:root {
  --primary-color: #0066cc;
  --primary-dark: #0055aa;
  --primary-light: #e6f0fa;
  --secondary-color: #0088ee;
  --accent-cyan: #00aaff;
  --text-dark: #1a365d;
  --text-light: #4a5568;
  --text-muted: #718096;
  --white: #ffffff;
  --bg-light: #f0f7ff;
  --bg-dark: #001a40;
  --border-color: #cce0f5;
  --shadow: 0 4px 20px rgba(0, 100, 200, 0.1);
  --shadow-hover: 0 12px 40px rgba(0, 100, 200, 0.15);
  --transition: all 0.3s ease;
  --max-width: 1200px;
}

.nav a { text-decoration: none; }
.footer a { text-decoration: none; }

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

body {
  font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-dark);
  background-color: var(--white);
  overflow-x: hidden;
}

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 40px; }

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, #003366 0%, #0055aa 100%);
  z-index: 1000;
  box-shadow: 0 2px 20px rgba(0, 50, 120, 0.3);
}

.header-inner { display: flex; align-items: center; justify-content: space-between; height: 80px; }

.logo {width:200px; }
img.logoimg{width:200px;}

.nav { display: flex; align-items: center; gap: 4px; }

.nav-item {
  position: relative;
  padding: 10px 18px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
}

.nav-item:hover { color: var(--white); background: rgba(255, 255, 255, 0.1); }
.nav-item.active { color: var(--white); font-weight: 600; background: rgba(255, 255, 255, 0.15); }

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 220px;
  background: var(--white);
  border-radius: 16px;
  box-shadow: 0 20px 50px rgba(0, 50, 120, 0.2);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(10px);
  transition: var(--transition);
  z-index: 100;
  margin-top: 12px;
  padding: 12px;
  border: 1px solid var(--border-color);
}

.nav-item:hover .nav-dropdown { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }

.nav-dropdown a {
  display: block;
  padding: 14px 20px;
  color: var(--text-dark);
  font-size: 14px;
  border-radius: 10px;
  transition: var(--transition);
}

.nav-dropdown a:hover { background: var(--primary-light); color: var(--primary-color); }

.lang-switch { display: flex; align-items: center; gap: 4px; padding: 4px; background: rgba(255, 255, 255, 0.15); border-radius: 50px; margin-left: 24px; border: 1px solid rgba(255, 255, 255, 0.2); }

.lang-btn {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 50px;
  border: none;
  background: transparent;
  cursor: pointer;
  transition: var(--transition);
}

.lang-btn:hover { color: rgba(255, 255, 255, 0.9); }
.lang-btn.active { color: #003366; background: var(--white); }

.mobile-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 10px; }
.mobile-toggle span { display: block; width: 24px; height: 2px; background: var(--white); border-radius: 2px; }

.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 70px;
}

.hero-canvas { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; }
.hero-overlay { position: absolute; top: 0; left: 0; right: 0; bottom: 0; /*background: radial-gradient(ellipse at center, transparent 0%, rgba(0, 30, 80, 0.4) 100%);*/     background: url(../img/bg.jpg) no-repeat;z-index: 1; background-size: 100% 100%;}

.hero-content { position: relative; z-index: 2; color: var(--white); max-width: 1100px; padding: 0 20px; }

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50px;
  color: #99ccff;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 80px;
  font-weight: 800;
  margin-bottom: 24px;
  line-height: 1.1;
  text-shadow: 0 4px 20px rgba(0, 0, 50, 0.5);
}

.hero p { font-size: 24px;  opacity: 0.9; max-width: 600px; }
.hero p:nth-of-type(2) { font-size: 24px; opacity: 0.7;  }

.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 8px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  letter-spacing: 0.5px;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, #0077ee 0%, #0055aa 100%);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(0, 100, 200, 0.4);
}

.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(0, 100, 200, 0.5); }

.btn-secondary { background: var(--white); color: var(--primary-color); }
.btn-secondary:hover { background: var(--primary-light); }

.btn-outline { background: transparent; color: var(--white); border: 2px solid rgba(255, 255, 255, 0.5); }
.btn-outline:hover { background: rgba(255, 255, 255, 0.1); border-color: var(--white); }

