/* ===== HOME PAGE SPECIFIC STYLES ===== */

/* ===== HERO BANNER CAROUSEL ===== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  overflow: hidden;
  background: #0a0a0a;
}
.hero-slides {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease-in-out;
  pointer-events: none;
}
.hero-slide.active {
  opacity: 1;
  pointer-events: auto;
}
.hero-bg-dark {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: url('../images/banner/bjbj.png') center center / cover no-repeat;
}
.hero-world-map {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: rgba(0, 0, 0, 0.35);
  pointer-events: none;
}
.hero-container {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 60px;
}
.hero-text {
  flex: 1;
  max-width: 600px;
}
.hero-brand {
  font-family: var(--font-en);
  font-size: 5rem;
  font-weight: 900;
  color: var(--color-accent);
  letter-spacing: 10px;
  line-height: 1;
  margin-bottom: 16px;
  text-shadow: 0 0 30px rgba(0, 229, 255, 0.4), 0 0 60px rgba(0, 229, 255, 0.15);
  animation: heroFadeIn 1s ease-out;
}
.hero-title-cn {
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.4;
  margin-bottom: 20px;
  letter-spacing: 4px;
  animation: heroFadeIn 1s ease-out 0.2s both;
}
.hero-divider {
  width: 60px;
  height: 2px;
  background: var(--color-white);
  margin-bottom: 20px;
  animation: heroFadeIn 1s ease-out 0.4s both;
}
.hero-title-en {
  font-family: var(--font-en);
  font-size: 0.9rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 40px;
  animation: heroFadeIn 1s ease-out 0.6s both;
}
.hero-pill-btn {
  display: inline-block;
  background: var(--color-white);
  color: #111;
  padding: 14px 36px;
  border-radius: 30px;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 2px;
  transition: var(--transition);
  animation: heroFadeIn 1s ease-out 0.8s both;
}
.hero-pill-btn:hover {
  background: var(--color-accent);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0, 229, 255, 0.4);
}
.hero-product {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 55%;
}
.hero-product img {
  max-height: 560px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 10px 40px rgba(0, 229, 255, 0.12));
  animation: heroProductFloat 6s ease-in-out infinite;
}
@keyframes heroProductFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}
@keyframes heroFadeIn {
  0% { opacity: 0; transform: translateY(30px); }
  100% { opacity: 1; transform: translateY(0); }
}
.hero-nav-arrows {
  position: absolute;
  right: 40px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 20;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.hero-nav-arrows .arrow-up,
.hero-nav-arrows .arrow-down {
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: rgba(255,255,255,0.6);
  cursor: pointer;
  transition: var(--transition);
  background: rgba(0,0,0,0.2);
  user-select: none;
}
.hero-nav-arrows .arrow-up:hover,
.hero-nav-arrows .arrow-down:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(0,229,255,0.1);
}

/* Hero dots */
.hero-dots {
  position: absolute;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  display: flex;
  gap: 10px;
}
.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  cursor: pointer;
  transition: var(--transition);
}
.hero-dot.active {
  background: var(--color-accent);
  box-shadow: 0 0 8px rgba(0,229,255,0.5);
}
.hero-dot:hover {
  background: rgba(255,255,255,0.6);
}
.hero-bottom-glow {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 200px;
  z-index: 3;
  background: radial-gradient(ellipse at center bottom, rgba(255,255,255,0.08) 0%, transparent 70%);
  animation: glowPulse 4s ease-in-out infinite;
}
@keyframes glowPulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}
.hero-watermark {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  font-family: var(--font-en);
  font-size: 4rem;
  font-weight: 900;
  color: var(--color-white);
  opacity: 0.04;
  letter-spacing: 20px;
  pointer-events: none;
}

/* ===== STATS BAR ===== */
.stats-bar {
  position: relative;
  z-index: 20;
  margin-top: -60px;
  margin-bottom: 80px;
}
.stats-bar .container {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 40px rgba(13, 20, 66, 0.12);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
}
.stat-item {
  padding: 40px 32px;
  text-align: center;
  position: relative;
  transition: var(--transition);
}
.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: var(--color-silver);
  opacity: 0.3;
}
.stat-item:hover {
  background: var(--color-light-bg);
}
.stat-number {
  font-family: var(--font-en);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 4px;
}
.stat-number .accent { color: var(--color-accent); font-size: 1.5rem; }
.stat-label {
  font-size: 0.9rem;
  color: var(--color-text-light);
  letter-spacing: 1px;
}

/* ===== ABOUT SECTION ===== */
.about-section {
  padding: 100px 0;
  background: var(--color-white);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-image {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
}
.about-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--radius-md);
}
.about-image::before {
  content: '';
  position: absolute;
  top: -10px;
  left: -10px;
  right: 10px;
  bottom: 10px;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-md);
  z-index: -1;
  opacity: 0.3;
}
.about-image .exp-badge {
  position: absolute;
  bottom: 24px;
  right: 24px;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 16px 24px;
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: 0 4px 20px rgba(29, 32, 136, 0.4);
}
.exp-badge .number {
  font-family: var(--font-en);
  font-size: 2rem;
  font-weight: 900;
  color: var(--color-accent);
  line-height: 1;
}
.exp-badge .text {
  font-size: 0.8rem;
  margin-top: 4px;
  opacity: 0.8;
}
.about-content h3 {
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-bottom: 20px;
  line-height: 1.4;
}
.about-content p {
  font-size: 1rem;
  color: var(--color-text-light);
  line-height: 2;
  margin-bottom: 16px;
}
.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
  margin-bottom: 32px;
}
.about-tags span {
  padding: 8px 20px;
  background: var(--color-light-bg);
  border-radius: 30px;
  font-size: 0.85rem;
  color: var(--color-primary);
  border: 1px solid rgba(29, 32, 136, 0.1);
  letter-spacing: 1px;
}

