
  scrollbar-color: #1a73e8 #e5e7eb;
}
#sol-products::-webkit-scrollbar {
  height: 6px;
}
#sol-products::-webkit-scrollbar-track {
  background: #e5e7eb;
  border-radius: 3px;
}
#sol-products::-webkit-scrollbar-thumb {
  background: #1a73e8;
  border-radius: 3px;
}
#sol-products::-webkit-scrollbar-thumb:hover {
  background: #0a2540;
}

/* Product card fixed width in carousel */
.sol-prod-card {
  width: calc((100% - 48px) / 3);
  min-width: 260px;
}

/* Product carousel arrow buttons */
.sol-prod-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  font-size: 28px;
  line-height: 1;
  color: #0a2540;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sol-prod-arrow:hover {
  background: #1a73e8;
  color: #fff;
  box-shadow: 0 4px 12px rgba(26, 115, 232, 0.3);
}
.sol-prod-arrow-left {
  left: -24px;
}
.sol-prod-arrow-right {
  right: -24px;
}
@media (max-width: 768px) {
  .sol-prod-arrow {
    width: 36px;
    height: 36px;
    font-size: 22px;
  }
  .sol-prod-arrow-left {
    left: -8px;
  }
  .sol-prod-arrow-right {
    right: -8px;
  }
}