.scroll-indicator { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); z-index: 2; }
.scroll-indicator span { display: block; width: 26px; height: 42px; border: 2px solid rgba(255, 255, 255, 0.5); border-radius: 13px; position: relative; }
.scroll-indicator span::before { content: ''; position: absolute; top: 8px; left: 50%; transform: translateX(-50%); width: 4px; height: 10px; background: rgba(255, 255, 255, 0.8); border-radius: 2px; animation: scrollBounce 2s ease-in-out infinite; }

@keyframes scrollBounce { 0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; } 50% { transform: translateX(-50%) translateY(12px); opacity: 0.3; } }

.section { padding: 120px 0; }

.section-header { text-align: center; margin-bottom: 60px; }

.section-badge { display: inline-block; padding: 6px 16px; background: var(--primary-light); border: 1px solid var(--border-color); border-radius: 50px; color: var(--primary-color); font-size: 13px; font-weight: 600; margin-bottom: 16px; text-transform: uppercase; letter-spacing: 1px; }

.section-header h2 { font-size: 48px; font-weight: 800; color: var(--text-dark); margin-bottom: 16px; }
.section-header p { font-size: 18px; color: var(--text-light); max-width: 600px; margin: 0 auto; }

.section-products { position: relative; overflow: hidden; }
.molecule-canvas { position: absolute; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; z-index: 0; }
.section-products .container { position: relative; z-index: 1; }

.bg-light { background: linear-gradient(180deg, #f0f7ff 0%, #e6f0fa 100%); }

.products-grid { display: flex; flex-direction: column; gap: 32px; }

.product-card {
  display: flex;
  background: var(--white);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

.product-card:hover { transform: translateY(-12px); box-shadow: var(--shadow-hover); }

.card-image { width: 320px; min-height: 280px; background: linear-gradient(135deg, #0055aa 0%, #0077cc 50%, #0099ee 100%); display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; flex-shrink: 0; }

.card-icon { font-size: 80px; }

.product-content { padding: 28px; flex: 1; display: flex; flex-direction: column; justify-content: flex-start;align-items: flex-start;}

.product-tag { display: inline-block; padding: 4px 12px; background: var(--primary-light); color: var(--primary-color); font-size: 12px; font-weight: 600; border-radius: 20px; margin-bottom: 12px; }
.product-card h3 { font-size: 22px; font-weight: 600; margin-bottom: 8px; color: var(--text-dark); }
.product-card p { color: var(--text-light); font-size: 15px; margin-bottom: 16px; }

.product-features { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.product-features span { padding: 4px 10px; background: var(--bg-light); color: var(--text-muted); font-size: 12px; border-radius: 4px; }

.tech-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

.sci2{background: #ccc;position: relative;}


@media (max-width: 768px) {
  .tech-grid { grid-template-columns: 1fr; }
}

.tech-card {
  background: var(--white);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0, 80, 160, 0.08);
  transition: var(--transition);
  border: 1px solid #e8eef5;
}

.tech-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0, 80, 160, 0.12); }

.tech-icon {
  height: 100px;
  background: linear-gradient(135deg, #004488 0%, #0066aa 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
}

.tech-content { padding: 20px; }

.tech-content h3 { font-size: 18px; font-weight: 600; color: #1a365d; margin-bottom: 10px; }

.tech-content > p { color: #4a5568; font-size: 13px; margin-bottom: 14px; line-height: 1.6; }

.tech-list { list-style: none; padding: 0; margin: 0; }

.tech-list li { position: relative; padding-left: 18px; margin-bottom: 6px; color: #4a5568; font-size: 12px; }

.tech-list li::before { content: '✓'; position: absolute; left: 0; color: #0066cc; font-weight: 600; }

.team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 32px; }

.team-card {
  background: var(--white);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  text-align: center;
  border: 1px solid var(--border-color);
}

.team-card:hover { transform: translateY(-12px); box-shadow: var(--shadow-hover); }

.team-avatar { width: 140px; height: 140px; border-radius: 50%; background: linear-gradient(135deg, #0055aa 0%, #0077cc 100%); margin: 40px auto 24px; display: flex; align-items: center; justify-content: center; font-size: 56px; color: var(--white); font-weight: 700; box-shadow: 0 10px 30px rgba(0, 80, 160, 0.3); }

