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

body {
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  background: #ffffff;
  color: #1e293b;
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.top-bar {
  background: #f8fafc;
  padding: 6px 0;
  border-bottom: 1px solid #e2e8f0;
  font-size: 0.9rem;
}

.top-bar .container {
  display: flex;
  justify-content: flex-end;
  gap: 20px;
}

.lang-switch {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.lang-switch button {
  background: none;
  border: none;
  color: #64748b;
  cursor: pointer;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: 20px;
  transition: all 0.2s;
  font-size: 0.95rem;
  min-width: 60px;
}

.lang-switch button.active {
  background: #1e293b;
  color: white;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  position: relative;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: #0f172a;
}

.logo span {
  color: #2563eb;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  text-decoration: none;
  color: #334155;
  font-weight: 500;
  transition: color 0.2s;
  padding: 8px 0;
  display: inline-block;
}

.nav-links a:hover {
  color: #2563eb;
}

.btn-outline {
  border: 1.5px solid #2563eb;
  background: transparent;
  padding: 10px 24px;
  border-radius: 40px;
  color: #2563eb;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  display: inline-block;
  text-align: center;
}

.btn-outline:hover {
  background: #2563eb;
  color: white;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.8rem;
  color: #1e293b;
  cursor: pointer;
  padding: 8px 12px;
  border-radius: 8px;
}

.lang-content {
  display: none;
}

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

.hero {
  padding: 40px 0 30px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 30px;
}

.hero-content {
  flex: 1 1 350px;
}

.hero-content .badge {
  background: #e0e7ff;
  color: #3730a3;
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 500;
  display: inline-block;
  margin-bottom: 20px;
}

.hero-content h1 {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  color: #0f172a;
}

.hero-content h1 span {
  color: #2563eb;
}

.hero-content p {
  font-size: 1.1rem;
  color: #475569;
  margin-bottom: 24px;
  max-width: 550px;
}

.hero-stats {
  display: flex;
  gap: 24px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.stat {
  text-align: left;
}

.stat-number {
  font-size: 1.8rem;
  font-weight: 800;
  color: #2563eb;
}

.stat-label {
  color: #64748b;
  font-size: 0.9rem;
}

.hero-carousel {
  flex: 1 1 350px;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 20px 30px -10px rgba(0,0,0,0.1);
  position: relative;
  height: 280px;
  background: #f1f5f9;
}

.carousel-slides {
  display: flex;
  height: 100%;
  transition: transform 0.5s ease-in-out;
}

.carousel-slide {
  flex: 0 0 100%;
  height: 100%;
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.carousel-slide .fallback {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #e2e8f0;
  color: #64748b;
  font-size: 0.9rem;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.85);
  border: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #1e293b;
  font-size: 1.2rem;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  transition: all 0.2s;
  z-index: 10;
  backdrop-filter: blur(4px);
}

.carousel-btn:hover {
  background: white;
}

.carousel-btn.prev {
  left: 12px;
}

.carousel-btn.next {
  right: 12px;
}

.carousel-dots {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.7);
  border: 1px solid rgba(0,0,0,0.1);
  cursor: pointer;
  transition: all 0.2s;
  padding: 0;
}

.dot.active {
  background: #2563eb;
  width: 24px;
  border-radius: 20px;
}

.section {
  padding: 60px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 40px;
}

.section-title h2 {
  font-size: 2.2rem;
  font-weight: 700;
  color: #0f172a;
}

.section-title p {
  color: #64748b;
  font-size: 1.1rem;
  margin-top: 10px;
}

.about-grid {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  align-items: center;
}

.about-text {
  flex: 2 1 300px;
}

.about-highlights {
  flex: 1 1 260px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.highlight-item {
  background: #f8fafc;
  padding: 24px 20px;
  border-radius: 20px;
  border-left: 6px solid #2563eb;
}

.highlight-item i {
  color: #2563eb;
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

.product-tag {
  background: #f1f5f9;
  padding: 12px 10px;
  border-radius: 40px;
  text-align: center;
  font-weight: 500;
  color: #1e293b;
  font-size: 0.95rem;
}