/* ===== PRODUCTS SECTION ===== */
.products-section {
  padding: 100px 0;
  background: var(--color-light-bg);
  position: relative;
}
.products-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-silver), transparent);
  opacity: 0.3;
}
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.product-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  border: 1px solid rgba(192, 196, 204, 0.2);
  position: relative;
}
.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(0, 229, 255, 0.3);
}
.product-card-image {
  height: 220px;
  overflow: hidden;
  position: relative;
  background: linear-gradient(135deg, #e8eaf6, #c5cae9);
}
.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.product-card:hover .product-card-image img {
  transform: scale(1.05);
}
.product-card-image .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,20,66,0.6) 0%, transparent 50%);
  opacity: 0;
  transition: var(--transition);
}
.product-card:hover .product-card-image .overlay { opacity: 1; }
.product-card-body {
  padding: 24px;
}
.product-card-body h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
  line-height: 1.4;
}
.product-card-body .en-name {
  font-family: var(--font-en);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: 12px;
  line-height: 1.4;
}
.product-card-body p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 16px;
}
.product-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--color-primary);
  font-weight: 500;
}
.product-card-link .arrow {
  transition: var(--transition);
  font-size: 1rem;
}
.product-card:hover .product-card-link .arrow {
  transform: translateX(4px);
  color: var(--color-accent);
}
.product-card:hover .product-card-link { color: var(--color-accent); }

/* ===== INNOVATION SECTION ===== */
.innovation-section {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  position: relative;
  overflow: hidden;
}
.innovation-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,229,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
}
.innovation-section .section-title h2 { color: var(--color-white); }
.innovation-section .section-title .en-title { color: rgba(255,255,255,0.4); }

.innovation-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
  z-index: 2;
}
.innovation-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(0, 229, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  transition: var(--transition);
  backdrop-filter: blur(5px);
  position: relative;
  overflow: hidden;
}
.innovation-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), transparent);
  opacity: 0;
  transition: var(--transition);
}
.innovation-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(0, 229, 255, 0.3);
  transform: translateY(-4px);
}
.innovation-card:hover::before { opacity: 1; }
.innovation-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: rgba(0, 229, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
  color: var(--color-accent);
}
.innovation-card h4 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 12px;
  line-height: 1.4;
}
.innovation-card p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.8;
}
.innovation-card .learn-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 0.85rem;
  color: var(--color-accent);
  opacity: 0;
  transform: translateY(10px);
  transition: var(--transition);
}
.innovation-card:hover .learn-more {
  opacity: 1;
  transform: translateY(0);
}

/* ===== NEWS SECTION ===== */
.news-section {
  padding: 100px 0;
  background: var(--color-white);
}
.news-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.news-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 0;
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  border: 1px solid rgba(192, 196, 204, 0.15);
  text-decoration: none;
  color: inherit;
}
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(0, 229, 255, 0.2);
}
.news-card-image {
  height: 200px;
  overflow: hidden;
}
.news-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.news-card:hover .news-card-image img { transform: scale(1.05); }
.news-card-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.news-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.news-card-meta .date {
  font-family: var(--font-en);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}
.news-card-meta .tag {
  font-size: 0.75rem;
  padding: 3px 10px;
  background: rgba(0, 229, 255, 0.1);
  color: var(--color-primary);
  border-radius: 20px;
  letter-spacing: 0.5px;
}
.news-card-body h4 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 10px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card:hover h4 { color: var(--color-primary); }
.news-card-body p {
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== CTA SECTION ===== */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, #1a237e 100%);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta-section::before {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,229,255,0.1) 0%, transparent 70%);
  top: -200px;
  right: -100px;
}
.cta-section::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,229,255,0.08) 0%, transparent 70%);
  bottom: -150px;
  left: -100px;
}
.cta-content {
  position: relative;
  z-index: 2;
}
.cta-content h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 16px;
  letter-spacing: 2px;
}
.cta-content p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 36px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== HOME RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-brand { font-size: 3.5rem; letter-spacing: 6px; }
  .hero-title-cn { font-size: 2rem; }
  .hero-product img { max-height: 420px; }
  .hero-container { padding: 0 40px; }
  .stats-bar .container { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .innovation-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .hero { min-height: 600px; }
  .hero-container {
    flex-direction: column;
    justify-content: center;
    padding: 100px 24px 60px;
    text-align: center;
  }
  .hero-text { max-width: 100%; margin-bottom: 20px; }
  .hero-brand { font-size: 2.8rem; letter-spacing: 4px; }
  .hero-title-cn { font-size: 1.6rem; letter-spacing: 2px; }
  .hero-divider { margin-left: auto; margin-right: auto; }
  .hero-title-en { font-size: 0.75rem; }
  .hero-product { max-width: 80%; }
  .hero-product img { max-height: 260px; }
  .hero-nav-arrows { display: none; }
  .hero-watermark { font-size: 2.5rem; letter-spacing: 10px; }
  .stats-bar { margin-top: -40px; }
  .stats-bar .container { grid-template-columns: repeat(2, 1fr); }
  .stat-item { padding: 24px 16px; }
  .stat-number { font-size: 1.8rem; }
  .about-section, .products-section, .innovation-section, .news-section { padding: 60px 0; }
  .products-grid { grid-template-columns: 1fr; }
  .innovation-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .news-card { grid-template-columns: 1fr; }
  .news-card-image { min-height: 180px; }
}