.team-card h3 { font-size: 22px; font-weight: 700; margin-bottom: 6px; }
.team-card .position { color: var(--primary-color); font-size: 14px; font-weight: 600; margin-bottom: 16px; }
.team-card .bio { padding: 0 28px 32px; color: var(--text-light); font-size: 14px; line-height: 1.8; }

.news-grid { display: grid;  gap: 32px; }

.news-card {
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

.news-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-hover); }

.news-image { height: 200px; background: linear-gradient(135deg, #0055aa 0%, #0077cc 100%); display: flex; align-items: center; justify-content: center; font-size: 56px; }
.news-content { padding: 28px; }
.news-date { font-size: 13px; color: var(--text-muted); margin-bottom: 12px; font-weight: 500; }
.news-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; color: var(--text-dark); line-height: 1.4; }
.news-card p { color: var(--text-light); font-size: 14px; margin-bottom: 20px; line-height: 1.7; }
.news-link { color: var(--primary-color); font-size: 14px; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.news-link:hover { gap: 10px; color: #0055aa; }

.contact-section { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.contact-info { padding: 40px; background: linear-gradient(135deg, #0055aa 0%, #0077cc 100%); border-radius: 20px; color: var(--white); }
.contact-info h3 { font-size: 28px; margin-bottom: 24px; }
.contact-item { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 24px; }
.contact-item .icon { width: 40px; height: 40px; background: rgba(255, 255, 255, 0.2); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }
.contact-item p { font-size: 16px; line-height: 1.6; opacity: 0.95; }
.contact-form { padding: 40px; background: var(--white); border-radius: 20px; box-shadow: var(--shadow); border: 1px solid var(--border-color); }

.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; color: var(--text-dark); margin-bottom: 8px; }
.form-group input, .form-group textarea { width: 100%; padding: 12px 16px; font-size: 15px; border: 1px solid var(--border-color); border-radius: 8px; transition: var(--transition); font-family: inherit; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(0, 100, 200, 0.1); }
.form-group textarea { min-height: 120px; resize: vertical; }

.footer { background: linear-gradient(180deg, #001a40 0%, #000d20 100%); color: var(--white); padding: 20px 50px 30px; position: relative; }
.footer::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(100, 150, 220, 0.5), transparent); }

.footer-inner { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 60px; margin-bottom: 10px; }
.footer-logo { font-size: 24px; font-weight: 700; margin-bottom: 16px; color: var(--white); }
.footer-logo span { color: #66b3ff; }
.footer h4 { font-size: 16px; font-weight: 600; margin-bottom: 20px; color: #66b3ff; }
.footer ul li { margin-bottom: 12px; }
.footer ul li a { color: rgba(255, 255, 255, 0.7); font-size: 14px; }
.footer ul li a:hover { color: #99ccff; }
.footer-bottom { text-align: center; padding-top: 30px; border-top: 1px solid rgba(255, 255, 255, 0.1); font-size: 14px; color: rgba(255, 255, 255, 0.5); }

.page-header { padding: 120px 0 50px; background: linear-gradient(135deg, #003366 0%, #0055aa 100%); color: var(--white); text-align: center; position: relative; overflow: hidden; }
.page-header::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: radial-gradient(circle at 50% 0%, rgba(100, 150, 220, 0.2) 0%, transparent 50%); }
.page-header .container { position: relative; z-index: 1; }
.page-header h1 { font-size: 56px; font-weight: 800; margin-bottom: 16px; color: var(--white); }
.page-header p { font-size: 20px; opacity: 0.8; }

.about-content { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.about-text h3 { font-size: 28px; font-weight: 600; margin-bottom: 16px; color: var(--text-dark); }
.about-text p { color: var(--text-light); font-size: 16px; line-height: 1.8; margin-bottom: 24px; }

.values-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 40px; }
.value-item { padding: 24px; background: var(--white); border-radius: 16px; box-shadow: var(--shadow); border: 1px solid var(--border-color); }
.value-item h4 { font-size: 18px; font-weight: 600; color: var(--primary-color); margin-bottom: 8px; }
.value-item p { color: var(--text-light); font-size: 14px; }