.product-tag.highlight-product {
  background: #2563eb;
  color: white;
  font-weight: 700;
}

.timeline {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin-top: 30px;
}

.timeline-item {
  flex: 1 1 140px;
  text-align: center;
  padding: 20px 8px;
  border-bottom: 4px solid #e2e8f0;
  position: relative;
}

.timeline-item.active {
  border-bottom-color: #2563eb;
}

.timeline-year {
  font-weight: 700;
  font-size: 1.2rem;
  color: #0f172a;
}

.timeline-desc {
  color: #64748b;
  font-size: 0.85rem;
  margin-top: 8px;
}

.org-chart {
  background: #f8fafc;
  padding: 24px 16px;
  border-radius: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow-x: auto;
}

.org-row {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  gap: 12px;
  margin: 10px 0;
  min-width: min-content;
}

.org-card {
  background: white;
  padding: 10px 18px;
  border-radius: 40px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.03);
  border: 1px solid #e2e8f0;
  font-weight: 500;
  font-size: 0.9rem;
  white-space: nowrap;
}

.org-card.highlight {
  background: #2563eb;
  color: white;
  border: none;
}

.jobs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.job-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 24px;
  padding: 24px 20px;
  transition: all 0.2s;
}

.job-card:hover {
  border-color: #2563eb;
  box-shadow: 0 10px 25px -8px rgba(37, 99, 235, 0.15);
}

.job-card i {
  font-size: 2rem;
  color: #2563eb;
  margin-bottom: 16px;
}

.job-card h4 {
  font-size: 1.2rem;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

.badge-hot {
  background: #fee2e2;
  color: #b91c1c;
  font-size: 0.7rem;
  padding: 2px 10px;
  border-radius: 30px;
  margin-left: 8px;
}

.contact-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  margin-top: 30px;
}

.contact-info {
  flex: 1 1 280px;
}

.contact-map {
  flex: 1 1 350px;
  background: #f1f5f9;
  border-radius: 24px;
  height: 250px;
  overflow: hidden;
  border: 1px solid #e2e8f0;
}

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

.contact-item i {
  width: 24px;
  color: #2563eb;
  font-size: 1.2rem;
  margin-top: 4px;
}

.footer {
  padding: 36px 0 24px;
  border-top: 1px solid #e2e8f0;
  margin-top: 40px;
  color: #64748b;
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 24px;
}

.copyright {
  text-align: center;
  margin-top: 36px;
  font-size: 0.9rem;
}

.img-placeholder {
  background: #f1f5f9;
  border: 1px dashed #94a3b8;
  border-radius: 20px;
  padding: 20px;
  text-align: center;
  color: #64748b;
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }
  .navbar {
    flex-wrap: wrap;
  }
  .menu-toggle {
    display: block;
  }
  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 4px;
    margin-top: 16px;
    padding: 16px 0;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 10px 25px -5px rgba(0,0,0,0.05);
  }
  .nav-links.active {
    display: flex;
  }
  .nav-links a {
    padding: 14px 20px;
    border-radius: 40px;
    background: #f8fafc;
    text-align: center;
  }
  .btn-outline {
    padding: 12px 20px;
    width: 100%;
    margin-top: 8px;
  }
  .hero {
    padding: 20px 0;
    gap: 20px;
  }
  .hero-content h1 {
    font-size: 2.2rem;
  }
  .hero-carousel {
    height: 220px;
    border-radius: 20px;
    margin: 0 -4px;
    width: calc(100% + 8px);
  }
  .carousel-btn {
    width: 40px;
    height: 40px;
  }
  .section {
    padding: 48px 0;
  }
  .section-title h2 {
    font-size: 1.9rem;
  }
  .timeline-item {
    flex: 1 1 45%;
    border-bottom: none;
    border-left: 4px solid #e2e8f0;
    text-align: left;
    padding: 12px 0 12px 20px;
    margin-left: 10px;
  }
  .timeline-item.active {
    border-left-color: #2563eb;
  }
  .org-row {
    flex-wrap: wrap;
  }
  .org-card {
    white-space: normal;
  }
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-map {
    height: 200px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 18px;
  }
  .product-grid {
    grid-template-columns: 1fr;
  }
}