.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: stretch; }
.product-detail-image { background: linear-gradient(135deg, #f0f7ff 0%, #e6f0fa 100%); border-radius: 20px; min-height: 400px; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.product-detail-image img { max-width: 100%; max-height: 380px; }
.product-detail-content { background: #fff; border-radius: 20px; padding: 40px; box-shadow: 0 4px 20px rgba(0,0,0,0.08); }
.product-detail-content h2 { font-size: 36px; font-weight: 700; margin-bottom: 8px; }
.product-detail-content .category { display: inline-block; padding: 6px 16px; background: var(--primary-light); color: var(--primary-color); font-size: 14px; font-weight: 600; border-radius: 20px; margin-bottom: 16px; }
.product-detail-content > p { font-size: 18px; color: var(--text-light); margin-bottom: 32px; }
.detail-section { margin-bottom: 32px; }
.detail-section h3 { font-size: 20px; font-weight: 600; color: var(--text-dark); margin-bottom: 12px; }
.detail-section p { color: var(--text-light); line-height: 1.7; }

.advantage-list { list-style: none; }
.advantage-list li { position: relative; padding-left: 24px; margin-bottom: 12px; color: var(--text-light); }
.advantage-list li::before { content: '✓'; position: absolute; left: 0; color: var(--primary-color); font-weight: 700; }

.back-link { display: inline-flex; align-items: center; gap: 8px; color: var(--primary-color); font-weight: 600; margin-bottom: 24px; }
.back-link:hover { gap: 12px; }

@media (max-width: 992px) {
  .hero h1 { font-size: 56px; }
  .hero p { font-size: 20px; max-width: 100%; }
  .footer-inner { grid-template-columns: repeat(2, 1fr); }
  .contact-section, .about-content, .product-detail { grid-template-columns: 1fr; }
  .section-header h2 { font-size: 36px; }
  .hero-content { flex-direction: column !important; gap: 40px !important; }
  .hero-content img { width: 80% !important; min-width: 280px !important; }
  .hero-content > div { min-width: 100% !important; text-align: center !important; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .header-inner { height: 70px; }
  .nav { display: none; position: absolute; top: 70px; left: 0; right: 0; background: linear-gradient(135deg, #003366 0%, #0055aa 100%); flex-direction: column; padding: 20px; }
  .nav.active { display: flex; }
  .nav-item { width: 100%; padding: 16px 20px; color: rgba(255, 255, 255, 0.9); }
  .nav-dropdown { position: static; box-shadow: none; opacity: 1; visibility: visible; transform: none; background: rgba(255, 255, 255, 0.05); border: none; padding: 8px; }
  .nav-dropdown a { padding: 12px 16px; color: rgba(255, 255, 255, 0.7); }
  .lang-switch { margin-left: 0; margin-top: 16px; width: fit-content; }
  .mobile-toggle { display: flex; }
  .hero { min-height: 600px; padding-top: 100px; }
  .hero-content { flex-direction: column !important; gap: 24px !important; padding: 0 10px !important; }
  .hero-content img { width: 90% !important; max-width: 420px !important; min-width: 240px !important; }
  .hero-content > div { min-width: 100% !important; text-align: center !important; }
  .hero h1 { font-size: 36px; }
  .hero p { font-size: 15px; max-width: 100% !important; }
  .hero p:nth-of-type(2) { font-size: 14px; }
  .hero-buttons { flex-direction: column; gap: 12px; }
  .hero-buttons .btn { width: 100%; justify-content: center; padding: 14px 28px; font-size: 15px; }
  .section { padding: 80px 0; }
  .section-header h2 { font-size: 32px; }
  .products-grid, .team-grid, .news-grid { grid-template-columns: 1fr; }
  .product-card { flex-direction: column; }
  .card-image { width: 100%; min-height: 200px; }
  .product-content { padding: 20px; }
  .values-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 30px; }
  .footer { padding: 40px 20px 20px; }
  .footer-logo img { width: 150px; }
  .footer { padding: 40px 20px 20px; }
  .footer-brand { text-align: center; }
  .footer-logo-img { width: 150px; }
  .footer-links h4, .footer-contact h4 { text-align: center; }
  .footer-links ul { text-align: center; }
  .footer-contact .contact-item { justify-content: center; }
  .page-header { padding: 120px 0 80px; }
  .page-header h1 { font-size: 36px; }
  
  /* 移动端通用响应式补充 */
  .product-detail { grid-template-columns: 1fr; }
  .product-detail-image { min-height: 250px; }
  .product-detail-content { padding: 24px; }
  .product-detail-content h2 { font-size: 24px; }
  .product-advantages > div:first-child { grid-template-columns: 1fr; gap: 16px; }
  .product-advantages > div:first-child > div { padding: 16px; }
  .contact-section { grid-template-columns: 1fr; gap: 24px; }
  .contact-info, .contact-form { padding: 24px; }
  .about-content { grid-template-columns: 1fr; gap: 24px; }
  .factory-intro { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  
  /* 工厂页面图片 */
  .factory-main { flex-direction: column; gap: 24px; }
  .factory-pic, .factory-info { width: 100%; }
  .factory-tags { flex-wrap: wrap; }
  .facility-section > div { flex-direction: column; }
  .facility-section img { max-width: 100%; }
  
  /* 首页工厂展示卡片 */
  .product-card[style*="flex-direction: row"] { flex-direction: column !important; }
  .product-card[style*="flex-direction: row"] .card-image { width: 100%; }
  
  /* 产品优势三列改单列 */
  .product-advantages > div { grid-template-columns: 1fr !important; }
  
  /* 表格横向滚动 */
  .table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .table-scroll table { min-width: 500px; }
  
  /* 技术页面卡片 */
  .cryotech-cards { flex-direction: column; gap: 16px; }
  .cryotech-card { max-width: 100%; }
  
  /* Pipeline表格 */
  .pipeline-table-wrapper { overflow-x: auto; }
  .pipeline-table { min-width: 600px; }
  
  /* 团队成员卡片 */
  .team-member-card { display: flex; }
  .team-member-card img { flex-shrink: 0; }
  .team-member-card > div { flex: 1; }
  
  @media (max-width: 576px) {
    .team-member-card { flex-direction: column; align-items: center; text-align: center; }
    .team-member-card img { margin-bottom: 16px; width: 100px; height: 100px; min-width: 100px; }
    .team-member-card ul { text-align: left; }
    
    /* 移动端工厂展示卡片图片撑满 */
    .product-card[style*="flex-direction: row"] .card-image {
      width: 100% !important;
      min-height: 180px;
    }
    
    /* Pipeline表格滚动 */
    .pipeline-table-wrapper {
      overflow-x: auto !important;
      -webkit-overflow-scrolling: touch;
    }
  }
  
  /* 产品图片轮播 */
  .product-carousel { min-height: 250px; }
}

/* ========================================
   技术介绍页面 - 冷冻保存技术模块
   ======================================== */

/* 三种主流冷冻保存技术对比区域 */
.cryotech-section {
  padding: 60px 0;
  background: #fff;
}

.cryotech-section h1 {
  font-size: 32px;
  color: #1f2937;
  text-align: center;
  margin-bottom: 24px;
  font-weight: 700;
}

.cryotech-intro {
  /*max-width: 900px;*/
  margin:30px 0;
}

.cryotech-intro p {
  font-size: 16px;
  color: #4b5563;
  line-height: 1.8;
  margin-bottom: 16px;
}

.cryotech-intro p:last-child {
  margin-bottom: 0;
}

/* 三列卡片布局 */
.cryotech-cards {
  display: flex;
  gap: 24px;
  margin-bottom: 40px;
}

/* 卡片容器 */
.cryotech-card {
  flex: 1;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

/* 卡片标题栏 - 深砖红色 */
.cryotech-card-header {
  background: #1575d3;
  color: #fff;
  padding: 16px 20px;
  text-align: center;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cryotech-card-header h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 0;
}

/* 图表区域 */
.cryotech-card-chart {
  padding: 16px;
  background: #f8f9fa;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cryotech-card-chart img {
  max-height: 100%;
  width: auto;
  max-width: 100%;
  object-fit: contain;
}

/* 说明文字 - 浅米色 */
.cryotech-card-desc {
  background: #f5f0e6;
  padding: 16px 20px;
  height: 72px;
  display: flex;
  align-items: center;
}

.cryotech-card-desc p {
  font-size: 14px;
  color: #4b5563;
  line-height: 1.7;
  margin: 0;
}

/* 细胞示意图区域 */
.cryotech-card-diagram {
  padding: 16px;
  background: #fff;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cryotech-card-diagram img {
  max-height: 100%;
  width: auto;
  max-width: 100%;
  object-fit: contain;
}

/* 尺度标注 - 卡其色 */
.cryotech-card-scale {
  padding: 12px 20px;
  background: #fff;
  border-top: 1px solid #e5e7eb;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cryotech-card-scale span {
  display: inline-block;
  padding: 4px 16px;
  background: #e6d7b9;
  border-radius: 20px;
  font-size: 13px;
  color: #4b5563;
}

/* 参数行 - 浅米色 */
.cryotech-card-params {
  background: #f5f0e6;
  padding: 16px 20px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.cryotech-card-params p {
  font-size: 14px;
  color: #4b5563;
  margin: 0;
  line-height: 1.6;
}

/* 局限性栏 - 卡其色 */
.cryotech-card-limitation {
  background: #e6d7b9;
  padding: 16px 20px;
  height: 140px;
  display: flex;
  align-items: center;
}

.cryotech-card-limitation p {
  font-size: 13px;
  color: #78350f;
  margin: 0;
  line-height: 1.7;
}

.cryotech-card-limitation strong {
  font-weight: 700;
}

/* 冷冻保存技术对比表格 */
.tech-comparison {
  padding: 40px 0;
  background: #fff;
}

.tech-comparison h1 {
  font-size: 32px;
  color: #1f2937;
  text-align: center;
  margin-bottom: 24px;
  font-weight: 700;
}

.tech-comparison table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid #e5e7eb;
  margin: 30px 0;
}

/* 表格表头 - 浅米色 */
.tech-comparison thead th {
  background: #f5f0e6;
  padding: 14px 16px;
  border: 1px solid #e5e7eb;
  text-align: center;
  font-weight: 700;
  font-size: 15px;
}

.tech-comparison thead th:first-child {
  width: 140px;
}
/* 表格单元格 */
.tech-comparison tbody td {
  padding: 16px;
  border: 1px solid #e5e7eb;
  font-size: 13px;
  line-height: 1.8;
}

/* 技术名称列 - 深砖红色 */
.tech-comparison .tech-name {
  background: #72a7dc;
  color: #fff;
  font-weight: 600;
  font-size: 14px;
}

/* 原理/效果列 - 浅灰色 */
.tech-comparison .tech-content {
  background: #f3f4f6;
}

/* 响应式 - 卡片堆叠 */
@media (max-width: 992px) {
  .cryotech-cards {
    flex-direction: column;
  }
  .cryotech-card {
    max-width: 500px;
    margin: 0 auto;
  }
}

@media (max-width: 576px) {
  .cryotech-section {
    padding: 40px 0;
  }
  .cryotech-intro {
    padding: 0 16px;
  }
  .cryotech-card {
    max-width: 100%;
  }
}

/* ========================================
   Pipeline 研发管线模块
   ======================================== */

.pipeline-section {
  padding: 60px 0;
  background: #f0f7ff;
}

.pipeline-section h2 {
  font-size: 28px;
  color: #1f2937;
  margin-bottom: 24px;
  text-align: center;
}

.pipeline-table-wrapper {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  overflow-x: auto;
}

.pipeline-table-wrapper::-webkit-scrollbar {
  height: 8px;
}
.pipeline-table-wrapper::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 4px;
}
.pipeline-table-wrapper::-webkit-scrollbar-thumb {
  background: #888;
  border-radius: 4px;
}
.pipeline-table-wrapper::-webkit-scrollbar-thumb:hover {
  background: #555;
}

.pipeline-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

/* 表头 - 蓝色渐变 */
.pipeline-table thead {
  background: linear-gradient(135deg, #0055aa 0%, #0077cc 100%);
  color: #fff;
}

.pipeline-table thead th {
  padding: 16px 20px;
  font-size: 14px;
  font-weight: 600;
}

.pipeline-table thead th.pipeline-col-name {
  width: 26%;
}

/* 表格主体 */
.pipeline-table tbody td {
  padding: 16px 20px;
  border-bottom: 1px solid #e5e7eb;
}

/* Pipeline表格前三列字体大小 */
.pipeline-table tbody td:nth-child(1),
.pipeline-table tbody td:nth-child(2),
.pipeline-table tbody td:nth-child(3) {
  font-size: 15px;
}

.pipeline-table tbody tr {
  border-bottom: 1px solid #e5e7eb;
}

.pipeline-table tbody tr:nth-child(even) {
  background: #f9fafb;
}

.pipeline-table tbody tr:last-child {
  border-bottom: none;
}

/* 产品名称 */
.pipeline-table .pipeline-product-name {
  font-weight: 600;
  color: #1f2937;
}

/* 靶点/适应症 */
.pipeline-table .pipeline-target,
.pipeline-table .pipeline-indication {
  color: #4b5563;
}

/* 研发阶段标签 */
.pipeline-stage {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.pipeline-stage--clinical {
  background: #dbeafe;
  color: #1d4ed8;
}

.pipeline-stage--preclinical {
  background: #dcfce7;
  color: #15803d;
}

.pipeline-stage--discovery {
  background: #fef3c7;
  color: #b45309;
}

/* 预计时间 */
.pipeline-table .pipeline-time {
  color: #6b7280;
  font-size: 14px;
}

/* ========================================
   CryoPreserve 器官深度过冷保存平台
   ======================================== */

.cryopreserve-section {
  padding: 60px 0;
  background: #fff;
}

/* 英雄区域 */
.cryopreserve-hero {
  text-align: center;
  margin-bottom: 40px;
}

.cryopreserve-hero h1 {
  font-size: 28px;
  color: #1f2937;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.5;
}

.cryopreserve-subtitle {
  font-size: 16px;
  color: #4b5563;
  line-height: 1.8;
  max-width: 900px;
  margin: 0 auto;
}

/* 技术总述 */
.cryopreserve-intro {
  margin-bottom: 40px;
}

.cryopreserve-intro h2 {
  font-size: 22px;
  color: #1f2937;
  font-weight: 700;
  margin-bottom: 16px;
}

.cryopreserve-intro h3 {
  font-size: 18px;
  color: #1f2937;
  font-weight: 600;
  margin-bottom: 12px;
}

.cryopreserve-intro p {
  font-size: 15px;
  color: #4b5563;
  line-height: 1.8;
}

/* 技术优势 */
.cryopreserve-advantages {
  margin-bottom: 40px;
}

.cryopreserve-advantages h3 {
  font-size: 18px;
  color: #1f2937;
  font-weight: 600;
  margin-bottom: 16px;
}

.cryopreserve-advantages ol {
  padding-left: 24px;
}

.cryopreserve-advantages > ol > li {
  margin-bottom: 20px;
  padding-left: 8px;
}

.cryopreserve-advantages > ol > li > strong {
  display: block;
  font-size: 15px;
  color: #1f2937;
  font-weight: 600;
  margin-bottom: 8px;
}

.cryopreserve-advantages > ol > li > p {
  font-size: 14px;
  color: #4b5563;
  line-height: 1.8;
  margin: 0;
}

/* 核心产品 */
.cryopreserve-products {
  margin-bottom: 40px;
}

.cryopreserve-products h3 {
  font-size: 18px;
  color: #1f2937;
  font-weight: 600;
  margin-bottom: 16px;
}

.cryopreserve-products ol {
  padding-left: 24px;
}

.cryopreserve-products > ol > li {
  margin-bottom: 20px;
  padding-left: 8px;
}

.cryopreserve-products > ol > li > strong {
  display: block;
  font-size: 15px;
  color: #1f2937;
  font-weight: 600;
  margin-bottom: 8px;
}

.cryopreserve-products > ol > li > p {
  font-size: 14px;
  color: #4b5563;
  line-height: 1.8;
  margin: 0;
}

/* 三大核心产品图片 */
.cryopreserve-images {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 32px;
  align-items: center;
}

.cryopreserve-images img {
  width: 100%;
  max-width: 800px;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* 响应式 */
@media (max-width: 768px) {
  .cryopreserve-hero h1 {
    font-size: 22px;
  }
  .cryopreserve-subtitle {
    font-size: 14px;
    padding: 0 16px;
  }
  .cryopreserve-intro h2,
  .cryopreserve-advantages h3,
  .cryopreserve-products h3 {
    font-size: 16px;
  }
}